CAT

gene
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Summary

CAT (catalase, HGNC:1516) is a protein-coding gene on chromosome 11p13, encoding Catalase (P04040). Catalyzes the degradation of hydrogen peroxide (H(2)O(2)) generated by peroxisomal oxidases to water and oxygen, thereby protecting cells from the toxic effects of hydrogen peroxide.

This gene encodes catalase, a key antioxidant enzyme in the bodies defense against oxidative stress. Catalase is a heme enzyme that is present in the peroxisome of nearly all aerobic cells. Catalase converts the reactive oxygen species hydrogen peroxide to water and oxygen and thereby mitigates the toxic effects of hydrogen peroxide. Oxidative stress is hypothesized to play a role in the development of many chronic or late-onset diseases such as diabetes, asthma, Alzheimer’s disease, systemic lupus erythematosus, rheumatoid arthritis, and cancers. Polymorphisms in this gene have been associated with decreases in catalase activity but, to date, acatalasemia is the only disease known to be caused by this gene.

Source: NCBI Gene 847 — RefSeq curated summary.

At a glance

  • Gene–disease (curated): acatalasia (Strong, GenCC)
  • GWAS associations: 1
  • Clinical variants (ClinVar): 84 total — 3 pathogenic, 2 likely-pathogenic
  • Phenotypes (HPO): 18
  • Druggable target: yes — 2 molecules with ChEMBL bioactivity
  • MANE Select transcript: NM_001752

Identifiers

Gene identifiers

FieldValue
HGNC IDHGNC:1516
Approved symbolCAT
Namecatalase
Location11p13
Locus typegene with protein product
StatusApproved
Ensembl geneENSG00000121691
Ensembl biotypeprotein_coding
OMIM115500
Entrez847

Gene structure

Transcript identifiers

Ensembl transcripts: 20 — 15 protein_coding, 4 retained_intron, 1 nonsense_mediated_decay

ENST00000241052, ENST00000525707, ENST00000528104, ENST00000530343, ENST00000534710, ENST00000650153, ENST00000856101, ENST00000856102, ENST00000856103, ENST00000856104, ENST00000856105, ENST00000856106, ENST00000856107, ENST00000856108, ENST00000856109, ENST00000856110, ENST00000929641, ENST00000955131, ENST00000955132, ENST00000955133

RefSeq mRNA: 1 — MANE Select: NM_001752 NM_001752

CCDS: CCDS7891

Canonical transcript exons

ENST00000241052 — 13 exons

ExonStartEnd
ENSE000008244233444919234449363
ENSE000008244243445098834451098
ENSE000008244253445207734452207
ENSE000008244263445309034453194
ENSE000008244273445380134453926
ENSE000008244283445601134456202
ENSE000008244293445666534456817
ENSE000008244303446125134461389
ENSE000008244323446828834468395
ENSE000008244333447095834471041
ENSE000010042503447136834472060
ENSE000035897363446410534464235
ENSE000038394293443893434439079

Expression profiles

Bgee: expression breadth ubiquitous, 296 present calls, max score 99.67.

FANTOM5 (CAGE): breadth ubiquitous, TPM avg 73.9692 / max 3230.0332, expressed in 1673 samples.

FANTOM5 promoters (1 alternative TSS)

Promoter IDTPM avgSamples expressed
11372273.96921673

Top tissues by expression

300 total, by Bgee expression score (0-100, higher = more expressed):

TissueAnatomy IDExpression scoreQuality
trabecular bone tissueUBERON:000248399.67gold quality
nephron tubuleUBERON:000123199.35gold quality
renal medullaUBERON:000036299.30gold quality
jejunal mucosaUBERON:000039999.24gold quality
liverUBERON:000210799.12gold quality
bone marrowUBERON:000237198.96gold quality
right lobe of liverUBERON:000111498.91gold quality
ileal mucosaUBERON:000033198.89gold quality
bone elementUBERON:000147498.89gold quality
skin of hipUBERON:000155498.80gold quality
upper leg skinUBERON:000426298.78gold quality
duodenumUBERON:000211498.77gold quality
jejunumUBERON:000211598.77gold quality
kidney epitheliumUBERON:000481998.71gold quality
bronchial epithelial cellCL:000232898.50gold quality
adipose tissueUBERON:000101398.49gold quality
mammary ductUBERON:000176598.46gold quality
right adrenal gland cortexUBERON:003582798.40gold quality
adult mammalian kidneyUBERON:000008298.37gold quality
skeletal muscle tissue of biceps brachiiUBERON:000450298.36gold quality
kidneyUBERON:000211398.35gold quality
upper arm skinUBERON:000426398.31gold quality
adult organismUBERON:000702398.31gold quality
thoracic mammary glandUBERON:000520098.30gold quality
connective tissueUBERON:000238498.28gold quality
mammary glandUBERON:000191198.24gold quality
right adrenal glandUBERON:000123398.22gold quality
subcutaneous adipose tissueUBERON:000219098.22gold quality
pericardiumUBERON:000240798.18gold quality
lower lobe of lungUBERON:000894998.18gold quality

Single-cell (SCXA)

Detected in 12 experiment(s), a significant marker in 11.

ExperimentMarker?Max mean expression
E-HCAD-4yes172.27
E-CURD-112yes59.71
E-MTAB-10042yes41.26
E-MTAB-6701yes21.79
E-CURD-88yes20.76
E-CURD-46yes16.21
E-HCAD-1yes14.64
E-CURD-122yes12.85
E-MTAB-9388yes8.24
E-HCAD-9yes7.31
E-HCAD-10no2.10
E-ANND-3no0.00

Regulation

Is transcription factor: no

Upstream regulators (CollecTRI, top): AHR, AP1, APEX1, AR, ARNT, ATF1, BTG2, CEBPB, CEBPG, CREB1, DDIT3, DIDO1, DNMT1, E2F1, EGR1, EGR2, EGR3, ELF1, ERG, ESR1, ESR2, ETS1, ETS2, ETV1, ETV3, FOS, FOXM1, FOXO1, FOXO3, FOXP3, GATA1, GTF3A, HAND2, HNF1A, HNF4A, HOXA11, HOXA7, HR, IRF1, IRF2

miRNA regulators (miRDB)

46 targeting CAT, top 30 by miRDB confidence (max_score; target_count = how many genes the miRNA targets in total — lower means more specific):

miRNAMax scoreAvg scoremiRNA target_count
HSA-MIR-3646100.0073.565283
HSA-MIR-190A-3P100.0080.355520
HSA-MIR-3925-3P100.0069.951237
HSA-MIR-5011-5P100.0083.465820
HSA-MIR-30A-5P100.0076.313233
HSA-MIR-30B-5P100.0076.293248
HSA-MIR-30C-5P100.0076.293248
HSA-MIR-30D-5P100.0076.323233
HSA-MIR-30E-5P100.0076.323242
HSA-MIR-548C-3P99.9974.017587
HSA-MIR-3065-5P99.9771.563281
HSA-MIR-50799.9770.111915
HSA-MIR-1250-3P99.9670.044038
HSA-MIR-55799.9670.011640
HSA-MIR-314399.9371.963104
HSA-MIR-130599.9171.433443
HSA-MIR-627-3P99.9071.423316
HSA-MIR-153-5P99.8973.866317
HSA-MIR-5003-3P99.8569.292517
HSA-MIR-449599.8272.083080
HSA-MIR-205-5P99.8170.051557
HSA-MIR-202-5P99.7867.65991
HSA-MIR-182599.7268.111089
HSA-MIR-1252-3P99.5567.712862
HSA-MIR-190A-5P99.5471.45933
HSA-MIR-190B-5P99.5471.40925
HSA-MIR-7159-5P99.5372.122472
HSA-MIR-199A-5P99.5169.711107
HSA-MIR-199B-5P99.5169.741098
HSA-MIR-508-5P99.4164.251248

Literature-anchored findings (GeneRIF, showing 40)

  • expression of catalase either in the cytosol or mitochondrial compartments was able to abolish the loss of mitochondrial membrane potential or damage to mitochondria observed in HepG2 cells overexpressing CYP2E1 (PMID:11907164)
  • results suggest that IGF-1/PI-3 kinase inhibited C2-ceramide-induced apoptosis due to relieving oxidative damage, which resulted from the inhibition of catalase by activated caspase-3 (PMID:12032677)
  • catalase in livers enhances drug oxidation activities catalyzed by P450 in human liver microsomes. (PMID:12110367)
  • The results confirm the involvement of antioxidant enzymes, including catalase, in the pathogenesis of psoriasis. (PMID:12165738)
  • Abnormal expression of catalase in the eutopic and ectopic endometrium strongly suggests pathologic involvement of free radicals in endometriosis and adenomyosis (PMID:12372460)
  • Malignant lung tumors (squamous cell carcinoma and adenocarcinoma) had significantly decreased levels of this enzyme. (PMID:12447480)
  • the level of catalase may play a critical role in cell-induced resistance to the effects of anti-cancer drugs which up-regulate p53 (PMID:12468545)
  • cell signaling molecules regulate catalase to control cell mitogenesis (PMID:12487379)
  • activities of catalase (CAT), glutathione reductase (GR), glutathione peroxidase (GPx) and superoxide dismutase (SOD) were decreased during intense physical exercise (PMID:12516882)
  • conclude that sun exposure results in a disturbed catalase to superoxide dismutase ratio in the stratum corneum (PMID:12603857)
  • results suggest that high glucose flux through aldose reductase inhibits the expression of catalase, CuZn superoxide-dismutase and glutathione peroxidase (PMID:12606529)
  • data indicate that catalase plays a direct role in generating oxidants in response to UVB light (PMID:12730222)
  • Catalase activity in pulmonary diseases was suppressed by 38-45%. (PMID:12838770)
  • findings indicate that, in addition to stimulating catalase activity, c-Abl and Arg promote catalase degradation in the oxidative stress response (PMID:12950161)
  • effect of IGFBP-2 overexpression on the activity of catalas in two malignant cell lines (PMID:14710363)
  • High catalase activity in human alveolar macrophages limits the effectiveness of H2O2 to act as a mediator of inflammatory gene expression. (PMID:14962975)
  • findings support evidence of a new putative type 1 diabetes susceptibility locus for the catalase gene on chromosome 11p13 (PMID:15133753)
  • catalase (447)Tyr-Val-Asn-Val binds Grb2 upon phosphorylation in tumor cells when stimulated with serum or ligands for integrin receptors (PMID:15182856)
  • catalase and hepatocyte growth factor have roles in ceramide-induced apoptosis (PMID:15203188)
  • overexpression of human catalase in DF-1 cells endowed cells resistant to the oxidative stress by antimycin A treatment (PMID:15528999)
  • SHP2 binds CAT and acquires a hydrogen peroxide-resistant phosphatase activity via integrin-signaling. (PMID:15556604)
  • catalase activates the growth of HL60 cells through dismutation of H(2)O(2), leading to activation of the ERK1/2 pathway; H(2)O(2) is an important regulator of growth in HL60 cells (PMID:15733034)
  • Genetic variations in the promoter region of catalase gene influence the susceptibility to essential hypertension. (PMID:15735318)
  • The novel G–>A mutation in exon 9 changes the essential amino acid Arg 354 to Cys 354 and may be responsible for the decreased catalase activity causing diabetes mellitus. (PMID:15800961)
  • Adenovirus-mediated gene transfer of superoxide dismutase and catalase reduced oxidative stress, restenosis, collagen accumulation, and inflammation and improved endothelial function after angioplasty. (PMID:15870505)
  • Genetic polymorphisms of CAT and PPARy2 do not play a significant role in the development of SLE in a Korean population. (PMID:15934434)
  • genetic polymorphisms of CAT do not play a significant role in the susceptibility to RA in Koreans (PMID:15988600)
  • catalase activities in healthy persons (PMID:16026777)
  • the accumulation of reactive oxygen species due to catalase attenuation may be a critical aspect of the MAP kinase signaling changes that may lead to skin aging and photoaging in human skin in vivo (PMID:16098030)
  • The high-activity catalase CC genotype was associated with an overall 17% reduction in risk of breast cancer compared with having at least one variant T allele. (PMID:16192345)
  • catalase has a critical role in CSF-independent survival of human macrophages via regulation of the expression of BCL-2 and BCL-XL (PMID:16204228)
  • Cells were exposed to 250 microM hydrogen peroxide and and cell survival, mitochondria transfection with catalase function, were examined. (PMID:16387755)
  • No evidence for a major effect of C1167T or C(-262)T sinsgle nucleotide polymorphism on type 1 diabetes mellitus susceptibility in two large sample collections. (PMID:16453382)
  • Catalase activity may correlate with the concentration of hypoxanthine in the graft renal vein and other mediators of oxidative stress. (PMID:16504657)
  • protective role of the -262T allele of the CAT gene against the rapid development of diabetic nepheropathy. (PMID:16523188)
  • Catalase in human enzyme transfected mice rescues insulin-resistance-induced cardiac dysfunction related to ROS production and protein oxidation but probably does not improve insulin sensitivity. (PMID:16586065)
  • overexpression of Cu, Zn-SOD and/or catalase in smooth muscle cells attenuates the cell proliferation caused by oxLDL stimulation (PMID:16600249)
  • catalase overexpression has a protective role against Ultraviolet B irradiation by preventing DNA damage mediated by the late reactive oxygen species increase. (PMID:16644728)
  • The C/T genotype was significantly over-represented in the vitiligo patient group compared with the control cohort. (PMID:16729966)
  • A statistically significant higher malondialdehyde concentration in erythrocytes and blood plasma and a higher activity of SOD or CAT in erythrocytes was shown in patients with a brain tumour. (PMID:16773213)

Cross-species orthologs

8 orthologs

OrganismSymbolGene ID
danio_reriocatENSDARG00000104702
mus_musculusCatENSMUSG00000027187
rattus_norvegicusCatENSRNOG00000008364
drosophila_melanogasterCatFBGN0000261
drosophila_melanogasterCatBFBGN0032061
caenorhabditis_elegansWBGENE00000830
caenorhabditis_elegansWBGENE00000831
caenorhabditis_elegansWBGENE00013220

Protein

Protein identifiers

CatalaseP04040 (reviewed: P04040)

All UniProt accessions (3): A0A384P5Q0, A0A3B3ITJ0, P04040

UniProt curated annotations — full annotation on UniProt →

Function. Catalyzes the degradation of hydrogen peroxide (H(2)O(2)) generated by peroxisomal oxidases to water and oxygen, thereby protecting cells from the toxic effects of hydrogen peroxide. Promotes growth of cells including T-cells, B-cells, myeloid leukemia cells, melanoma cells, mastocytoma cells and normal and transformed fibroblast cells.

Subunit / interactions. Homotetramer. Interacts (via microbody targeting signal) with PEX5, monomeric form interacts with PEX5, leading to its translocation into peroxisomes.

Subcellular location. Peroxisome matrix.

Disease relevance. Acatalasemia (ACATLAS) [MIM:614097] A metabolic disorder characterized by a total or near total loss of catalase activity in red cells. It is often associated with ulcerating oral lesions. Acatalasemia is inherited as an autosomal recessive trait. The disease is caused by variants affecting the gene represented in this entry.

Similarity. Belongs to the catalase family.

RefSeq proteins (1): NP_001743* (*=MANE)

Domains & families (InterPro)

IDNameType
IPR002226Catalase_haem_BSBinding_site
IPR010582Catalase_immune_responsiveDomain
IPR011614Catalase_coreDomain
IPR018028CatalaseFamily
IPR020835Catalase_sfHomologous_superfamily
IPR024708Catalase_ASActive_site
IPR024711Catalase_clade1/3Family
IPR040333Catalase_3Family

Pfam: PF00199, PF06628

Enzyme classification (BRENDA):

  • EC 1.11.1.6 — catalase (BRENDA: 143 organisms, 100 substrates, 244 inhibitors, 97 Km, 45 kcat entries)

Substrate kinetics (BRENDA)

3 substrates with measured Km, best-characterized 3. Km ranges are aggregated across organisms/conditions.

SubstrateKm (mM)Measurements
H2O20.025–172292
METHANOL831
O-DIANISIDINE0.0481

Catalyzed reactions (Rhea), 1 shown:

  • 2 H2O2 = O2 + 2 H2O (RHEA:20309)

UniProt features (88 total): helix 21, strand 20, modified residue 14, binding site 9, sequence conflict 9, turn 7, mutagenesis site 3, active site 2, initiator methionine 1, chain 1, short sequence motif 1

Structure

Experimental structures (PDB)

17 structures.

PDBMethodResolution (Å)
1DGFX-RAY DIFFRACTION1.5
1DGGX-RAY DIFFRACTION1.8
9T0KELECTRON MICROSCOPY1.87
1DGHX-RAY DIFFRACTION2
1DGBX-RAY DIFFRACTION2.2
7P8WELECTRON MICROSCOPY2.2
8HIDX-RAY DIFFRACTION2.2
8EL9ELECTRON MICROSCOPY2.27
7VD9ELECTRON MICROSCOPY2.29
1F4JX-RAY DIFFRACTION2.4
8WZKELECTRON MICROSCOPY2.4
8SGVELECTRON MICROSCOPY2.58
8WZJELECTRON MICROSCOPY2.7
8WZMELECTRON MICROSCOPY2.7
1QQWX-RAY DIFFRACTION2.75
8PVDELECTRON MICROSCOPY3.4
8WZHELECTRON MICROSCOPY3.7

Predicted structure (AlphaFold)

ModelpLDDTFraction very-high
AF-P04040-F195.970.95

Functional residue map

Curated UniProt residues grouped by drug-discovery relevance — catalytic, ligand-binding, modification, and mutation-validated positions. Source: UniProtKB sequence features.

Catalytic / active sites (2): 75; 148

Ligand- & substrate-binding residues (9): 303; 305; 306; 358 (axial binding residue); 194; 201; 203; 213; 237

Post-translational modifications (14): 2, 9, 221, 233, 306, 306, 417, 422, 480, 480, 499, 511, 515, 517

Mutagenesis-validated functional residues (3):

PositionPhenotype
517–519does not affect localization to peroxisomes.
524–527abolished localization to peroxisomes.
526abolished localization to peroxisomes.

Function

Pathways and Gene Ontology

Reactome pathways

15 pathways

IDPathway
R-HSA-3299685Detoxification of Reactive Oxygen Species
R-HSA-6798695Neutrophil degranulation
R-HSA-9033241Peroxisomal protein import
R-HSA-9615017FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes
R-HSA-9841251Mitochondrial unfolded protein response (UPRmt)
R-HSA-168249Innate Immune System
R-HSA-168256Immune System
R-HSA-212436Generic Transcription Pathway
R-HSA-2262752Cellular responses to stress
R-HSA-73857RNA Polymerase II Transcription
R-HSA-74160Gene expression (Transcription)
R-HSA-8953897Cellular responses to stimuli
R-HSA-9609507Protein localization
R-HSA-9614085FOXO-mediated transcription
R-HSA-9711123Cellular response to chemical stress

MSigDB gene sets: 410 (showing top): GOBP_HEMOGLOBIN_METABOLIC_PROCESS, MODULE_93, GOBP_RESPONSE_TO_NITROGEN_COMPOUND, GOBP_RESPONSE_TO_ETHANOL, GOBP_EPITHELIUM_DEVELOPMENT, MULLIGHAN_NPM1_SIGNATURE_3_UP, HORIUCHI_WTAP_TARGETS_DN, REACTOME_INNATE_IMMUNE_SYSTEM, YAGI_AML_WITH_INV_16_TRANSLOCATION, GOBP_RESPONSE_TO_ESTRADIOL, GOCC_SECRETORY_GRANULE, GOBP_HYDROGEN_PEROXIDE_CATABOLIC_PROCESS, GRAESSMANN_APOPTOSIS_BY_DOXORUBICIN_DN, GRAESSMANN_RESPONSE_TO_MC_AND_DOXORUBICIN_DN, GOBP_OSTEOBLAST_DIFFERENTIATION

GO Biological Process (38): response to reactive oxygen species (GO:0000302), osteoblast differentiation (GO:0001649), ureteric bud development (GO:0001657), response to hypoxia (GO:0001666), triglyceride metabolic process (GO:0006641), cholesterol metabolic process (GO:0008203), aerobic respiration (GO:0009060), response to xenobiotic stimulus (GO:0009410), response to light intensity (GO:0009642), UV protection (GO:0009650), response to ozone (GO:0010193), response to lead ion (GO:0010288), response to activity (GO:0014823), response to inactivity (GO:0014854), hemoglobin metabolic process (GO:0020027), response to estradiol (GO:0032355), response to insulin (GO:0032868), response to vitamin A (GO:0033189), response to vitamin E (GO:0033197), response to L-ascorbic acid (GO:0033591), response to hydrogen peroxide (GO:0042542), hydrogen peroxide catabolic process (GO:0042744), negative regulation of apoptotic process (GO:0043066), response to ethanol (GO:0045471), response to cadmium ion (GO:0046686), positive regulation of cell division (GO:0051781), positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction (GO:0051897), response to hyperoxia (GO:0055093), cellular detoxification of hydrogen peroxide (GO:0061692), response to fatty acid (GO:0070542), cellular response to growth factor stimulus (GO:0071363), response to amitrole (GO:0072722), response to phenylpropanoid (GO:0080184), kidney development (GO:0001822), response to oxidative stress (GO:0006979), response to UV (GO:0009411), response to toxic substance (GO:0009636), cellular oxidant detoxification (GO:0098869)

GO Molecular Function (12): aminoacylase activity (GO:0004046), catalase activity (GO:0004096), antioxidant activity (GO:0016209), oxidoreductase activity, acting on peroxide as acceptor (GO:0016684), enzyme binding (GO:0019899), heme binding (GO:0020037), identical protein binding (GO:0042802), protein homodimerization activity (GO:0042803), metal ion binding (GO:0046872), NADP binding (GO:0050661), peroxidase activity (GO:0004601), oxidoreductase activity (GO:0016491)

GO Cellular Component (15): extracellular region (GO:0005576), cytoplasm (GO:0005737), mitochondrion (GO:0005739), peroxisome (GO:0005777), peroxisomal membrane (GO:0005778), peroxisomal matrix (GO:0005782), cytosol (GO:0005829), focal adhesion (GO:0005925), membrane (GO:0016020), protein-containing complex (GO:0032991), secretory granule lumen (GO:0034774), catalase complex (GO:0062151), extracellular exosome (GO:0070062), ficolin-1-rich granule lumen (GO:1904813), obsolete extracellular space (GO:0005615)

Reactome top-level categories

Rollup of top-10 pathways:

CategoryPathways
Cellular responses to stress2
Cellular response to chemical stress1
Innate Immune System1
Protein localization1
FOXO-mediated transcription1
Immune System1
RNA Polymerase II Transcription1
Cellular responses to stimuli1
Gene expression (Transcription)1
Generic Transcription Pathway1

GO top-level categories

Rollup of top GO terms by namespace:

CategoryTerms
cellular anatomical structure4
response to oxygen-containing compound3
response to vitamin3
response to stimulus2
response to lipid2
protein binding2
cytoplasm2
peroxisome2
response to oxidative stress1
ossification1
cell differentiation1
mesonephric tubule development1
response to stress1
response to decreased oxygen levels1
acylglycerol metabolic process1
sterol metabolic process1
secondary alcohol metabolic process1
cellular respiration1
response to chemical1
response to light stimulus1
response to UV1
response to reactive oxygen species1
response to metal ion1
protein metabolic process1
response to peptide hormone1
response to monosaccharide1
hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides1
peroxidase activity1
molecular_function1
cellular oxidant detoxification1
oxidoreductase activity1
tetrapyrrole binding1
identical protein binding1
protein dimerization activity1
cation binding1
adenyl nucleotide binding1
antioxidant activity1
oxidoreductase activity, acting on peroxide as acceptor1
catalytic activity1
intracellular anatomical structure1

Protein interactions and networks

STRING

3418 interactions, top by confidence (×1000):

Protein AProtein BPartner UniProtScore
CATGSRP00390537
CATGPX8Q8TED1498
CATGPX7Q96SL4496
CATAOX1Q06278457
CATAPEX1P27695450
CATALDH18A1P54886447
CATSOD1P00441425
CATGPX5O75715421
CATGPX6P59796421
CATGPX2P18283415
CATGPX3P22352413
CATXDHP47989393
CATMANBAO00462392
CATGPX4P36969390
CATCSO75390377

IntAct

72 interactions, top by confidence:

ABTypeScore
CFTRESYT2psi-mi:“MI:2364”(proximity)0.710
CFTRESYT2psi-mi:“MI:0914”(association)0.710
CATCATpsi-mi:“MI:0915”(physical association)0.590
CATTYSND1psi-mi:“MI:0403”(colocalization)0.550
CATPTPN11psi-mi:“MI:0407”(direct interaction)0.540
PTPN11CATpsi-mi:“MI:0915”(physical association)0.540
CATPTPN11psi-mi:“MI:0915”(physical association)0.540
APPCATpsi-mi:“MI:0407”(direct interaction)0.440
CATAPPpsi-mi:“MI:0407”(direct interaction)0.440
CATNUDT19psi-mi:“MI:0914”(association)0.420
LACC1CATpsi-mi:“MI:0403”(colocalization)0.380
LACC1CATpsi-mi:“MI:2364”(proximity)0.380
CATPCNApsi-mi:“MI:0915”(physical association)0.370
KEAP1CATpsi-mi:“MI:0915”(physical association)0.370
CATpsi-mi:“MI:0915”(physical association)0.370
Mis12CTNNB1psi-mi:“MI:0914”(association)0.350
CATJUPpsi-mi:“MI:0914”(association)0.350
NFKB1NFKB1psi-mi:“MI:0914”(association)0.350
METTL14HMGB1P1psi-mi:“MI:0914”(association)0.350
DAG1AGRNpsi-mi:“MI:0914”(association)0.350
LRRK2psi-mi:“MI:0914”(association)0.350
USP53ANXA2P2psi-mi:“MI:0914”(association)0.350
SH2D3CANXA2P2psi-mi:“MI:0914”(association)0.350
ITSN1AP2A2psi-mi:“MI:0914”(association)0.350
GSK3BPRSS37psi-mi:“MI:0914”(association)0.350
PHF21BKDM1Apsi-mi:“MI:0914”(association)0.350
Ppsi-mi:“MI:0914”(association)0.350

BioGRID (223): CAT (Affinity Capture-RNA), CAT (Affinity Capture-RNA), CAT (Affinity Capture-MS), CAT (Affinity Capture-MS), CAT (Co-fractionation), CAT (Co-fractionation), CAT (Co-fractionation), CAT (Co-fractionation), CAT (Co-fractionation), CAT (Co-fractionation), CAT (Co-fractionation), CAT (Co-fractionation), CAT (Co-fractionation), CAT (Co-fractionation), CAT (Co-fractionation)

ESM2 similar proteins: C5FTM9, D4AK44, O13289, O52762, O61235, O62839, O68146, O77229, O97492, P00432, P04040, P04762, P07820, P0A326, P0A327, P15202, P17336, P24168, P24270, P26901, P29422, P30263, P30265, P42321, P44390, P45737, P55304, P55306, P77872, P90682, P95631, Q27487, Q27710, Q2I6W4, Q43206, Q49XC1, Q59602, Q5RF10, Q64405, Q66V81

Diamond homologs: A0A0A2JW88, A6ZV70, A8C7R6, B8AME2, C5FTM9, D4AK44, D4D445, M1WA44, O13289, O24339, O48560, O52762, O61235, O62839, O68146, O77229, O93662, O97492, P00432, P04040, P04762, P06115, P07820, P0A323, P0A324, P0A325, P0A326, P0A327, P0C549, P12365, P15202, P17336, P18123, P24168, P24270, P26901, P29422, P29756, P30263, P30265

SIGNOR signaling

16 interactions.

AEffectBMechanism
ABL1“up-regulates activity”CATphosphorylation
ABL2“up-regulates activity”CATphosphorylation
BTG2“up-regulates quantity by expression”CAT“transcriptional regulation”
NFE2L2“up-regulates quantity by expression”CAT“transcriptional regulation”
PPARD“up-regulates quantity by expression”CAT“transcriptional regulation”
ABL1up-regulatesCATphosphorylation
ABL2up-regulatesCATphosphorylation
PRKCD“up-regulates activity”CATphosphorylation

Enriched among interaction partners

Reactome pathways and GO biological processes over-represented among this gene’s 76 IntAct physical interaction partners (hypergeometric vs the genome-wide background, BH-FDR, gene-set size 15–500, ranked by fold). A functional readout of the neighbourhood — distinct from this gene’s own memberships above, and biased toward well-studied / hub proteins, so read it as themes rather than proof.

Reactome pathways:

PathwayPartnersFoldFDR
Activation of STAT3 by cadherin engagement517.7×1e-03
SARS-CoV Infections67.2×7e-03

GO biological processes:

GO termPartnersFoldFDR
canonical Wnt signaling pathway512.6×9e-03

Disease & clinical

Clinical variants and AI predictions

ClinVar

84 variants total. Per-class counts are floors (≥ shown; pagination cap):

ClassificationCount (floor)
Pathogenic3
Likely pathogenic2
Uncertain significance29
Likely benign16
Benign11

Top pathogenic / likely-pathogenic (5)

Variant IDHGVSClassification
17599NM_001752.4(CAT):c.480+5G>APathogenic
29621NM_001752.4(CAT):c.358del (p.Ser120fs)Pathogenic
29622NM_001752.4(CAT):c.203_204dup (p.Ile69fs)Pathogenic
1033865NM_001752.4(CAT):c.1057-2A>GLikely pathogenic
4845759NM_001752.4(CAT):c.196C>T (p.Arg66Ter)Likely pathogenic

SpliceAI

2178 predictions. Top by Δscore:

VariantEffectΔscore
11:34439058:G:GTdonor_gain1.0000
11:34439077:CAG:Cdonor_loss1.0000
11:34439078:AG:Adonor_loss1.0000
11:34448477:G:GTdonor_gain1.0000
11:34448486:C:Gdonor_gain1.0000
11:34449179:T:Aacceptor_gain1.0000
11:34449181:T:TAacceptor_gain1.0000
11:34449187:T:Aacceptor_gain1.0000
11:34449187:TGTA:Tacceptor_loss1.0000
11:34449188:GTA:Gacceptor_loss1.0000
11:34449190:A:AGacceptor_gain1.0000
11:34449190:A:ATacceptor_loss1.0000
11:34449191:G:GTacceptor_gain1.0000
11:34449191:GA:Gacceptor_gain1.0000
11:34449191:GAA:Gacceptor_gain1.0000
11:34449191:GAAA:Gacceptor_gain1.0000
11:34449359:AGCAG:Adonor_gain1.0000
11:34449360:GCAG:Gdonor_gain1.0000
11:34449360:GCAGG:Gdonor_gain1.0000
11:34449361:CAG:Cdonor_gain1.0000
11:34449361:CAGG:Cdonor_loss1.0000
11:34449364:G:GGdonor_gain1.0000
11:34449364:GTAA:Gdonor_loss1.0000
11:34449365:T:Adonor_loss1.0000
11:34451095:GTTG:Gdonor_gain1.0000
11:34451097:TGG:Tdonor_loss1.0000
11:34451099:G:Cdonor_loss1.0000
11:34451099:G:GGdonor_gain1.0000
11:34451100:T:TCdonor_loss1.0000
11:34452071:TTGTA:Tacceptor_loss1.0000

AlphaMissense

3522 scored. Top likely-pathogenic:

VariantProtein changeam_pathogenicity
11:34452171:T:AN148K0.999
11:34452171:T:GN148K0.999
11:34461287:C:AR365S0.999
11:34449341:A:CR72S0.998
11:34449341:A:TR72S0.998
11:34449348:C:GH75D0.998
11:34452154:T:AW143R0.998
11:34452154:T:CW143R0.998
11:34452184:T:CF153L0.998
11:34452186:C:AF153L0.998
11:34452186:C:GF153L0.998
11:34453108:A:CS167R0.998
11:34453110:C:AS167R0.998
11:34453110:C:GS167R0.998
11:34456797:A:CS346R0.998
11:34456799:T:AS346R0.998
11:34456799:T:GS346R0.998
11:34461322:C:AN376K0.998
11:34461322:C:GN376K0.998
11:34449322:G:CR66P0.997
11:34452118:G:AG131R0.997
11:34452118:G:CG131R0.997
11:34452118:G:TG131W0.997
11:34452119:G:AG131E0.997
11:34452167:G:AG147E0.997
11:34452174:C:AN149K0.997
11:34452174:C:GN149K0.997
11:34453090:T:CF161L0.997
11:34453091:T:GF161C0.997
11:34453092:T:AF161L0.997

dbSNP variants (sampled 300 via entrez): RS1000102164 (11:34471758 A>G,T), RS1000148062 (11:34444358 G>T), RS1000162829 (11:34457096 A>G), RS1000189640 (11:34454111 C>T), RS1000307684 (11:34463809 A>G), RS1000343 (11:34452510 C>T), RS1000548419 (11:34462674 C>T), RS1000556400 (11:34439208 A>C,G,T), RS1000626183 (11:34440572 T>C,G), RS1000640473 (11:34448620 C>A), RS1000645155 (11:34462451 A>C,T), RS1000713286 (11:34445668 A>G), RS1000806868 (11:34445840 T>C), RS1000889933 (11:34457437 C>T), RS1000934954 (11:34455254 T>C)

Disease associations

OMIM: gene MIM:115500 | disease phenotypes: MIM:614097

GenCC curated gene-disease

DiseaseClassificationInheritance
acatalasiaStrongAutosomal recessive

ClinGen Gene-Disease Validity (1)

Expert-panel classifications — Definitive > Strong > Moderate > Limited > Disputed > Refuted.

DiseaseClassificationInheritance
acatalasiaModerateAR

Mondo (2): acatalasia (MONDO:0013571), intellectual disability (MONDO:0001071)

Orphanet (2): Acatalasemia (Orphanet:926), NON RARE IN EUROPE: Unexplained intellectual disability (Orphanet:319658)

HPO phenotypes

18 total (18 of 18 shown, HPO-id order):

HPOTerm
HP:0000007Autosomal recessive inheritance
HP:0000155Oral ulcer
HP:0000166Severe periodontitis
HP:0000225Gingival bleeding
HP:0000230Gingivitis
HP:0001045Vitiligo
HP:0001300Parkinsonism
HP:0001935Microcytic anemia
HP:0002634Arteriosclerosis
HP:0005978Type II diabetes mellitus
HP:0006357Premature loss of permanent teeth
HP:0012517Reduced circulating catalase activity
HP:0012531Pain
HP:0040113Old-aged sensorineural hearing impairment
HP:0100605Neoplasm of the larynx
HP:0100651Type I diabetes mellitus
HP:0100753Schizophrenia
HP:0100758Gangrene

GWAS associations

1 associations (top):

StudyTraitp-value
GCST006585_743Blood protein levels1.000000e-20

MeSH disease descriptors (2)

DescriptorNameTree numbers
D020642AcatalasiaC16.320.565.663.050; C18.452.648.663.050
D008607Intellectual DisabilityC10.597.606.360; C23.888.592.604.646; F01.700.687; F03.625.539

Drugs & pharmacology

Drug and pharmacology data

Is drug target: yes

ChEMBL targets (1): CHEMBL3627594 (SINGLE PROTEIN)

Molecules with ChEMBL bioactivity

2 molecules (phase ≥1), by development phase (incl. off-target/promiscuous compounds). Patent mentions across the top 20 by phase: 1,589 (via chembl_molecule»patent_compound — counts attach to the compound, not the gene–compound relationship, so off-target/promiscuous molecules can dominate).

MoleculeNamePhasePatents
CHEMBL1232461MOLIBRESIB21,538
CHEMBL4633785XERUBORBACTAM151

PharmGKB: 1 entry (VIP=true, CPIC=false)

PharmGKB clinical annotations

2 annotations.

VariantTypeLevelDrugsPhenotypes
rs1001179Other3ethanolAlcohol abuse
rs10836235Toxicity3anthracyclines and related substancesAcute lymphoblastic leukemia

PharmGKB variants

3 variants.

VariantGenesLevelScore#Clin annotsDrugs
rs1001179CAT32.751ethanol
rs10836235CAT31.751anthracyclines and related substances
rs7943316CAT0.000

GtoPdb / IUPHAR curated pharmacology

(IUPHAR/BPS Guide to Pharmacology — expert-curated)

Target class: enzyme — 1.-.-.- Oxidoreductases

ChEMBL bioactivities

4 potent at pChembl≥5 of 4 total, top 4 by pChembl (potency: 10 = 0.1 nM, 6 = 1 µM).

pChemblTypeValueUnitMolecule
7.24Kd57.05nMCHEMBL5653589
7.24ED5057.05nMCHEMBL5653589
5.96IC501100nMXERUBORBACTAM
5.00IC501e+04nMMOLIBRESIB

PubChem BioAssay actives

3 with measured affinity, of 15 total; 3 most potent distinct compounds. Largely complementary to BindingDB; screening values are coarse (µM, 4 dp), so sub-nM hits tie at the floor.

CompoundAssayTypeValueUnit
4-methyl-3-[(2-methyl-6-pyridin-3-ylpyrazolo[3,4-d]pyrimidin-4-yl)amino]-N-[3-(trifluoromethyl)phenyl]benzamide2148001: Binding affinity to human CAT incubated for 45 mins by Kinobead based pull down assaykd0.0570uM
(1aR,7bS)-5-fluoro-2-hydroxy-1a,7b-dihydro-1H-cyclopropa[c][1,2]benzoxaborinine-4-carboxylic acid1657188: Inhibition of mammalian cathepsin A (unknown origin) using MCA-RPPGFSAFK-Dnp as substrate preincubated for 10 mins followed by substrate addition measured after 30 minsic501.1000uM
2-[(4S)-6-(4-chlorophenyl)-8-methoxy-1-methyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepin-4-yl]-N-ethylacetamide2179029: Inhibition of CAT (unknown origin) incubated for 1 hr by colloidal coomassie staining based LC-MS/MS analysisic5010.0000uM

CTD chemical–gene interactions

584 total (human), top 30 by PubMed support.

ChemicalActions (top 5)PubMed papers
Hydrogen Peroxideincreases chemical synthesis, affects localization, increases transport, increases activity, increases phosphorylation (+18 more)62
Acetylcysteinedecreases reaction, decreases expression, affects activity, increases activity, increases abundance (+3 more)20
sodium arseniteincreases response to substance, increases expression, increases reaction, increases abundance, increases activity (+7 more)19
Paraquatdecreases response to substance, increases reaction, decreases activity, affects cotreatment, decreases reaction (+7 more)19
Ascorbic Acidincreases expression, increases degradation, decreases activity, decreases expression, decreases response to substance (+7 more)15
Reactive Oxygen Speciesaffects expression, decreases abundance, decreases reaction, increases activity, increases abundance (+5 more)15
Arsenic Trioxidedecreases reaction, increases reaction, increases abundance, increases expression, decreases response to substance (+4 more)14
Quercetinincreases expression, decreases activity, decreases reaction, increases activity, decreases expression (+2 more)14
Particulate Matterincreases secretion, increases expression, decreases expression, increases cleavage, decreases activity (+7 more)14
Resveratroldecreases activity, increases reaction, increases activity, affects cotreatment, increases expression (+1 more)13
bisphenol Aaffects expression, decreases activity, decreases expression, affects response to substance, decreases reaction (+2 more)12
chromium hexavalent iondecreases activity, decreases expression, increases activity, increases chemical synthesis, decreases response to substance (+3 more)11
Cisplatinincreases acetylation, increases reaction, increases activity, decreases activity, decreases reaction (+4 more)11
Cadmium Chlorideaffects activity, decreases activity, decreases expression, affects cotreatment, increases abundance (+2 more)11
Benzo(a)pyrenedecreases methylation, increases reaction, decreases activity, decreases reaction, increases activity (+3 more)10
Plant Extractsincreases reaction, increases activity, increases expression, affects activity, affects reaction (+5 more)10
Ethanolincreases expression, increases reaction, decreases activity, increases activity, decreases reaction (+3 more)9
Amitroledecreases activity, decreases reaction, increases response to substance, affects binding, increases activity (+2 more)9
Tobacco Smoke Pollutiondecreases expression, decreases reaction, increases expression, increases reaction, affects expression9
tert-Butylhydroperoxidedecreases response to substance, affects cotreatment, decreases reaction, decreases activity, affects response to substance (+3 more)9
Cadmiumincreases activity, increases reaction, decreases reaction, increases phosphorylation, affects cotreatment (+5 more)8
Glucoseincreases chemical synthesis, decreases reaction, increases reaction, affects cotreatment, decreases activity (+7 more)8
Vitamin Edecreases activity, increases abundance, affects cotreatment, affects expression, decreases reaction (+2 more)8
Arsenicincreases response to substance, decreases reaction, increases activity, affects cotreatment, increases expression (+6 more)7
Curcumindecreases reaction, decreases expression, increases activity, increases reaction, affects cotreatment (+2 more)7
Cyclosporinedecreases reaction, affects cotreatment, affects expression, decreases expression, decreases activity7
Vitamin K 3affects expression, affects cotreatment, decreases response to substance, decreases reaction, increases expression (+2 more)7
Acetaminophenaffects cotreatment, decreases expression, decreases activity, increases expression, decreases reaction (+2 more)6
Air Pollutantsdecreases expression, increases abundance, affects methylation, increases response to substance, affects response to substance (+3 more)6
Vehicle Emissionsdecreases reaction, increases expression, affects localization, decreases activity, decreases expression (+3 more)6

ChEMBL screening assays

12 unique, capped per target: 11 binding, 1 admet

Representative assays (with source publication via chembl_document):

Assay IDTypeDescriptionSource paper
CHEMBL3631099BindingInhibition of catalase (unknown origin)Identification of Substituted Naphthotriazolediones as Novel Tryptophan 2,3-Dioxygenase (TDO) Inhibitors through Structure-Based Virtual Screening. — J Med Chem
CHEMBL4617714ADMETInhibition of mammalian cathepsin A (unknown origin) using MCA-RPPGFSAFK-Dnp as substrate preincubated for 10 mins followed by substrate addition measured after 30 minsDiscovery of Cyclic Boronic Acid QPX7728, an Ultrabroad-Spectrum Inhibitor of Serine and Metallo-β-lactamases. — J Med Chem

Cellosaurus cell lines

4 cell lines: 4 cancer cell line

First 10 cell lines (id-ordered, not curated):

CellosaurusNameCategorySex
CVCL_B1M7Abcam HeLa CAT KO 1Cancer cell lineFemale
CVCL_B1M8Abcam HeLa CAT KO 2Cancer cell lineFemale
CVCL_SH03HAP1 CAT (-) 1Cancer cell lineMale
CVCL_SH04HAP1 CAT (-) 2Cancer cell lineMale

Clinical trials (associated diseases)

197 trials via MONDO — disease-level, not drug-specific.

TrialPhaseStatusTitle
NCT05657860PHASE4COMPLETEDGuanfacine Extended Release for the Reduction of Aggression and Self-injurious Behavior Associated With Prader-Willi Syndrome
NCT05744479PHASE4RECRUITINGMetformin for Antipsychotic-induced Weight Gain in Adults With Intellectual Disability
NCT06107829PHASE4WITHDRAWNValbenazine Treatment of Tardive Dyskinesia in Adults With Intellectual/Developmental Disabilities
NCT06997198PHASE4NOT_YET_RECRUITINGDeutetrabenazine Treatment for Tardive Dyskinesia in Intellectual/Developmental Disabilities
NCT02270736PHASE3COMPLETEDClinical Study to Investigate the Efficacy and Safety of NT 201 Compared to Placebo in the Treatment of Chronic Troublesome Drooling Associated With Neurological Disorders and/or Intellectual Disability
NCT02304302PHASE2COMPLETEDDown Syndrome Memantine Follow-up Study
NCT03862950PHASE2COMPLETEDA Trial of Metformin in Individuals With Fragile X Syndrome (Met)
NCT04529226PHASE2UNKNOWNStudy to Compare Clozapine vs Treatment as Usual in People With Intellectual Disability & Treatment-resistant Psychosis
NCT04821856PHASE2COMPLETEDEvaluation of the Effectiveness of Cannabidiol in Treating Severe Behavioural Problems in Children and Adolescents With Intellectual Disability
NCT05273320PHASE1COMPLETEDClinical Trial of Nabilone for Aggression in Adults With Intellectual and Developmental Disabilities
NCT05301361PHASE1ENROLLING_BY_INVITATIONSensitivity of the NIH Toolbox to Stimulant Treatment in Intellectual Disabilities
NCT06016764PHASE1COMPLETEDUse of MRI and cTBS for Catatonia in Autism
NCT06586827PHASE1COMPLETEDImpact of Competency-Based Training and Technical Assistance Employment Outcomes of Individuals With ID/DD
NCT07531940PHASE1NOT_YET_RECRUITINGEscalating Doses of Memantine in Down Syndrome (MEDS-123)
NCT03479476PHASE2/PHASE3COMPLETEDA Trial of Metformin in Individuals With Fragile X Syndrome
NCT02616796PHASE1/PHASE2COMPLETEDEffects of Social Gaze Training on Brain and Behavior in Fragile X Syndrome
NCT06860672EARLY_PHASE1RECRUITINGClinical Trial of the Dual Vector Base Editor for the Treatment of the CHD3-R1025W Mutation
NCT00597948Not specifiedCOMPLETEDHealthy Lifestyles for People With Intellectual Disabilities
NCT01087320Not specifiedRECRUITINGGenome Medical Sequencing for Gene Discovery
NCT01652963Not specifiedUNKNOWNPicture-based Computerised Assessment and Training of Cognitive Behaviour Therapy Skills
NCT01695395Not specifiedCOMPLETEDMental Health Care Provision for Adults With Intellectual Disability and a Mental Disorder
NCT01867554Not specifiedCOMPLETEDResearch and Characterization of New Genes Involved in Intellectual Disability
NCT01915381Not specifiedCOMPLETEDImproving Adherence Healthy Lifestyle With a Smartphone Application Based on Adults With Intellectual Disabilities
NCT01988623Not specifiedCOMPLETEDPivotal Response Treatment for Individuals With Intellectual Disabilities
NCT02099773Not specifiedCOMPLETEDSupport Staff-client Interactions With Augmentative and Alternative Communication
NCT02136849Not specifiedCOMPLETEDInter-regional Project of the Great Western Exploration Approach for Exome Molecular Causes Severe Intellectual Disability Isolated or Syndromic
NCT02225041Not specifiedCOMPLETEDSedation Strategy and Cognitive Outcome After Critical Illness in Early Childhood
NCT02414438Not specifiedCOMPLETEDEstablishing the Clinical Utility of First StepDx PLUS and NextStepDx PLUS Study
NCT02451761Not specifiedCOMPLETEDApparently Balanced Chromosomal Translocation/ Next-generation Sequencing/ Intellectual Disability
NCT02461420Not specifiedACTIVE_NOT_RECRUITINGMapping the Genotype, Phenotype, and Natural History of Phelan-McDermid Syndrome
NCT02461459Not specifiedACTIVE_NOT_RECRUITINGAutism Spectrum Disorder (ASD) and Intellectual Disability (ID) Determinants in Tuberous Sclerosis Complex (TSC)
NCT02486081Not specifiedCOMPLETEDDevelopment and Application-Smart Football for Movement Evaluation and Training in the Special Education Population
NCT02504502Not specifiedCOMPLETEDEnhancing Genomic Laboratory Reports to Enhance Communication and Empower Patients
NCT02513277Not specifiedCOMPLETEDDiabetes Screening & Prevention for People With Learning (Intellectual) Disabilities:STOP Diabetes Study
NCT02561754Not specifiedCOMPLETEDWeight Management for Adolescents With IDD
NCT02591446Not specifiedCOMPLETEDTranscranial Magnetic Stimulation Studies in Autism Spectrum Disorders
NCT02714868Not specifiedCOMPLETEDEvaluation of Project TEAM (Teens Making Environmental and Activity Modifications)
NCT02721394Not specifiedUNKNOWNFCT With Young Children With ID in the UK: A Feasibility Project V.1
NCT02746614Not specifiedCOMPLETEDPsychomotor Therapy Effects in Adaptive Behavior and Motor Proficiency in Intellectual Disability
NCT02836405Not specifiedCOMPLETEDTMS for the Investigation of Brain Plasticity in Autism Spectrum Disorders
  • Associated diseases: acatalasia
  • Disease cohort memberships (association, not causation — diseases whose associated-gene cohort lists this gene; a subset are also under Associated diseases): acatalasia