APOL4
gene geneOn this page
Also known as APOLIV
Summary
APOL4 (apolipoprotein L4, HGNC:14867) is a protein-coding gene on chromosome 22q12.3, encoding Apolipoprotein L4 (Q9BPW4). May play a role in lipid exchange and transport throughout the body.
This gene encodes a member of the apolipoprotein L family. The encoded protein may play a role in lipid exchange and transport throughout the body, as well as in reverse cholesterol transport from peripheral cells to the liver. Alternative splicing results in multiple transcript variants.
Source: NCBI Gene 80832 — RefSeq curated summary.
At a glance
- Clinical variants (ClinVar): 32 total
- GTEx eGene: eQTL in 49 tissues, sQTL in 21 (q < 0.05)
- Constraint (gnomAD): pLI 0.00 (LoF-tolerant), LOEUF 1.86 (unconstrained)
- MANE Select transcript:
NM_001386885
Identifiers
Gene identifiers
| Field | Value |
|---|---|
| HGNC ID | HGNC:14867 |
| Approved symbol | APOL4 |
| Name | apolipoprotein L4 |
| Location | 22q12.3 |
| Locus type | gene with protein product |
| Status | Approved |
| Aliases | APOLIV |
| Ensembl gene | ENSG00000100336 |
| Ensembl biotype | protein_coding |
| OMIM | 607254 |
| Entrez | 80832 |
Gene structure
Transcript identifiers
Ensembl transcripts: 14 — 10 protein_coding, 2 protein_coding_CDS_not_defined, 1 retained_intron, 1 nonsense_mediated_decay
MANE Select: ENST00000683024
Transcript support level (Ensembl TSL; 1 = fully mRNA-supported): TSL 1: 3, TSL 2: 1, TSL 4: 4, TSL 5: 3
ENST00000683024, ENST00000332987, ENST00000352371, ENST00000397275, ENST00000419360, ENST00000436763, ENST00000449084, ENST00000457630, ENST00000480236, ENST00000493203, ENST00000613247, ENST00000616056, ENST00000684666, ENST00000880614
RefSeq mRNA: 4 — MANE Select: NM_001386885
NM_001386885, NM_030643, NM_145660, NM_145661
CCDS: CCDS74851, CCDS74852, CCDS93158
Canonical transcript exons
ENST00000683024 — 4 exons
| Exon | Start | End |
|---|---|---|
| ENSE00001742279 | 36189128 | 36191912 |
| ENSE00003510938 | 36195311 | 36195437 |
| ENSE00003513703 | 36199330 | 36199376 |
| ENSE00003918914 | 36201700 | 36201809 |
Expression profiles
Bgee: expression breadth ubiquitous, 203 present calls, max score 86.29.
FANTOM5 (CAGE): breadth broad, TPM avg 4.1849 / max 416.7855, expressed in 510 samples.
Highest expression (Bgee): adenohypophysis, uterine tube, tendon of biceps brachii, pituitary gland, pancreatic ductal cell.
Genetic regulation across tissues (GTEx eQTL / sQTL)
APOL4 is an eGene in GTEx v10 — its expression is genetically regulated (eQTL) in 49 tissues and its splicing (sQTL) in 21 (q < 0.05). Strongest associations first; slope = normalized effect of the lead variant’s alternative allele.
showing 20 of 70 significant tissue × QTL associations:
| Tissue | QTL | q-value | Slope | Lead variant |
|---|---|---|---|---|
| Artery Tibial | eqtl | 5.1e-83 | -0.82 | 22:36201052:A:G |
| Adipose Subcutaneous | eqtl | 5.9e-79 | -0.63 | 22:36201831:G:A |
| Thyroid | eqtl | 1.4e-64 | -0.64 | 22:36201052:A:G |
| Esophagus Mucosa | eqtl | 2.7e-64 | +0.78 | 22:36205634:C:A |
| Nerve Tibial | eqtl | 8.2e-53 | -0.88 | 22:36201698:A:C |
| Artery Aorta | eqtl | 7.0e-52 | -0.74 | 22:36201052:A:G |
| Heart Atrial Appendage | eqtl | 1.8e-46 | -0.73 | 22:36201831:G:A |
| Adipose Visceral Omentum | eqtl | 3.8e-46 | -0.50 | 22:36201052:A:G |
| Muscle Skeletal | eqtl | 1.4e-44 | -0.85 | 22:36201698:A:C |
| Esophagus Muscularis | eqtl | 3.7e-44 | -0.67 | 22:36201052:A:G |
| Cells Cultured fibroblasts | eqtl | 1.8e-41 | -0.58 | 22:36201698:A:C |
| Breast Mammary Tissue | eqtl | 2.2e-36 | -0.76 | 22:36201698:A:C |
| Heart Left Ventricle | eqtl | 6.4e-35 | -0.99 | 22:36202599:G:A |
| Colon Transverse | eqtl | 2.8e-34 | -0.96 | 22:36201698:A:C |
| Esophagus Mucosa | sqtl | 4.2e-33 | -0.82 | 22:36206861:TTTGC:T |
| Lung | eqtl | 1.1e-30 | -0.97 | 22:36202255:C:T |
| Skin Sun Exposed Lower leg | eqtl | 1.9e-30 | -0.53 | 22:36200606:C:T |
| Skin Sun Exposed Lower leg | sqtl | 8.7e-29 | -0.73 | 22:36207248:G:A |
| Colon Sigmoid | eqtl | 1.2e-28 | -1.07 | 22:36201698:A:C |
| Esophagus Gastroesophageal Junction | eqtl | 1.9e-26 | -0.59 | 22:36201052:A:G |
FANTOM5 promoters
6 alternative TSS:
| Promoter ID | TPM avg | Samples expressed |
|---|---|---|
| 193867 | 2.9620 | 395 |
| 193868 | 0.6688 | 271 |
| 193866 | 0.3544 | 87 |
| 193865 | 0.1327 | 45 |
| 193869 | 0.0429 | 23 |
| 193870 | 0.0241 | 12 |
Top tissues by expression
showing 100 of 234 tissues by Bgee expression score (0-100, higher = more expressed):
| Tissue | Anatomy ID | Expression score | Quality |
|---|---|---|---|
| adenohypophysis | UBERON:0002196 | 86.29 | gold quality |
| right uterine tube | UBERON:0001302 | 85.78 | gold quality |
| tendon of biceps brachii | UBERON:0008188 | 84.96 | gold quality |
| pituitary gland | UBERON:0000007 | 83.65 | gold quality |
| pancreatic ductal cell | CL:0002079 | 83.42 | silver quality |
| omental fat pad | UBERON:0010414 | 81.47 | gold quality |
| peritoneum | UBERON:0002358 | 81.42 | gold quality |
| vermiform appendix | UBERON:0001154 | 80.83 | gold quality |
| gall bladder | UBERON:0002110 | 80.45 | gold quality |
| adipose tissue of abdominal region | UBERON:0007808 | 80.24 | gold quality |
| prostate gland | UBERON:0002367 | 79.82 | gold quality |
| ganglionic eminence | UBERON:0004023 | 78.96 | gold quality |
| primordial germ cell in gonad | CL:0000670 ∩ UBERON:0000991 | 78.48 | gold quality |
| epithelial cell of pancreas | CL:0000083 | 78.39 | gold quality |
| saliva-secreting gland | UBERON:0001044 | 78.30 | gold quality |
| endometrium | UBERON:0001295 | 78.30 | gold quality |
| minor salivary gland | UBERON:0001830 | 77.85 | gold quality |
| olfactory segment of nasal mucosa | UBERON:0005386 | 77.85 | gold quality |
| subcutaneous adipose tissue | UBERON:0002190 | 77.79 | gold quality |
| tibial nerve | UBERON:0001323 | 77.69 | gold quality |
| colonic epithelium | UBERON:0000397 | 77.32 | gold quality |
| upper lobe of left lung | UBERON:0008952 | 77.27 | gold quality |
| apex of heart | UBERON:0002098 | 77.00 | gold quality |
| urinary bladder | UBERON:0001255 | 76.17 | gold quality |
| upper lobe of lung | UBERON:0008948 | 76.17 | gold quality |
| smooth muscle tissue | UBERON:0001135 | 75.79 | gold quality |
| left uterine tube | UBERON:0001303 | 75.77 | gold quality |
| caecum | UBERON:0001153 | 75.66 | gold quality |
| mouth mucosa | UBERON:0003729 | 75.56 | gold quality |
| skin of abdomen | UBERON:0001416 | 74.95 | gold quality |
| esophagogastric junction muscularis propria | UBERON:0035841 | 74.86 | gold quality |
| right lung | UBERON:0002167 | 74.80 | gold quality |
| skeletal muscle tissue of rectus abdominis | UBERON:0004511 | 74.73 | gold quality |
| lymph node | UBERON:0000029 | 74.61 | gold quality |
| granulocyte | CL:0000094 | 74.59 | gold quality |
| tendon | UBERON:0000043 | 74.41 | gold quality |
| skin of leg | UBERON:0001511 | 74.14 | gold quality |
| rectum | UBERON:0001052 | 74.01 | gold quality |
| uterus | UBERON:0000995 | 73.98 | gold quality |
| body of uterus | UBERON:0009853 | 73.98 | gold quality |
| monocyte | CL:0000576 | 73.91 | gold quality |
| left coronary artery | UBERON:0001626 | 73.68 | gold quality |
| body of stomach | UBERON:0001161 | 73.62 | gold quality |
| leukocyte | CL:0000738 | 73.59 | gold quality |
| adipose tissue | UBERON:0001013 | 73.58 | gold quality |
| vagina | UBERON:0000996 | 73.41 | gold quality |
| right ovary | UBERON:0002118 | 73.27 | gold quality |
| stomach | UBERON:0000945 | 73.25 | gold quality |
| heart left ventricle | UBERON:0002084 | 73.24 | gold quality |
| right lobe of thyroid gland | UBERON:0001119 | 73.20 | gold quality |
| left lobe of thyroid gland | UBERON:0001120 | 73.20 | gold quality |
| small intestine Peyer’s patch | UBERON:0003454 | 73.17 | gold quality |
| left ovary | UBERON:0002119 | 73.05 | gold quality |
| lower esophagus muscularis layer | UBERON:0035833 | 72.98 | gold quality |
| lower esophagus | UBERON:0013473 | 72.96 | gold quality |
| lung | UBERON:0002048 | 72.77 | gold quality |
| cardiac ventricle | UBERON:0002082 | 72.76 | gold quality |
| ectocervix | UBERON:0012249 | 72.75 | gold quality |
| esophagus | UBERON:0001043 | 72.62 | gold quality |
| metanephros cortex | UBERON:0010533 | 72.56 | gold quality |
| muscle layer of sigmoid colon | UBERON:0035805 | 72.51 | gold quality |
| endocervix | UBERON:0000458 | 72.43 | gold quality |
| esophagus mucosa | UBERON:0002469 | 72.43 | gold quality |
| heart | UBERON:0000948 | 72.40 | gold quality |
| right atrium auricular region | UBERON:0006631 | 72.36 | gold quality |
| zone of skin | UBERON:0000014 | 72.23 | gold quality |
| female reproductive system | UBERON:0000474 | 72.22 | gold quality |
| small intestine | UBERON:0002108 | 72.10 | gold quality |
| transverse colon | UBERON:0001157 | 72.00 | gold quality |
| coronary artery | UBERON:0001621 | 71.94 | gold quality |
| cardiac atrium | UBERON:0002081 | 71.71 | gold quality |
| thyroid gland | UBERON:0002046 | 71.68 | gold quality |
| spleen | UBERON:0002106 | 71.49 | gold quality |
| calcaneal tendon | UBERON:0003701 | 71.49 | gold quality |
| fallopian tube | UBERON:0003889 | 71.14 | gold quality |
| descending thoracic aorta | UBERON:0002345 | 71.13 | gold quality |
| uterine cervix | UBERON:0000002 | 71.06 | gold quality |
| adult mammalian kidney | UBERON:0000082 | 70.88 | gold quality |
| esophagus squamous epithelium | UBERON:0006920 | 70.53 | silver quality |
| intestine | UBERON:0000160 | 70.48 | gold quality |
| ovary | UBERON:0000992 | 70.38 | gold quality |
| right lobe of liver | UBERON:0001114 | 70.11 | gold quality |
| medial globus pallidus | UBERON:0002477 | 70.10 | gold quality |
| thoracic aorta | UBERON:0001515 | 70.08 | gold quality |
| colon | UBERON:0001155 | 70.07 | gold quality |
| ascending aorta | UBERON:0001496 | 70.02 | gold quality |
| large intestine | UBERON:0000059 | 69.77 | gold quality |
| fundus of stomach | UBERON:0001160 | 69.68 | gold quality |
| islet of Langerhans | UBERON:0000006 | 69.55 | gold quality |
| aorta | UBERON:0000947 | 69.46 | gold quality |
| tibial artery | UBERON:0007610 | 69.26 | gold quality |
| popliteal artery | UBERON:0002250 | 69.23 | gold quality |
| left adrenal gland | UBERON:0001234 | 69.04 | gold quality |
| bone marrow cell | CL:0002092 | 68.68 | silver quality |
| placenta | UBERON:0001987 | 68.41 | gold quality |
| hindlimb stylopod muscle | UBERON:0004252 | 68.11 | gold quality |
| muscle of leg | UBERON:0001383 | 67.94 | gold quality |
| ventricular zone | UBERON:0003053 | 67.86 | gold quality |
| kidney | UBERON:0002113 | 67.77 | gold quality |
| gastrocnemius | UBERON:0001388 | 67.75 | gold quality |
Single-cell (SCXA)
Detected in 1 experiment(s), a significant marker in 1.
| Experiment | Marker? | Max mean expression |
|---|---|---|
| E-ANND-3 | yes | 5.64 |
HPA expression
RNA tissue specificity: Low tissue specificity
showing 60 of 61 HPA tissues / cells by nTPM:
| Tissue / cell | Axis | nTPM | Protein (IHC) |
|---|---|---|---|
| Cerebellum | tissue | 22.5 | not detected |
| Hypothalamus | tissue | 22.0 | |
| Midbrain | tissue | 21.3 | |
| Cerebral cortex | tissue | 20.8 | not detected |
| Medulla oblongata | tissue | 20.5 | |
| Postcentral gyrus | tissue | 19.3 | |
| Pons | tissue | 19.0 | |
| Basal ganglia | tissue | 18.2 | not detected |
| Putamen | tissue | 18.2 | |
| Hippocampal formation | tissue | 18.1 | |
| Thalamus | tissue | 17.7 | |
| Nucleus accumbens | tissue | 17.4 | |
| Retrosplenial cortex | tissue | 17.2 | |
| Occipital cortex | tissue | 17.2 | |
| Amygdala | tissue | 17.1 | |
| Spinal cord | tissue | 16.8 | |
| Hippocampus | tissue | 16.7 | not detected |
| Substantia nigra | tissue | 16.5 | |
| Locus coeruleus | tissue | 15.4 | |
| Lung | tissue | 14.0 | not detected |
| Prostate | tissue | 14.0 | not detected |
| Choroid plexus | tissue | 13.9 | |
| Urinary bladder | tissue | 11.1 | not detected |
| Gallbladder | tissue | 6.6 | not detected |
| Adipose tissue | tissue | 6.3 | not detected |
| Heart muscle | tissue | 6.0 | not detected |
| Breast | tissue | 5.9 | not detected |
| Lymph node | tissue | 5.8 | not detected |
| Appendix | tissue | 5.8 | not detected |
| Fallopian tube | tissue | 5.7 | not detected |
| Ovary | tissue | 5.5 | not detected |
| Stomach 1 | tissue | 5.3 | not detected |
| Duodenum | tissue | 5.3 | not detected |
| Cervix | tissue | 5.1 | not detected |
| Endometrium 1 | tissue | 5.0 | not detected |
| Kidney | tissue | 4.7 | not detected |
| Bone marrow | tissue | 4.7 | not detected |
| Small intestine | tissue | 4.5 | not detected |
| Esophagus | tissue | 4.3 | not detected |
| Rectum | tissue | 4.1 | not detected |
| Colon | tissue | 3.9 | not detected |
| Skin 1 | tissue | 3.4 | not detected |
| Spleen | tissue | 3.3 | not detected |
| Retina | tissue | 3.1 | |
| Placenta | tissue | 3.0 | not detected |
| Thymus | tissue | 3.0 | |
| Seminal vesicle | tissue | 2.9 | not detected |
| Skeletal muscle | tissue | 2.8 | not detected |
| Tongue | tissue | 2.8 | |
| Salivary gland | tissue | 2.5 | not detected |
| Adrenal gland | tissue | 2.2 | not detected |
| Liver | tissue | 2.0 | not detected |
| Tonsil | tissue | 1.9 | not detected |
| Smooth muscle | tissue | 1.8 | not detected |
| Vagina | tissue | 1.6 | not detected |
| Epididymis | tissue | 1.6 | not detected |
| Thyroid gland | tissue | 1.6 | not detected |
| Testis | tissue | 1.5 | not detected |
| Pancreas | tissue | 1.3 | not detected |
| Pituitary gland | tissue | 1.0 |
Brain sub-regions (HPA Brain Atlas): detected in 185; highest nTPM — Flocculonodular lobe (22.5), Vermis (22.3), Arcuate nucleus (22.0), Preoptic area (21.4), Periaquaductal grey, dorsal (21.3).
Regulation
Is transcription factor: no
Upstream regulators (CollecTRI, top): STAT1
miRNA regulators (miRDB)
Targeting APOL4 by miRDB confidence (max_score; target_count = how many genes the miRNA targets in total — lower means more specific).
showing 30 of 96 miRNAs:
| miRNA | Max score | Avg score | miRNA target_count |
|---|---|---|---|
| HSA-MIR-5193 | 100.00 | 67.26 | 1744 |
| HSA-MIR-513B-5P | 99.99 | 69.96 | 2150 |
| HSA-MIR-548N | 99.98 | 71.94 | 4170 |
| HSA-MIR-2110 | 99.96 | 66.68 | 1930 |
| HSA-MIR-4725-3P | 99.96 | 69.53 | 2520 |
| HSA-MIR-6780B-5P | 99.96 | 69.60 | 2562 |
| HSA-MIR-559 | 99.95 | 72.28 | 3609 |
| HSA-MIR-548AB | 99.95 | 71.31 | 3488 |
| HSA-MIR-548A-5P | 99.94 | 71.27 | 3482 |
| HSA-MIR-548AD-5P | 99.94 | 71.23 | 3502 |
| HSA-MIR-548AE-5P | 99.94 | 71.23 | 3502 |
| HSA-MIR-548AK | 99.94 | 71.24 | 3488 |
| HSA-MIR-548AM-5P | 99.94 | 71.24 | 3488 |
| HSA-MIR-548AP-5P | 99.94 | 71.14 | 3489 |
| HSA-MIR-548AQ-5P | 99.94 | 71.34 | 3426 |
| HSA-MIR-548AR-5P | 99.94 | 71.28 | 3515 |
| HSA-MIR-548AS-5P | 99.94 | 71.22 | 3482 |
| HSA-MIR-548AU-5P | 99.94 | 71.24 | 3488 |
| HSA-MIR-548AY-5P | 99.94 | 71.23 | 3502 |
| HSA-MIR-548B-5P | 99.94 | 71.23 | 3502 |
| HSA-MIR-548BB-5P | 99.94 | 71.27 | 3509 |
| HSA-MIR-548C-5P | 99.94 | 71.24 | 3488 |
| HSA-MIR-548D-5P | 99.94 | 71.23 | 3502 |
| HSA-MIR-548H-5P | 99.94 | 71.24 | 3488 |
| HSA-MIR-548I | 99.94 | 71.25 | 3481 |
| HSA-MIR-548J-5P | 99.94 | 71.14 | 3489 |
| HSA-MIR-548O-5P | 99.94 | 71.24 | 3488 |
| HSA-MIR-548W | 99.94 | 71.24 | 3488 |
| HSA-MIR-548Y | 99.94 | 71.28 | 3514 |
| HSA-MIR-539-5P | 99.93 | 70.30 | 2855 |
Functional genomics
gnomAD constraint: pLI 3.82e-06, LOEUF 1.86, missense Z 0.237 — population loss-of-function intolerance (pLI ≥ 0.9 = LoF-intolerant; lower LOEUF = more constrained). gnomAD
Regional missense constraint (gnomAD RMC): no regional variation along ENST00000683024 — one region, missense o/e 1.02.
Literature-anchored findings (GeneRIF, showing 2)
- APOL4 has been found only in humans and African green monkeys (PMID:11944986)
- An association of APOL1, 2 and 4 with schizophrenia was establised. (PMID:18632255)
Cross-species orthologs
19 orthologs
| Organism | Symbol | Gene ID |
|---|---|---|
| mus_musculus | Apol7a | ENSMUSG00000010601 |
| mus_musculus | Apol7c | ENSMUSG00000044309 |
| mus_musculus | Apol10b | ENSMUSG00000050014 |
| mus_musculus | Apol10a | ENSMUSG00000050982 |
| mus_musculus | Apol9a | ENSMUSG00000057346 |
| mus_musculus | Apol9b | ENSMUSG00000068246 |
| mus_musculus | Apol7b | ENSMUSG00000068252 |
| mus_musculus | Apol7e | ENSMUSG00000071716 |
| mus_musculus | Apol11a | ENSMUSG00000091650 |
| mus_musculus | Apol11b | ENSMUSG00000091694 |
| rattus_norvegicus | Apol9a | ENSRNOG00000023410 |
| rattus_norvegicus | Apol3l1 | ENSRNOG00000042771 |
| rattus_norvegicus | AABR07058479.1 | ENSRNOG00000047414 |
| rattus_norvegicus | Apol7bl1 | ENSRNOG00000047782 |
| rattus_norvegicus | Apol7a | ENSRNOG00000052981 |
| rattus_norvegicus | LOC120093819 | ENSRNOG00000069032 |
| rattus_norvegicus | Apol11a | ENSRNOG00000081988 |
| caenorhabditis_elegans | WBGENE00017219 | |
| caenorhabditis_elegans | WBGENE00017220 |
Paralogs (6): APOL1 (ENSG00000100342), APOL3 (ENSG00000128284), APOL5 (ENSG00000128313), APOL2 (ENSG00000128335), APOLD1 (ENSG00000178878), APOL6 (ENSG00000221963)
Mouse-model phenotypes
Observed phenotypes of the mouse ortholog (MGI:1923011) from MGI (Alliance of Genome Resources) — knockout/mutant phenotypes, ranked by annotation count. 3 distinct phenotype terms.
| Mouse phenotype (MP) | Records |
|---|---|
| abnormal dendritic cell physiology | 1 |
| abnormal dendritic cell antigen presentation | 1 |
| increased heart left ventricle size | 1 |
Genomic neighbors (locus context)
Genes flanking this one on the chromosome (NCBI/Entrez gene neighborhood). Positional context only — some neighbors share regulatory elements (bidirectional promoters, antisense/overlapping transcripts), but chromosomal adjacency is not itself a functional relationship (see Interactions for that).
| Symbol | Type | Entrez |
|---|---|---|
| APOL2 | protein-coding | 23780 |
| APOL1 | protein-coding | 8542 |
| MIR6819 | ncRNA | 102465491 |
| MYH9 | protein-coding | 4627 |
| MYH9-DT | ncRNA | 105377199 |
Protein
Protein identifiers
Apolipoprotein L4 — Q9BPW4 (reviewed: Q9BPW4)
Alternative names: Apolipoprotein L-IV
All UniProt accessions (6): Q9BPW4, B1AHJ0, B1AHJ2, E9PS31, F5H1P9, Q9BRG6
UniProt curated annotations — full annotation on UniProt →
Function. May play a role in lipid exchange and transport throughout the body. May participate in reverse cholesterol transport from peripheral cells to the liver.
Subcellular location. Secreted.
Tissue specificity. Widely expressed; the highest levels are in spinal cord, placenta, adrenal gland; also detected in spleen, bone marrow, uterus, trachea, mammary gland and testis; levels are low in brain, heart and pancreas.
Similarity. Belongs to the apolipoprotein L family.
Isoforms (3)
| UniProt ID | Names | Canonical? |
|---|---|---|
| Q9BPW4-1 | 1, B | yes |
| Q9BPW4-2 | 2, A | |
| Q9BPW4-3 | 3 |
RefSeq proteins (4): NP_001373814, NP_085146, NP_663693, NP_663694 (=MANE)
Domains & families (InterPro)
| ID | Name | Type |
|---|---|---|
| IPR008405 | ApoL | Family |
Pfam: PF05461
UniProt features (10 total): sequence variant 6, splice variant 2, signal peptide 1, chain 1
Structure
Predicted structure (AlphaFold)
| Model | pLDDT | Fraction very-high |
|---|---|---|
| AF-Q9BPW4-F1 | 54.08 | 0.00 |
Human Protein Atlas
Protein class: Predicted membrane proteins, Predicted secreted proteins, Predicted intracellular proteins, Plasma proteins, Human disease related genes, Mental and behavioural disorders, UniProt - Evidence at transcript level
Protein evidence: Evidence at protein level
Subcellular location (HPA, imaging): vesicles
Antibody reliability (HPA): IH uncertain · IF supported
Function
Pathways and Gene Ontology
Reactome pathways
0 curated (TAS) of 0; 0 disease pathways. Curated-first; evidence = TAS (manually curated) vs IEA (electronic inference).
MSigDB gene sets: 73 (showing top):
GOBP_LIPOPROTEIN_METABOLIC_PROCESS, GOBP_LIPID_METABOLIC_PROCESS, GOBP_LIPID_LOCALIZATION, GOMF_LIPID_BINDING, MARTENS_TRETINOIN_RESPONSE_UP, MAFG_TARGET_GENES, SKIL_TARGET_GENES, MIR539_5P, MIR513B_5P, MIR3140_3P, MIR2110, MIR450A_2_3P, MIR149_5P, MIR4457, GSE11864_CSF1_IFNG_VS_CSF1_IFNG_PAM3CYS_IN_MAC_UP
GO Biological Process (3): lipid metabolic process (GO:0006629), lipid transport (GO:0006869), lipoprotein metabolic process (GO:0042157)
GO Molecular Function (2): lipid binding (GO:0008289), protein binding (GO:0005515)
GO Cellular Component (2): extracellular region (GO:0005576), membrane (GO:0016020)
GO top-level categories
6 GO namespaces:
| Category | Terms |
|---|---|
| binding | 2 |
| cellular anatomical structure | 2 |
| primary metabolic process | 1 |
| transport | 1 |
| lipid localization | 1 |
| protein metabolic process | 1 |
Protein interactions and networks
STRING
showing 15 of 410 interactions by confidence (×1000):
| Protein A | Protein B | Partner UniProt | Score |
|---|---|---|---|
| APOL4 | COMT | P21964 | 726 |
| APOL4 | CHRM4 | P08173 | 515 |
| APOL4 | PRODH | O43272 | 504 |
| APOL4 | PRODH | O43272 | 487 |
| APOL4 | OR10H5 | Q8NGA6 | 463 |
| APOL4 | PDE4B | Q07343 | 436 |
| APOL4 | OR10H1 | Q9Y4A9 | 394 |
| APOL4 | NPIPB9 | F8W1W9 | 390 |
| APOL4 | APOO | Q9BUR5 | 390 |
| APOL4 | SYN2 | Q92777 | 369 |
| APOL4 | DISC1 | Q9NRI5 | 356 |
| APOL4 | APOL5 | Q9BWW9 | 351 |
| APOL4 | APOL6 | Q9BWW8 | 346 |
| APOL4 | CFAP161 | Q6P656 | 315 |
| APOL4 | NPIPB8 | E9PQR5 | 307 |
IntAct
Human interaction partners of APOL4 in IntAct, one row per partner (best MIscore; records = supporting IntAct interaction records).
1 partners by confidence:
| Partner | Interaction type | MIscore | Records |
|---|---|---|---|
| TFAP2C | physical association | 0.370 | 1 |
BioGRID (2 interactions; top human partners by supporting records): LNX1 (Two-hybrid), NFYC (Two-hybrid)
Disease & clinical
Genetic variants
Variant evidence for APOL4: 32 ClinVar records (0 pathogenic / likely pathogenic).
ClinVar
32 variants total. Per-class counts are floors (≥ shown; pagination cap):
| Classification | Count (floor) |
|---|---|
| Pathogenic | 0 |
| Likely pathogenic | 0 |
| Uncertain significance | 15 |
| Likely benign | 5 |
| Benign | 0 |
SpliceAI
Top 10 splice-impact sites by Δscore (adjacent positions with the same effect merged into one range; 27 predictions of 184):
| Position(s) | Effect | Δscore | Sites |
|---|---|---|---|
| 22:36195309–36195310 | donor_loss | 1.0000 | 4 |
| 22:36195438–36195439 | acceptor_loss | 1.0000 | 6 |
| 22:36195442 | acceptor_gain | 1.0000 | |
| 22:36195310 | donor_loss | 0.9900 | |
| 22:36195450 | acceptor_gain | 0.9900 | |
| 22:36199554 | donor_gain | 0.9900 | |
| 22:36201698–36201699 | donor_loss | 0.9900 | 5 |
| 22:36191913–36191914 | acceptor_loss | 0.9800 | 6 |
| 22:36191920 | acceptor_gain | 0.9800 | |
| 22:36199378 | acceptor_gain | 0.9800 |
HPA cancer prognostics
RNA cancer specificity: Low cancer specificity
Disease associations
OMIM: gene MIM:607254 | disease phenotypes:
Drugs & pharmacology
Drug and pharmacology data
Is drug target: no
PharmGKB: 1 entry (CPIC guideline: no)
CTD chemical–gene interactions
20 total (human), top 20 by PubMed support.
| Chemical | Actions (top 5) | PubMed papers |
|---|---|---|
| Particulate Matter | increases abundance, increases expression | 3 |
| Vehicle Emissions | increases abundance, increases expression | 2 |
| Lead | affects expression, decreases expression | 2 |
| Nickel | increases expression | 2 |
| aristolochic acid I | increases expression | 1 |
| TL8-506 | affects cotreatment, increases expression | 1 |
| propionaldehyde | decreases expression | 1 |
| bisphenol A | affects cotreatment, increases expression | 1 |
| tris(1,3-dichloro-2-propyl)phosphate | decreases expression | 1 |
| butyraldehyde | decreases expression | 1 |
| aflatoxin B2 | increases methylation | 1 |
| pentanal | decreases expression | 1 |
| CGP 52608 | affects binding, increases reaction | 1 |
| theaflavin-3,3’-digallate | affects expression | 1 |
| Bortezomib | decreases expression | 1 |
| Air Pollutants | increases abundance, increases expression | 1 |
| Dexamethasone | affects cotreatment, increases expression | 1 |
| Indomethacin | increases expression, affects cotreatment | 1 |
| 1-Methyl-3-isobutylxanthine | increases expression, affects cotreatment | 1 |
| Antirheumatic Agents | decreases expression | 1 |
Clinical trials (associated diseases)
Via MONDO — disease-level, not drug-specific.
Related Atlas pages
No linked Atlas pages yet — the cross-entity mesh grows as the corpus expands.