CKM
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Summary
CKM (creatine kinase, M-type, HGNC:1994) is a protein-coding gene on chromosome 19q13.32, encoding Creatine kinase M-type (P06732). Reversibly catalyzes the transfer of phosphate between ATP and various phosphogens (e.g. creatine phosphate).
The protein encoded by this gene is a cytoplasmic enzyme involved in energy homeostasis and is an important serum marker for myocardial infarction. The encoded protein reversibly catalyzes the transfer of phosphate between ATP and various phosphogens such as creatine phosphate. It acts as a homodimer in striated muscle as well as in other tissues, and as a heterodimer with a similar brain isozyme in heart. The encoded protein is a member of the ATP:guanido phosphotransferase protein family.
Source: NCBI Gene 1158 — RefSeq curated summary.
At a glance
- GWAS associations: 8
- Clinical variants (ClinVar): 76 total
- Druggable target: yes
- MANE Select transcript:
NM_001824
Identifiers
Gene identifiers
| Field | Value |
|---|---|
| HGNC ID | HGNC:1994 |
| Approved symbol | CKM |
| Name | creatine kinase, M-type |
| Location | 19q13.32 |
| Locus type | gene with protein product |
| Status | Approved |
| Ensembl gene | ENSG00000104879 |
| Ensembl biotype | protein_coding |
| OMIM | 123310 |
| Entrez | 1158 |
Gene structure
Transcript identifiers
Ensembl transcripts: 18 — 18 protein_coding
ENST00000221476, ENST00000859489, ENST00000859490, ENST00000859491, ENST00000859492, ENST00000859493, ENST00000969553, ENST00000969554, ENST00000969555, ENST00000969556, ENST00000969557, ENST00000969558, ENST00000969559, ENST00000969560, ENST00000969561, ENST00000969562, ENST00000969563, ENST00000969564
RefSeq mRNA: 1 — MANE Select: NM_001824
NM_001824
CCDS: CCDS12659
Canonical transcript exons
ENST00000221476 — 8 exons
| Exon | Start | End |
|---|---|---|
| ENSE00000712858 | 45307461 | 45307650 |
| ENSE00000712860 | 45308409 | 45308532 |
| ENSE00000712863 | 45311749 | 45311920 |
| ENSE00000712865 | 45315465 | 45315597 |
| ENSE00001158571 | 45306413 | 45306928 |
| ENSE00001335081 | 45322821 | 45322875 |
| ENSE00002314738 | 45319521 | 45319731 |
| ENSE00002434331 | 45317825 | 45317979 |
Expression profiles
Bgee: expression breadth ubiquitous, 192 present calls, max score 100.00.
FANTOM5 (CAGE): breadth broad, TPM avg 144.6250 / max 36919.9299, expressed in 262 samples.
FANTOM5 promoters (17 alternative TSS)
| Promoter ID | TPM avg | Samples expressed |
|---|---|---|
| 181491 | 140.1864 | 248 |
| 181489 | 0.9609 | 42 |
| 181486 | 0.8487 | 48 |
| 181488 | 0.4947 | 49 |
| 181461 | 0.4378 | 39 |
| 181483 | 0.3539 | 33 |
| 181459 | 0.3335 | 33 |
| 181458 | 0.2207 | 36 |
| 181460 | 0.1436 | 26 |
| 181485 | 0.1417 | 22 |
Top tissues by expression
296 total, by Bgee expression score (0-100, higher = more expressed):
| Tissue | Anatomy ID | Expression score | Quality |
|---|---|---|---|
| diaphragm | UBERON:0001103 | 100.00 | gold quality |
| skeletal muscle tissue of rectus abdominis | UBERON:0004511 | 100.00 | gold quality |
| biceps brachii | UBERON:0001507 | 99.99 | gold quality |
| triceps brachii | UBERON:0001509 | 99.99 | gold quality |
| skeletal muscle tissue of biceps brachii | UBERON:0004502 | 99.99 | gold quality |
| gastrocnemius | UBERON:0001388 | 99.98 | gold quality |
| deltoid | UBERON:0001476 | 99.97 | gold quality |
| gluteal muscle | UBERON:0002000 | 99.96 | gold quality |
| heart right ventricle | UBERON:0002080 | 99.96 | gold quality |
| hindlimb stylopod muscle | UBERON:0004252 | 99.96 | gold quality |
| left ventricle myocardium | UBERON:0006566 | 99.95 | gold quality |
| body of tongue | UBERON:0011876 | 99.94 | gold quality |
| tibialis anterior | UBERON:0001385 | 99.93 | gold quality |
| apex of heart | UBERON:0002098 | 99.92 | gold quality |
| cardiac atrium | UBERON:0002081 | 99.89 | gold quality |
| right atrium auricular region | UBERON:0006631 | 99.89 | gold quality |
| myocardium | UBERON:0002349 | 99.88 | gold quality |
| skeletal muscle tissue | UBERON:0001134 | 99.87 | gold quality |
| cardiac muscle of right atrium | UBERON:0003379 | 99.87 | gold quality |
| cardiac ventricle | UBERON:0002082 | 99.56 | gold quality |
| heart left ventricle | UBERON:0002084 | 99.55 | gold quality |
| vena cava | UBERON:0004087 | 98.96 | gold quality |
| vastus lateralis | UBERON:0001379 | 98.23 | gold quality |
| muscle organ | UBERON:0001630 | 98.16 | gold quality |
| skeletal muscle organ | UBERON:0014892 | 98.16 | gold quality |
| muscle of leg | UBERON:0001383 | 97.96 | gold quality |
| quadriceps femoris | UBERON:0001377 | 97.59 | gold quality |
| heart | UBERON:0000948 | 96.84 | gold quality |
| muscle tissue | UBERON:0002385 | 96.64 | gold quality |
| pharyngeal mucosa | UBERON:0000355 | 95.15 | gold quality |
Single-cell (SCXA)
Detected in 1 experiment(s), a significant marker in 1.
| Experiment | Marker? | Max mean expression |
|---|---|---|
| E-ANND-3 | no | 0.00 |
Regulation
Is transcription factor: no
Upstream regulators (CollecTRI, top): ASCL1, ASCL2, E2F1, ELF4, FOXC1, HES1, ID1, ID3, JUN, JUNB, KLF3, MAZ, MEF2A, MEF2C, MSC, MYF5, MYF6, MYOD1, MYOG, NFATC1, NFIX, NFKB1, NR3C2, NR4A1, NVL, PAX1, PAX7, PRRX1, RCOR2, SP1, SRF, TCF21, TCF3, TP53, TWIST2, WT1, YY1
miRNA regulators (miRDB)
31 targeting CKM, top 30 by miRDB confidence (max_score; target_count = how many genes the miRNA targets in total — lower means more specific):
| miRNA | Max score | Avg score | miRNA target_count |
|---|---|---|---|
| HSA-MIR-4510 | 100.00 | 66.60 | 2050 |
| HSA-MIR-6127 | 100.00 | 66.76 | 2188 |
| HSA-MIR-6129 | 100.00 | 66.46 | 2080 |
| HSA-MIR-6130 | 100.00 | 66.69 | 2012 |
| HSA-MIR-6133 | 100.00 | 66.48 | 2064 |
| HSA-MIR-4530 | 99.69 | 66.47 | 1509 |
| HSA-MIR-136-5P | 99.50 | 67.26 | 1153 |
| HSA-MIR-4441 | 99.49 | 66.56 | 3216 |
| HSA-MIR-6770-5P | 98.97 | 66.76 | 1853 |
| HSA-MIR-608 | 98.93 | 67.83 | 2013 |
| HSA-MIR-4755-3P | 98.77 | 65.59 | 1915 |
| HSA-MIR-330-5P | 98.73 | 67.63 | 1788 |
| HSA-MIR-548S | 98.50 | 67.17 | 1213 |
| HSA-MIR-92A-1-5P | 98.28 | 64.51 | 631 |
| HSA-MIR-326 | 98.25 | 66.44 | 1565 |
| HSA-MIR-6819-5P | 97.96 | 66.59 | 1071 |
| HSA-MIR-3921 | 97.81 | 67.45 | 1431 |
| HSA-MIR-204-3P | 97.80 | 66.84 | 1656 |
| HSA-MIR-6737-5P | 97.75 | 66.54 | 1044 |
| HSA-MIR-4646-5P | 97.70 | 66.84 | 1692 |
| HSA-MIR-4314 | 97.50 | 67.30 | 1369 |
| HSA-MIR-3187-3P | 97.38 | 65.80 | 904 |
| HSA-MIR-4653-5P | 97.22 | 67.72 | 1429 |
| HSA-MIR-505-5P | 97.01 | 65.54 | 778 |
| HSA-MIR-3192-5P | 96.98 | 65.76 | 1926 |
| HSA-MIR-514A-5P | 96.94 | 65.49 | 801 |
| HSA-MIR-4701-5P | 96.45 | 68.41 | 1121 |
| HSA-MIR-588 | 96.45 | 68.36 | 1127 |
| HSA-MIR-4435 | 95.90 | 65.47 | 1201 |
| HSA-MIR-6874-5P | 95.73 | 64.94 | 545 |
Literature-anchored findings (GeneRIF, showing 40)
- A short version of the muscle creatine kinase promoter(MCK1350) allows for sustained dystrophin expression in skeletal muscle of newborn mdx mice. (PMID:11922612)
- Results identify muscle-type creatine kinase as a binding partner of a central portion of myomesin and the closely related M-protein. (PMID:12972258)
- The roles of Ile-69 and Val-325 are discussed in the delivery of both substrate specificity and catalysis of human muscle creatine kinase isozyme. (PMID:15504039)
- In top-level professional cyclists capable of completing a classic 3-wk tour race, the frequency distribution of the D allele and the DD genotype seems to be higher than in other endurance athletes such as elite runners. (PMID:16037885)
- Creatinine kinase-MB levels are elevated after adverse outcomes following percutaneous coronary interventions (PMID:16087811)
- Elevated levels of creatinine kinase-MB after percutaneous coronary intervention are not a predictor of adverse outcomes (PMID:16092153)
- first monomeric intermediate captured during refolding of muscle-type creatine kinase; authors propose that aggregation is caused by interaction between such monomeric intermediates. (PMID:16373479)
- CK-MM autoantibodies can modulate the rate of CK clearance from the circulation in myositis (PMID:16810680)
- The results show conclusively that, Cys283 is not responsible for the pKa of 5.4 observed in the WT V/K(creatine) pH profile. (PMID:16981706)
- generation of O-CK is a negative regulation of R-CK and O-CK might play essential roles in the molecular turnover of MM-CK (PMID:17303563)
- CK-MM AA genotype and percent body fat may be part of the constellation of mechanisms that explain susceptibility to exertional rhabdomyolysis. (PMID:17478608)
- Indicate a positive association of the ACE ID genotype with creatine kinase response to strenuous exercise. Genotype may determine risk for developing muscle damage. (PMID:17885020)
- Muscle type CK elevation in hypertrabeculation/noncompaction suggests neuromuscular disorder and prompts neurological investigations. (PMID:18055044)
- Cardiac involvement of major thalassemia and evaluation of total serum CK-mB isoenzyme in these patients is reported. (PMID:18810980)
- We suggest that the occurrence of familial hyperCKemia may have triggered the early onset of symptoms in our patient. (PMID:18833644)
- CK-MB values > or =5 times the reference after elective cardiac surgery are associated with reduced long-term event-free survival (PMID:19039220)
- Plasma CPK was increased at 10 km of the marathon race and up to threefold at the end of the race. This was further increased on day 1, only returning to pre-race level on day 6. Plasma CPK was increased 35-fold at the end of the 200-km race (PMID:19125286)
- Report the effects of prior calcium channel blocker therapy on creatine kinase-MB (myocardial form) levels after percutaneous coronary interventions. (PMID:19337554)
- The Dimension Vista cTnI, CK-MB, MYO, NTproBNP, and hsCRP methods demonstrate acceptable performance characteristics for use as an aid in the diagnosis and risk assessment of patients presenting with suspected acute coronary syndromes. (PMID:19523464)
- Elevated CK-MB values after elective angioplasty predicts reduced long-term event-free survival. (PMID:19670037)
- The researchers found no association between the CK response after exercise and the presence of the CK-MM NcoI polymorphism. (PMID:20157874)
- Common variants of MSTN and CKM genes don’t play a role in attaining high level endurance performance in Caucasians. (PMID:20536908)
- two residues close to the dimer interface of MMCK were crucial for species-specific thermal stability (PMID:20558199)
- A single troponin I value at 3 days from symptom onset is a better predictor of infarct size compared to peak values and CK-MB. (PMID:20588136)
- Elevated creatine kinase-MB is associated with elevated white blood cell count and atherosclerotic plaque in patients with elective stent implantation. (PMID:20591515)
- percutaneous coronary intervention induces temporal changes of P-selectin, Mg, and CK-MB, which may be involved in restenosis and ischemia-reperfusion injury, but not PAI-1 (PMID:20669347)
- Muscle-type creatine kinase physically interacts with the slow skeletal muscle-type MyBPC1 (myosin-binding protein C1). (PMID:21426302)
- Cardiac troponin T and creatine kinase have roles in infarct size and left ventricular function after acute myocardial infarction (PMID:21448949)
- The overall efficacy of IMA [ischemia modified albumin]in differentiating AMI[Acute Myocardial Infarction] from Non-AMI cases appears to be comparable to that of CK-MB and cTnI (PMID:21456469)
- Results indicate that these polymorphisms can indirectly influence performance, contribute to higher susceptibility to exercise-induced inflammation or protection against it, and perhaps affect future risks of CVD in athletes. (PMID:21516340)
- Creatine kinase MM TaqI and methylenetetrahydrofolate reductase C677T and A1298C gene polymorphisms influence exercise-induced C-reactive protein levels. (PMID:21706313)
- strong down-regulation of MCK activity contributes to F-actin instability and induces post-translational modification of alphaB-crystallin and desmin (PMID:21768101)
- This study explored the relationship of cardiac function examined by echocardiography and serum creatine kinase (CK) and CK-MB levels with myocardial ischemia-reperfusion injury in a cohort of Chinese acute myocardial infarction patients. (PMID:21873942)
- The results suggested that the intra- and inter-subunit domain interactions modified the behavior of kinetic refolding. (PMID:21931810)
- High levels of blood creatine-kinase MB are associated with embolism source during acute phase of ischemic stroke. (PMID:22592287)
- The current enzymatic definition of procedural myocardial infarct (MI) (CK-myocardial band more than 3 times the upper limit of normal) used in clinical trials is less strongly associated with death than that of spontaneous MI. (PMID:23122801)
- The crystal structure of CK indicates that the E79 and K138 interaction plays key roles in sustaining the recognition between N-terminal and C-terminal domains of muscle creatine kinase. (PMID:23274523)
- 3D mapping of the CK reaction rates and metabolic fluxes can be achieved in the skeletal muscle in vivo at relatively high spatial resolution and with acquisition times well tolerated by patients. (PMID:23436474)
- Estimation of CK and its CK isoenzyme fractions can aid in quick and accurate diagnosis of tubal ectopic pregnancy. (PMID:23876027)
- Cardiac enzyme elevations post-cardiac bypass or post-percutaneous coronary intervention are associated with an adverse long-term mortality; the causes of which are multifactorial. (PMID:23993326)
Cross-species orthologs
13 orthologs
| Organism | Symbol | Gene ID |
|---|---|---|
| danio_rerio | ckma | ENSDARG00000035327 |
| danio_rerio | ckmb | ENSDARG00000040565 |
| mus_musculus | Ckm | ENSMUSG00000030399 |
| rattus_norvegicus | Ckm | ENSRNOG00000016837 |
| drosophila_melanogaster | Argk1 | FBGN0000116 |
| drosophila_melanogaster | Argk2 | FBGN0035957 |
| drosophila_melanogaster | CG4546 | FBGN0038373 |
| drosophila_melanogaster | CG30274 | FBGN0050274 |
| caenorhabditis_elegans | WBGENE00009706 | |
| caenorhabditis_elegans | ZC434.8 | WBGENE00013894 |
| caenorhabditis_elegans | F32B5.1 | WBGENE00017975 |
| caenorhabditis_elegans | WBGENE00018519 | |
| caenorhabditis_elegans | W10C8.5 | WBGENE00021128 |
Paralogs (4): CKMT2 (ENSG00000131730), CKB (ENSG00000166165), CKMT1A (ENSG00000223572), CKMT1B (ENSG00000237289)
Protein
Protein identifiers
Creatine kinase M-type — P06732 (reviewed: P06732)
Alternative names: Creatine kinase M chain, Creatine phosphokinase M-type, M-CK
All UniProt accessions (1): P06732
UniProt curated annotations — full annotation on UniProt →
Function. Reversibly catalyzes the transfer of phosphate between ATP and various phosphogens (e.g. creatine phosphate). Creatine kinase isoenzymes play a central role in energy transduction in tissues with large, fluctuating energy demands, such as skeletal muscle, heart, brain and spermatozoa.
Subunit / interactions. Dimer of identical or non-identical chains, which can be either B (brain type) or M (muscle type). With MM being the major form in skeletal muscle and myocardium, MB existing in myocardium, and BB existing in many tissues, especially brain.
Subcellular location. Cytoplasm.
Similarity. Belongs to the ATP:guanido phosphotransferase family.
RefSeq proteins (1): NP_001815* (*=MANE)
Domains & families (InterPro)
| ID | Name | Type |
|---|---|---|
| IPR000749 | ATP-guanido_PTrfase | Family |
| IPR014746 | Gln_synth/guanido_kin_cat_dom | Homologous_superfamily |
| IPR022413 | ATP-guanido_PTrfase_N | Domain |
| IPR022414 | ATP-guanido_PTrfase_cat | Domain |
| IPR022415 | ATP-guanido_PTrfase_AS | Active_site |
| IPR036802 | ATP-guanido_PTrfase_N_sf | Homologous_superfamily |
Pfam: PF00217, PF02807
Enzyme classification (BRENDA):
- EC 2.7.3.2 — creatine kinase (BRENDA: 45 organisms, 67 substrates, 117 inhibitors, 317 Km, 122 kcat entries)
Substrate kinetics (BRENDA)
10 substrates with measured Km, best-characterized 10. Km ranges are aggregated across organisms/conditions.
| Substrate | Km (mM) | Measurements |
|---|---|---|
| ATP | 0.042–20 | 133 |
| CREATINE | 0.35–167 | 102 |
| PHOSPHOCREATINE | 0.51–8.97 | 23 |
| ADP | 0.015–1.2 | 22 |
| CREATINE PHOSPHATE | 0.23–50 | 11 |
| ALPHA-(RP)-BORANO SUBSTITUTED ADP | 1 | 1 |
| ALPHA-(SP)-BORANO SUBSTITUTED ADP | 0.008 | 1 |
| GLYCOCYAMINE | 6.7 | 1 |
| CYCLOCREATINE | — | 0 |
| N-ETHYLGLYCOCYAMINE | — | 0 |
Catalyzed reactions (Rhea), 1 shown:
- creatine + ATP = N-phosphocreatine + ADP + H(+) (RHEA:17157)
UniProt features (58 total): helix 13, strand 9, modified residue 8, turn 8, sequence conflict 7, binding site 6, sequence variant 4, domain 2, chain 1
Structure
Experimental structures (PDB)
2 structures.
| PDB | Method | Resolution (Å) |
|---|---|---|
| 7BF2 | X-RAY DIFFRACTION | 1.43 |
| 1I0E | X-RAY DIFFRACTION | 3.5 |
Predicted structure (AlphaFold)
| Model | pLDDT | Fraction very-high |
|---|---|---|
| AF-P06732-F1 | 94.92 | 0.87 |
Functional residue map
Curated UniProt residues grouped by drug-discovery relevance — catalytic, ligand-binding, modification, and mutation-validated positions. Source: UniProtKB sequence features.
Ligand- & substrate-binding residues (6): 128–132; 191; 236; 292; 320–325; 335
Post-translational modifications (8): 166, 178, 180, 199, 313, 322, 372, 164
Function
Pathways and Gene Ontology
Reactome pathways
3 pathways
| ID | Pathway |
|---|---|
| R-HSA-71288 | Creatine metabolism |
| R-HSA-1430728 | Metabolism |
| R-HSA-71291 | Metabolism of amino acids and derivatives |
MSigDB gene sets: 107 (showing top):
RNGTGGGC_UNKNOWN, ROVERSI_GLIOMA_COPY_NUMBER_UP, HUMMERICH_BENIGN_SKIN_TUMOR_DN, HUMMERICH_MALIGNANT_SKIN_TUMOR_DN, GOBP_ORGANOPHOSPHATE_METABOLIC_PROCESS, MEF2_02, CAGCTG_AP4_Q5, GOBP_ORGANOPHOSPHATE_BIOSYNTHETIC_PROCESS, SRF_Q5_01, MARTINEZ_RB1_TARGETS_UP, SRF_C, MYOD_01, TGCTGAY_UNKNOWN, MYOD_Q6, MODULE_440
GO Biological Process (1): phosphocreatine biosynthetic process (GO:0046314)
GO Molecular Function (8): creatine kinase activity (GO:0004111), ATP binding (GO:0005524), nucleotide binding (GO:0000166), catalytic activity (GO:0003824), protein binding (GO:0005515), kinase activity (GO:0016301), transferase activity (GO:0016740), transferase activity, transferring phosphorus-containing groups (GO:0016772)
GO Cellular Component (3): obsolete extracellular space (GO:0005615), cytosol (GO:0005829), cytoplasm (GO:0005737)
Reactome top-level categories
Rollup of top-2 pathways:
| Category | Pathways |
|---|---|
| Metabolism of amino acids and derivatives | 1 |
| Metabolism | 1 |
GO top-level categories
Rollup of top GO terms by namespace:
| Category | Terms |
|---|---|
| cellular anatomical structure | 2 |
| phosphocreatine metabolic process | 1 |
| phosphagen biosynthetic process | 1 |
| kinase activity | 1 |
| phosphotransferase activity, nitrogenous group as acceptor | 1 |
| adenyl ribonucleotide binding | 1 |
| purine ribonucleoside triphosphate binding | 1 |
| nucleoside phosphate binding | 1 |
| heterocyclic compound binding | 1 |
| molecular_function | 1 |
| binding | 1 |
| transferase activity, transferring phosphorus-containing groups | 1 |
| catalytic activity | 1 |
| transferase activity | 1 |
| cytoplasm | 1 |
| intracellular anatomical structure | 1 |
Protein interactions and networks
STRING
1284 interactions, top by confidence (×1000):
| Protein A | Protein B | Partner UniProt | Score |
|---|---|---|---|
| CKM | ENO3 | P13929 | 714 |
| CKM | LDHAL6A | Q6ZMR3 | 685 |
| CKM | LDHAL6B | Q9BYZ2 | 684 |
| CKM | APOC2 | P02655 | 668 |
| CKM | LDHC | P07864 | 641 |
| CKM | MYOG | P15173 | 640 |
| CKM | PRKCG | P05129 | 625 |
| CKM | GOT1L1 | Q8NHS2 | 589 |
| CKM | MYOD1 | P15172 | 581 |
| CKM | DAG1 | Q14118 | 555 |
| CKM | ERCC2 | P18074 | 554 |
| CKM | MYH6 | P13533 | 533 |
| CKM | MYF5 | P13349 | 532 |
| CKM | MYL1 | P05976 | 514 |
| CKM | PAX7 | P23759 | 510 |
IntAct
67 interactions, top by confidence:
| A | B | Type | Score |
|---|---|---|---|
| CKM | ASB9 | psi-mi:“MI:0915”(physical association) | 0.870 |
| ASB9 | CKM | psi-mi:“MI:0915”(physical association) | 0.870 |
| ASB9 | CKM | psi-mi:“MI:0914”(association) | 0.870 |
| CKB | CKM | psi-mi:“MI:0915”(physical association) | 0.690 |
| CKB | CKM | psi-mi:“MI:0914”(association) | 0.690 |
| CKM | CKMT1A | psi-mi:“MI:0915”(physical association) | 0.560 |
| CKM | HTT | psi-mi:“MI:0915”(physical association) | 0.560 |
| PSMB9 | PSMD11 | psi-mi:“MI:0914”(association) | 0.530 |
| CKMT2 | NME2P1 | psi-mi:“MI:0914”(association) | 0.530 |
| ASB9 | ARIH2 | psi-mi:“MI:0914”(association) | 0.530 |
| ZNF24 | CKM | psi-mi:“MI:0914”(association) | 0.530 |
| CKM | PALM2AKAP2 | psi-mi:“MI:0914”(association) | 0.530 |
| CKM | psi-mi:“MI:0915”(physical association) | 0.400 | |
| CKM | HARS2 | psi-mi:“MI:0915”(physical association) | 0.400 |
| CC2D1B | CKM | psi-mi:“MI:0915”(physical association) | 0.400 |
| TMEM98 | CKM | psi-mi:“MI:0915”(physical association) | 0.400 |
| NOS1AP | CKM | psi-mi:“MI:0915”(physical association) | 0.370 |
| DUX4L9 | CKM | psi-mi:“MI:0915”(physical association) | 0.370 |
| HSPB2 | CKM | psi-mi:“MI:0915”(physical association) | 0.370 |
| ECE1 | CKM | psi-mi:“MI:0915”(physical association) | 0.370 |
BioGRID (87): CKM (Two-hybrid), CKM (Two-hybrid), ASB9 (Two-hybrid), CKM (Affinity Capture-MS), CKM (Affinity Capture-MS), CKM (Affinity Capture-MS), ATP6V1C2 (Affinity Capture-MS), PALM2 (Affinity Capture-MS), CKM (Affinity Capture-MS), ABCB7 (Co-fractionation), CKM (Co-fractionation), CKM (Two-hybrid), CKM (Two-hybrid), ASB9 (Two-hybrid), CKM (Affinity Capture-MS)
ESM2 similar proteins: A0A286R7K5, A0A976YI25, B0FRF9, B1PVZ9, C7E3T4, C9EIP1, H6VGI2, H6VGI3, O61367, O77814, O96507, P00563, P00564, P00565, P00566, P04414, P05123, P05124, P06732, P07310, P07335, P09605, P11009, P12532, P14208, P17540, P24722, P25809, P30275, P48610, P51541, P51545, P70079, P91798, Q004B5, Q04447, Q29577, Q29594, Q3ZBP1, Q5EA61
Diamond homologs: A0A286R7K5, A0A976YI25, A4J0X5, A5D5K7, A8F953, B0FRF9, B1PVZ9, C1KYG4, C7E3T4, C9EIP1, G1ESZ9, H6VGI2, H6VGI3, O15989, O15990, O15991, O15992, O61367, O77814, O96507, P00563, P00564, P00565, P00566, P00567, P04414, P05122, P05123, P05124, P06732, P07310, P07335, P09605, P11009, P12277, P12532, P14208, P16641, P17540, P18294
SIGNOR signaling
3 interactions.
| A | Effect | B | Mechanism |
|---|---|---|---|
| creatine | “up-regulates activity” | CKM | “chemical activation” |
| CKM | “up-regulates quantity” | N-phosphocreatine | “chemical modification” |
Disease & clinical
Clinical variants and AI predictions
ClinVar
76 variants total. Per-class counts are floors (≥ shown; pagination cap):
| Classification | Count (floor) |
|---|---|
| Pathogenic | 0 |
| Likely pathogenic | 0 |
| Uncertain significance | 65 |
| Likely benign | 3 |
| Benign | 1 |
Top pathogenic / likely-pathogenic (0)
SpliceAI
593 predictions. Top by Δscore:
| Variant | Effect | Δscore |
|---|---|---|
| 19:45306924:GCCAC:G | acceptor_gain | 1.0000 |
| 19:45306925:CCAC:C | acceptor_gain | 1.0000 |
| 19:45306925:CCACC:C | acceptor_gain | 1.0000 |
| 19:45306926:CAC:C | acceptor_gain | 1.0000 |
| 19:45306926:CACC:C | acceptor_gain | 1.0000 |
| 19:45306927:AC:A | acceptor_gain | 1.0000 |
| 19:45306927:ACC:A | acceptor_loss | 1.0000 |
| 19:45306928:CC:C | acceptor_gain | 1.0000 |
| 19:45306929:C:CC | acceptor_gain | 1.0000 |
| 19:45306930:T:A | acceptor_loss | 1.0000 |
| 19:45306938:C:CT | acceptor_gain | 1.0000 |
| 19:45307456:CGTA:C | donor_loss | 1.0000 |
| 19:45307457:GTAC:G | donor_loss | 1.0000 |
| 19:45307458:TACC:T | donor_loss | 1.0000 |
| 19:45307460:C:G | donor_loss | 1.0000 |
| 19:45307646:TCAAT:T | acceptor_gain | 1.0000 |
| 19:45307647:CAAT:C | acceptor_gain | 1.0000 |
| 19:45307647:CAATC:C | acceptor_gain | 1.0000 |
| 19:45307648:AAT:A | acceptor_gain | 1.0000 |
| 19:45307649:AT:A | acceptor_gain | 1.0000 |
| 19:45307650:TCTGA:T | acceptor_loss | 1.0000 |
| 19:45307651:C:A | acceptor_loss | 1.0000 |
| 19:45307651:C:CC | acceptor_gain | 1.0000 |
| 19:45307652:T:G | acceptor_loss | 1.0000 |
| 19:45307656:G:C | acceptor_gain | 1.0000 |
| 19:45307656:G:GC | acceptor_gain | 1.0000 |
| 19:45307659:C:CT | acceptor_gain | 1.0000 |
| 19:45307660:A:T | acceptor_gain | 1.0000 |
| 19:45308406:CAC:C | donor_loss | 1.0000 |
| 19:45308408:CCTT:C | donor_gain | 1.0000 |
AlphaMissense
2539 scored. Top likely-pathogenic:
| Variant | Protein change | am_pathogenicity |
|---|---|---|
| 19:45306882:G:C | N338K | 1.000 |
| 19:45306882:G:T | N338K | 1.000 |
| 19:45307469:C:A | R320M | 1.000 |
| 19:45307559:C:T | G290E | 1.000 |
| 19:45307560:C:A | G290W | 1.000 |
| 19:45307565:C:A | G288V | 1.000 |
| 19:45307565:C:T | G288D | 1.000 |
| 19:45307566:C:G | G288R | 1.000 |
| 19:45307570:G:C | N286K | 1.000 |
| 19:45307570:G:T | N286K | 1.000 |
| 19:45307574:G:A | S285F | 1.000 |
| 19:45307580:C:T | C283Y | 1.000 |
| 19:45307581:A:G | C283R | 1.000 |
| 19:45308488:T:A | D233V | 1.000 |
| 19:45308488:T:G | D233A | 1.000 |
| 19:45308489:C:G | D233H | 1.000 |
| 19:45308491:T:A | E232V | 1.000 |
| 19:45308493:C:A | E231D | 1.000 |
| 19:45308493:C:G | E231D | 1.000 |
| 19:45308494:T:A | E231V | 1.000 |
| 19:45308502:C:A | W228C | 1.000 |
| 19:45308502:C:G | W228C | 1.000 |
| 19:45308504:A:G | W228R | 1.000 |
| 19:45308504:A:T | W228R | 1.000 |
| 19:45308509:A:G | L226P | 1.000 |
| 19:45311756:C:G | G216R | 1.000 |
| 19:45311759:G:T | R215S | 1.000 |
| 19:45311769:C:A | W211C | 1.000 |
| 19:45311769:C:G | W211C | 1.000 |
| 19:45311771:A:G | W211R | 1.000 |
dbSNP variants (sampled 300 via entrez): RS1000102560 (19:45320135 G>A), RS1000229767 (19:45311880 G>A,C,T), RS1000561040 (19:45320012 A>C,T), RS1000604221 (19:45323978 T>A,C), RS1000910743 (19:45316337 A>AT), RS1001142354 (19:45309227 C>A), RS1001217434 (19:45311408 T>G), RS1001534538 (19:45314075 G>C), RS1001606611 (19:45313773 G>A), RS1001722165 (19:45324369 A>AC), RS1001808855 (19:45311213 C>G,T), RS1001988544 (19:45324177 C>T), RS1002066267 (19:45323593 G>A,T), RS1002076419 (19:45323268 G>A,C,T), RS1002678152 (19:45314069 G>A)
Disease associations
OMIM: gene MIM:123310 | disease phenotypes:
GenCC curated gene-disease
Mondo (0):
Orphanet (0):
HPO phenotypes
0 total (0 of 0 shown, HPO-id order):
GWAS associations
8 associations (top):
| Study | Trait | p-value |
|---|---|---|
| GCST002603_1 | Creatine kinase levels in statin users | 4.000000e-16 |
| GCST005316_237 | Intelligence (MTAG) | 2.000000e-08 |
| GCST005950_15 | Body mass index x sex x age interaction (4df test) | 2.000000e-10 |
| GCST005951_56 | Body mass index | 1.000000e-06 |
| GCST005952_8 | Body mass index (age>50) | 9.000000e-12 |
| GCST005954_4 | Body mass index x age interaction | 2.000000e-07 |
| GCST007320_93 | Alzheimer’s disease or family history of Alzheimer’s disease | 4.000000e-08 |
| GCST007827_3 | Alzheimer’s disease or HDL levels (pleiotropy) | 1.000000e-97 |
EFO canonical traits (7, from GWAS)
| EFO ID | Trait name |
|---|---|
| EFO:0004534 | creatine kinase measurement |
| EFO:0004337 | intelligence |
| EFO:0004340 | body mass index |
| EFO:0008007 | age at assessment |
| EFO:0008343 | sex interaction measurement |
| EFO:0009268 | family history of Alzheimer’s disease |
| EFO:0004612 | high density lipoprotein cholesterol measurement |
Drugs & pharmacology
Drug and pharmacology data
Is drug target: yes
ChEMBL targets (1): CHEMBL2656 (SINGLE PROTEIN)
PharmGKB: 1 entry (VIP=true, CPIC=false)
CTD chemical–gene interactions
35 total (human), top 30 by PubMed support.
| Chemical | Actions (top 5) | PubMed papers |
|---|---|---|
| sodium arsenite | affects cotreatment, decreases expression, affects binding, increases reaction, increases expression | 4 |
| Doxorubicin | decreases expression | 4 |
| graphene oxide | increases expression | 2 |
| bisphenol A | increases abundance, increases expression, affects cotreatment, affects expression | 2 |
| Daunorubicin | decreases expression | 2 |
| Mitoxantrone | decreases expression | 2 |
| Tobacco Smoke Pollution | increases expression, affects expression | 2 |
| Cadmium Chloride | decreases expression, affects cotreatment | 2 |
| ginger extract | affects cotreatment, affects expression, increases abundance | 1 |
| notexin | increases secretion | 1 |
| lead acetate | affects cotreatment, decreases expression | 1 |
| fluoroacetic acid | increases secretion | 1 |
| chromous chloride | affects cotreatment, decreases expression | 1 |
| chromic oxide | affects cotreatment, decreases expression | 1 |
| 2,7-dihydroxynaphthalene | decreases expression | 1 |
| abrine | increases expression | 1 |
| incobotulinumtoxinA | decreases expression | 1 |
| Arsenic Trioxide | increases expression | 1 |
| Acetaminophen | increases expression | 1 |
| Albuterol | increases secretion | 1 |
| Benzo(a)pyrene | increases methylation, affects methylation | 1 |
| Carbimazole | increases expression | 1 |
| Carmustine | decreases expression | 1 |
| Cocaine | affects binding, increases secretion | 1 |
| Etoposide | decreases expression | 1 |
| Oils, Volatile | affects cotreatment, affects expression, increases abundance | 1 |
| Oxygen | increases expression, decreases reaction | 1 |
| Phenytoin | increases expression | 1 |
| Silicon Dioxide | increases expression | 1 |
| Triclosan | decreases expression | 1 |
ChEMBL screening assays
20 unique, capped per target: 19 binding, 1 functional
Representative assays (with source publication via chembl_document):
| Assay ID | Type | Description | Source paper |
|---|---|---|---|
| CHEMBL1054176 | Binding | Activity of human creatine kinase isoform MM assessed as formation of RO2433 triphosphate at 200 uM | The mechanism of action of beta-D-2’-deoxy-2’-fluoro-2’-C-methylcytidine involves a second metabolic pathway leading to beta-D-2’-deoxy-2’-fluoro-2’-C-methyluridine 5’-triphosphate, a potent inhibitor of the hepatitis C virus RNA-dependent RNA polymerase. — Antimicrob Agents Chemother |
| CHEMBL822428 | Functional | Concentration required to antagonise the creatine kinase release induced by Bothrops jararacussu venom | Synthesis and preliminary pharmacological evaluation of coumestans with different patterns of oxygenation. — Bioorg Med Chem Lett |
Clinical trials (associated diseases)
0 trials via MONDO — disease-level, not drug-specific.
Related Atlas pages
No linked Atlas pages yet — the cross-entity mesh grows as the corpus expands.