BCAS4
gene geneOn this page
Also known as FLJ20495CNOL
Summary
BCAS4 (breast carcinoma amplified sequence 4, HGNC:14367) is a protein-coding gene on chromosome 20q13.13, encoding Breast carcinoma-amplified sequence 4 (Q8TDM0).
Predicted to be located in cytoplasm. Predicted to be part of BLOC-1 complex.
Source: NCBI Gene 55653 — automated summary from GO annotations (Alliance of Genome Resources).
At a glance
- GWAS associations: 5
- Clinical variants (ClinVar): 51 total
- GTEx eGene: eQTL in 37 tissues, sQTL in 7 (q < 0.05)
- Constraint (gnomAD): pLI 0.01 (LoF-tolerant), LOEUF 1.08 (unconstrained)
- MANE Select transcript:
NM_198799 - Notable: 51 clinical variants but no curated precision-oncology (CIViC) evidence yet
Identifiers
Gene identifiers
| Field | Value |
|---|---|
| HGNC ID | HGNC:14367 |
| Approved symbol | BCAS4 |
| Name | breast carcinoma amplified sequence 4 |
| Location | 20q13.13 |
| Locus type | gene with protein product |
| Status | Approved |
| Aliases | FLJ20495, CNOL |
| Ensembl gene | ENSG00000124243 |
| Ensembl biotype | protein_coding |
| OMIM | 607471 |
| Entrez | 55653 |
Gene structure
Transcript identifiers
Ensembl transcripts: 24 — 17 protein_coding, 6 nonsense_mediated_decay, 1 protein_coding_CDS_not_defined
MANE Select: ENST00000371608
Transcript support level (Ensembl TSL; 1 = fully mRNA-supported): TSL 1: 5, TSL 5: 1
ENST00000371608, ENST00000358791, ENST00000445038, ENST00000463943, ENST00000485049, ENST00000609336, ENST00000912026, ENST00000912027, ENST00000912028, ENST00000912029, ENST00000912030, ENST00000912031, ENST00000912033, ENST00000993680, ENST00001042168, ENST00001042169, ENST00001042171, ENST00001042172, ENST00001079434, ENST00001079435, ENST00001079436, ENST00001079438, ENST00001101470, ENST00001133496
RefSeq mRNA: 3 — MANE Select: NM_198799
NM_001010974, NM_017843, NM_198799
CCDS: CCDS13432, CCDS33487
Canonical transcript exons
ENST00000371608 — 5 exons
| Exon | Start | End |
|---|---|---|
| ENSE00001556559 | 50795061 | 50795173 |
| ENSE00003477470 | 50830279 | 50830380 |
| ENSE00003528368 | 50818211 | 50818282 |
| ENSE00003608837 | 50876486 | 50877177 |
| ENSE00003662327 | 50841766 | 50841900 |
Expression profiles
Bgee: expression breadth ubiquitous, 231 present calls, max score 86.62.
FANTOM5 (CAGE): breadth ubiquitous, TPM avg 83.4044 / max 1756.4253, expressed in 1515 samples.
Highest expression (Bgee): cerebellar vermis, lymph node, endothelial cell, prefrontal cortex, buccal mucosa cell.
Genetic regulation across tissues (GTEx eQTL / sQTL)
BCAS4 is an eGene in GTEx v10 — its expression is genetically regulated (eQTL) in 37 tissues and its splicing (sQTL) in 7 (q < 0.05). Strongest associations first; slope = normalized effect of the lead variant’s alternative allele.
showing 20 of 44 significant tissue × QTL associations:
| Tissue | QTL | q-value | Slope | Lead variant |
|---|---|---|---|---|
| Brain Cortex | eqtl | 5.8e-26 | -0.49 | 20:50877333:G:A |
| Brain Nucleus accumbens basal ganglia | eqtl | 1.4e-22 | -0.47 | 20:50875343:C:T |
| Brain Caudate basal ganglia | eqtl | 2.4e-22 | -0.34 | 20:50877333:G:A |
| Brain Anterior cingulate cortex BA24 | eqtl | 8.2e-22 | -0.43 | 20:50875343:C:T |
| Brain Frontal Cortex BA9 | eqtl | 2.2e-19 | -0.39 | 20:50899563:A:T |
| Brain Cerebellum | eqtl | 1.8e-15 | -0.50 | 20:50877072:G:A |
| Cells EBV-transformed lymphocytes | sqtl | 1.9e-15 | -2.21 | 20:50874636:C:G |
| Cells Cultured fibroblasts | eqtl | 5.3e-15 | +0.31 | 20:50829839:T:A |
| Brain Putamen basal ganglia | eqtl | 2.2e-14 | -0.36 | 20:50877333:G:A |
| Whole Blood | eqtl | 3.6e-13 | +0.17 | 20:50810451:G:T |
| Brain Cerebellar Hemisphere | eqtl | 2.2e-12 | -0.45 | 20:50877333:G:A |
| Cells EBV-transformed lymphocytes | eqtl | 4.8e-11 | +0.45 | 20:50814221:G:A |
| Skin Sun Exposed Lower leg | eqtl | 2.5e-10 | -0.28 | 20:50875343:C:T |
| Esophagus Gastroesophageal Junction | eqtl | 8.5e-10 | -0.22 | 20:50877333:G:A |
| Thyroid | eqtl | 3.8e-09 | -0.23 | 20:50925324:T:C |
| Prostate | eqtl | 3.3e-08 | -0.37 | 20:50899563:A:T |
| Artery Aorta | eqtl | 9.6e-08 | -0.27 | 20:50885630:T:C |
| Artery Tibial | eqtl | 2.7e-07 | -0.18 | 20:50877072:G:A |
| Lung | eqtl | 2.8e-07 | -0.22 | 20:50879641:C:G |
| Esophagus Mucosa | eqtl | 1.1e-06 | -0.23 | 20:50899563:A:T |
FANTOM5 promoters
4 alternative TSS:
| Promoter ID | TPM avg | Samples expressed |
|---|---|---|
| 185292 | 80.9146 | 1497 |
| 185290 | 1.4342 | 308 |
| 185289 | 0.5840 | 189 |
| 185291 | 0.4716 | 134 |
Top tissues by expression
showing 100 of 278 tissues by Bgee expression score (0-100, higher = more expressed):
| Tissue | Anatomy ID | Expression score | Quality |
|---|---|---|---|
| cerebellar vermis | UBERON:0004720 | 86.62 | silver quality |
| lymph node | UBERON:0000029 | 85.19 | gold quality |
| endothelial cell | CL:0000115 | 84.72 | silver quality |
| prefrontal cortex | UBERON:0000451 | 83.72 | gold quality |
| buccal mucosa cell | CL:0002336 | 83.39 | gold quality |
| nucleus accumbens | UBERON:0001882 | 83.06 | gold quality |
| anterior cingulate cortex | UBERON:0009835 | 83.04 | gold quality |
| cingulate cortex | UBERON:0003027 | 82.91 | gold quality |
| stromal cell of endometrium | CL:0002255 | 82.68 | gold quality |
| pigmented layer of retina | UBERON:0001782 | 82.60 | gold quality |
| vena cava | UBERON:0004087 | 82.53 | silver quality |
| right frontal lobe | UBERON:0002810 | 82.37 | gold quality |
| ventricular zone | UBERON:0003053 | 81.94 | gold quality |
| neocortex | UBERON:0001950 | 81.53 | gold quality |
| frontal cortex | UBERON:0001870 | 81.38 | gold quality |
| granulocyte | CL:0000094 | 81.36 | gold quality |
| Ammon’s horn | UBERON:0001954 | 81.20 | gold quality |
| dorsolateral prefrontal cortex | UBERON:0009834 | 81.12 | gold quality |
| cerebral cortex | UBERON:0000956 | 80.54 | gold quality |
| mucosa of stomach | UBERON:0001199 | 80.23 | gold quality |
| middle temporal gyrus | UBERON:0002771 | 80.15 | gold quality |
| lateral nuclear group of thalamus | UBERON:0002736 | 80.06 | silver quality |
| telencephalon | UBERON:0001893 | 79.96 | gold quality |
| caudate nucleus | UBERON:0001873 | 79.76 | gold quality |
| tonsil | UBERON:0002372 | 79.45 | gold quality |
| primary visual cortex | UBERON:0002436 | 79.37 | gold quality |
| Brodmann (1909) area 9 | UBERON:0013540 | 79.34 | gold quality |
| ascending aorta | UBERON:0001496 | 79.28 | gold quality |
| cortical plate | UBERON:0005343 | 79.22 | gold quality |
| thoracic aorta | UBERON:0001515 | 79.19 | gold quality |
| Brodmann (1909) area 23 | UBERON:0013554 | 79.12 | gold quality |
| descending thoracic aorta | UBERON:0002345 | 79.11 | gold quality |
| forebrain | UBERON:0001890 | 78.97 | gold quality |
| putamen | UBERON:0001874 | 78.87 | gold quality |
| spleen | UBERON:0002106 | 78.77 | gold quality |
| ganglionic eminence | UBERON:0004023 | 78.65 | gold quality |
| right coronary artery | UBERON:0001625 | 78.46 | gold quality |
| brain | UBERON:0000955 | 78.27 | gold quality |
| entorhinal cortex | UBERON:0002728 | 77.99 | gold quality |
| saphenous vein | UBERON:0007318 | 77.93 | silver quality |
| primordial germ cell in gonad | CL:0000670 ∩ UBERON:0000991 | 77.91 | gold quality |
| pons | UBERON:0000988 | 77.82 | gold quality |
| temporal lobe | UBERON:0001871 | 77.80 | gold quality |
| occipital lobe | UBERON:0002021 | 77.78 | gold quality |
| amygdala | UBERON:0001876 | 77.70 | gold quality |
| cerebellar cortex | UBERON:0002129 | 77.15 | gold quality |
| right hemisphere of cerebellum | UBERON:0014890 | 77.12 | gold quality |
| skeletal muscle tissue of biceps brachii | UBERON:0004502 | 77.08 | gold quality |
| cerebellar hemisphere | UBERON:0002245 | 77.04 | gold quality |
| aorta | UBERON:0000947 | 77.02 | gold quality |
| blood | UBERON:0000178 | 76.94 | gold quality |
| olfactory segment of nasal mucosa | UBERON:0005386 | 76.87 | gold quality |
| superior frontal gyrus | UBERON:0002661 | 76.86 | gold quality |
| superior surface of tongue | UBERON:0007371 | 76.78 | gold quality |
| cerebellum | UBERON:0002037 | 76.44 | gold quality |
| cardia of stomach | UBERON:0001162 | 76.31 | gold quality |
| substantia nigra pars compacta | UBERON:0001965 | 76.30 | gold quality |
| epithelium of nasopharynx | UBERON:0001951 | 76.28 | gold quality |
| caecum | UBERON:0001153 | 76.07 | gold quality |
| parietal lobe | UBERON:0001872 | 76.01 | gold quality |
| lateral globus pallidus | UBERON:0002476 | 75.98 | silver quality |
| postcentral gyrus | UBERON:0002581 | 75.90 | gold quality |
| ventral tegmental area | UBERON:0002691 | 75.82 | silver quality |
| oocyte | CL:0000023 | 75.67 | silver quality |
| popliteal artery | UBERON:0002250 | 75.41 | gold quality |
| islet of Langerhans | UBERON:0000006 | 75.39 | gold quality |
| tibial artery | UBERON:0007610 | 75.37 | gold quality |
| vermiform appendix | UBERON:0001154 | 75.28 | gold quality |
| gingival epithelium | UBERON:0001949 | 75.27 | silver quality |
| coronary artery | UBERON:0001621 | 75.19 | gold quality |
| cauda epididymis | UBERON:0004360 | 75.18 | gold quality |
| tongue | UBERON:0001723 | 75.16 | silver quality |
| hypothalamus | UBERON:0001898 | 75.14 | gold quality |
| subthalamic nucleus | UBERON:0001906 | 75.02 | silver quality |
| male germ line stem cell (sensu Vertebrata) in testis | CL:0000089 ∩ UBERON:0000473 | 74.99 | gold quality |
| pericardium | UBERON:0002407 | 74.89 | gold quality |
| left coronary artery | UBERON:0001626 | 74.78 | gold quality |
| substantia nigra pars reticulata | UBERON:0001966 | 74.78 | gold quality |
| trachea | UBERON:0003126 | 74.73 | silver quality |
| inferior vagus X ganglion | UBERON:0005363 | 74.71 | silver quality |
| pylorus | UBERON:0001166 | 74.69 | silver quality |
| trigeminal ganglion | UBERON:0001675 | 74.65 | silver quality |
| biceps brachii | UBERON:0001507 | 74.61 | gold quality |
| bronchial epithelial cell | CL:0002328 | 74.44 | gold quality |
| dorsal root ganglion | UBERON:0000044 | 74.40 | gold quality |
| amniotic fluid | UBERON:0000173 | 74.40 | gold quality |
| superior vestibular nucleus | UBERON:0007227 | 74.36 | gold quality |
| prostate gland | UBERON:0002367 | 74.34 | gold quality |
| heart right ventricle | UBERON:0002080 | 74.21 | gold quality |
| midbrain | UBERON:0001891 | 74.06 | gold quality |
| dorsal plus ventral thalamus | UBERON:0001897 | 74.04 | silver quality |
| decidua | UBERON:0002450 | 74.02 | gold quality |
| substantia nigra | UBERON:0002038 | 73.88 | gold quality |
| fundus of stomach | UBERON:0001160 | 73.80 | gold quality |
| globus pallidus | UBERON:0001875 | 73.75 | silver quality |
| endocervix | UBERON:0000458 | 73.67 | gold quality |
| body of uterus | UBERON:0009853 | 73.65 | gold quality |
| secondary oocyte | CL:0000655 | 73.64 | silver quality |
| lower lobe of lung | UBERON:0008949 | 73.53 | silver quality |
| esophagogastric junction muscularis propria | UBERON:0035841 | 73.47 | gold quality |
Single-cell (SCXA)
Detected in 8 experiment(s), a significant marker in 7.
| Experiment | Marker? | Max mean expression |
|---|---|---|
| E-CURD-112 | yes | 191686.57 |
| E-MTAB-7407 | yes | 88141.46 |
| E-MTAB-9543 | yes | 11134.64 |
| E-MTAB-9221 | yes | 787.30 |
| E-ANND-3 | yes | 21.39 |
| E-CURD-122 | yes | 18.08 |
| E-GEOD-130148 | yes | 9.35 |
| E-MTAB-8498 | no | 56.67 |
HPA expression
RNA tissue specificity: Tissue enhanced
showing 60 of 78 HPA tissues / cells by nTPM:
| Tissue / cell | Axis | nTPM | Protein (IHC) |
|---|---|---|---|
| Tonsil | tissue | 39.1 | medium |
| Lymph node | tissue | 38.8 | low |
| Hippocampus | tissue | 32.4 | medium |
| Postcentral gyrus | tissue | 22.5 | |
| Choroid plexus | tissue | 20.5 | |
| Nucleus accumbens | tissue | 19.1 | |
| Thymus | tissue | 18.8 | |
| Basal ganglia | tissue | 16.1 | medium |
| Cerebral cortex | tissue | 14.9 | medium |
| Somatosensory cortex | tissue | 14.9 | |
| Locus coeruleus | tissue | 14.5 | |
| Hippocampal formation | tissue | 14.4 | |
| Entorhinal cortex | tissue | 14.4 | |
| Temporal cortex | tissue | 14.3 | |
| Occipital cortex | tissue | 13.8 | |
| Putamen | tissue | 13.1 | |
| Prefrontal cortex | tissue | 13.0 | |
| Cingulate cortex | tissue | 13.0 | |
| Motor cortex | tissue | 12.8 | |
| Ventral pallidum | tissue | 12.3 | |
| Appendix | tissue | 12.3 | high |
| Insular cortex | tissue | 12.3 | |
| Olfactory bulb | tissue | 12.1 | |
| Retrosplenial cortex | tissue | 11.7 | |
| Pons | tissue | 11.4 | |
| Superior colliculi | tissue | 11.0 | |
| Midbrain | tissue | 10.9 | |
| Septum | tissue | 10.9 | |
| Thalamus | tissue | 10.8 | |
| Medulla oblongata | tissue | 10.4 | |
| Spinal cord | tissue | 9.8 | |
| Substantia nigra | tissue | 9.6 | |
| Periaqueductal gray | tissue | 9.5 | |
| Spleen | tissue | 9.4 | medium |
| Amygdala | tissue | 9.3 | |
| Cerebellum | tissue | 9.2 | medium |
| Hypothalamus | tissue | 9.0 | |
| Parathyroid gland | tissue | 8.4 | high |
| Seminal vesicle | tissue | 8.2 | medium |
| Corpus callosum | tissue | 8.0 | |
| Pituitary gland | tissue | 6.1 | |
| Thyroid gland | tissue | 5.9 | medium |
| Urinary bladder | tissue | 5.8 | high |
| Epididymis | tissue | 5.7 | high |
| Prostate | tissue | 5.6 | high |
| Vagina | tissue | 4.3 | medium |
| Esophagus | tissue | 4.2 | high |
| Salivary gland | tissue | 3.9 | medium |
| Stomach 1 | tissue | 3.7 | medium |
| Endometrium 1 | tissue | 3.6 | medium |
| Bone marrow | tissue | 3.6 | low |
| Placenta | tissue | 3.4 | high |
| Breast | tissue | 3.3 | medium |
| Testis | tissue | 3.2 | medium |
| Lung | tissue | 3.2 | medium |
| Heart muscle | tissue | 3.1 | high |
| Gallbladder | tissue | 3.1 | high |
| Fallopian tube | tissue | 3.1 | medium |
| Smooth muscle | tissue | 3.0 | medium |
| Pancreas | tissue | 2.8 | medium |
Brain sub-regions (HPA Brain Atlas): detected in 192; highest nTPM — Hippocampus, CA1 (41.9), Posterior cingulate cortex (41.5), Hippocampus, CA3 (36.4), Hippocampus, CA2 (35.7), Dentate gyrus (33.5).
Regulation
Is transcription factor: no
miRNA regulators (miRDB)
Targeting BCAS4 by miRDB confidence (max_score; target_count = how many genes the miRNA targets in total — lower means more specific).
21 miRNAs:
| miRNA | Max score | Avg score | miRNA target_count |
|---|---|---|---|
| HSA-MIR-3163 | 100.00 | 77.23 | 8605 |
| HSA-MIR-4533 | 100.00 | 69.48 | 2758 |
| HSA-MIR-520D-5P | 99.98 | 73.34 | 4883 |
| HSA-MIR-524-5P | 99.98 | 73.43 | 4882 |
| HSA-MIR-515-5P | 99.92 | 69.82 | 2343 |
| HSA-MIR-519E-5P | 99.92 | 69.62 | 2358 |
| HSA-MIR-4306 | 99.72 | 70.50 | 3630 |
| HSA-MIR-3177-5P | 99.65 | 70.38 | 1174 |
| HSA-MIR-1827 | 99.63 | 68.57 | 3265 |
| HSA-MIR-3120-3P | 99.54 | 70.28 | 2669 |
| HSA-MIR-7106-5P | 99.53 | 67.47 | 3574 |
| HSA-MIR-766-5P | 99.47 | 67.91 | 2225 |
| HSA-MIR-3612 | 99.45 | 66.02 | 1333 |
| HSA-MIR-650 | 99.45 | 65.77 | 1309 |
| HSA-MIR-519D-5P | 99.41 | 69.30 | 2057 |
| HSA-MIR-185-5P | 99.35 | 68.60 | 2497 |
| HSA-MIR-4644 | 99.35 | 69.12 | 2514 |
| HSA-MIR-548AS-3P | 99.12 | 69.12 | 2294 |
| HSA-MIR-6770-5P | 98.97 | 66.76 | 1853 |
| HSA-MIR-4483 | 98.09 | 64.12 | 1642 |
| HSA-MIR-4638-3P | 97.90 | 65.75 | 905 |
Functional genomics
gnomAD constraint: pLI 0.0103, LOEUF 1.08, missense Z 0.153 — population loss-of-function intolerance (pLI ≥ 0.9 = LoF-intolerant; lower LOEUF = more constrained). gnomAD
Regional missense constraint (gnomAD RMC): no regional variation along ENST00000371608 — one region, missense o/e 0.94.
Literature-anchored findings (GeneRIF, showing 1)
- BCAS3 (17q23) and BCAS4 (20q13) undergo amplification, overexpression, and fusion in breast cancer. (PMID:12378525)
Cross-species orthologs
1 orthologs
| Organism | Symbol | Gene ID |
|---|---|---|
| drosophila_melanogaster | Blos4 | FBGN0036105 |
Paralogs (1): BLOC1S4 (ENSG00000186222)
Additional cross-species homologs
Sequence homologs in species beyond Ensembl Compara’s model organisms, by Diamond local protein alignment (% sequence identity; best hit per species). Lower-identity rows are more distant homologs. The matched accessions’ gene symbols aren’t in biobtree yet, so each row shows the UniProt accession.
| Organism | UniProt | Identity | Method |
|---|---|---|---|
| Mus musculus | Q8VED2 | 81.6% | Diamond |
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 |
|---|---|---|
| ADNP | protein-coding | 23394 |
| MOCS3 | protein-coding | 27304 |
| KCNG1 | protein-coding | 3755 |
| DPM1 | protein-coding | 8813 |
| RIPOR3-AS1 | ncRNA | 100506175 |
| RIPOR3 | protein-coding | 140876 |
| PARD6B | protein-coding | 84612 |
| ADNP-AS1 | ncRNA | 101927631 |
| MIR1302-5 | ncRNA | 100302146 |
| PTPN1 | protein-coding | 5770 |
| MIR645 | ncRNA | 693230 |
Protein
Protein identifiers
Breast carcinoma-amplified sequence 4 — Q8TDM0 (reviewed: Q8TDM0)
All UniProt accessions (5): A0A0C4DGS6, A0A0C4DH49, A0A804CEY2, H7C4Y8, Q8TDM0
UniProt curated annotations — full annotation on UniProt →
Subcellular location. Cytoplasm.
Tissue specificity. Brain, thymus, spleen, kidney and placenta. Overexpressed in most breast cancer cell lines.
Disease relevance. A chromosomal aberration involving BCAS4 has been found in some breast carcinoma cell lines. Translocation t(17;20)(q23;q13) with BCAS3.
Similarity. Belongs to the cappuccino family.
Isoforms (3)
| UniProt ID | Names | Canonical? |
|---|---|---|
| Q8TDM0-1 | 1 | yes |
| Q8TDM0-2 | 2 | |
| Q8TDM0-3 | 3 |
RefSeq proteins (3): NP_001010974, NP_060313, NP_942094* (*=MANE)
Domains & families (InterPro)
| ID | Name | Type |
|---|---|---|
| IPR024857 | Cappuccino | Family |
UniProt features (9 total): splice variant 4, sequence variant 2, chain 1, region of interest 1, site 1
Structure
Predicted structure (AlphaFold)
| Model | pLDDT | Fraction very-high |
|---|---|---|
| AF-Q8TDM0-F1 | 72.40 | 0.36 |
Human Protein Atlas
Protein class: Predicted intracellular proteins, Disease related genes
Protein evidence: Evidence at protein level
Subcellular location (HPA, imaging): cytosol; intermediate filaments
Antibody reliability (HPA): IH uncertain · IF approved
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 (1)
| Position | Role |
|---|---|
| 60–61 | breakpoint for translocation to form bcas4-bcas3 |
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: 71 (showing top):
GCANCTGNY_MYOD_Q6, LIAO_METASTASIS, MODULE_95, GOCC_BLOC_1_COMPLEX, NUYTTEN_EZH2_TARGETS_DN, GOCC_BLOC_COMPLEX, NIKOLSKY_BREAST_CANCER_20Q12_Q13_AMPLICON, GINESTIER_BREAST_CANCER_20Q13_AMPLIFICATION_UP, MODULE_49, LU_EZH2_TARGETS_UP, PEDRIOLI_MIR31_TARGETS_UP, MODULE_163, DCA_UP.V1_UP, CHAF1B_TARGET_GENES, DROSHA_TARGET_GENES
GO Cellular Component (2): cytoplasm (GO:0005737), BLOC-1 complex (GO:0031083)
GO top-level categories
3 GO namespaces:
| Category | Terms |
|---|---|
| intracellular anatomical structure | 1 |
| cellular anatomical structure | 1 |
| BLOC complex | 1 |
Protein interactions and networks
STRING
showing 15 of 462 interactions by confidence (×1000):
| Protein A | Protein B | Partner UniProt | Score |
|---|---|---|---|
| BCAS4 | BCAS3 | Q9H6U6 | 969 |
| BCAS4 | ZC3H12D | A2A288 | 531 |
| BCAS4 | BCAS2 | O75934 | 473 |
| BCAS4 | ARFGEF2 | Q9Y6D5 | 466 |
| BCAS4 | SHISA7 | A6NL88 | 429 |
| BCAS4 | SULF2 | Q8IWU5 | 408 |
| BCAS4 | NPIPA9 | A0A0B4J1W7 | 400 |
| BCAS4 | BCAS1 | O75363 | 396 |
| BCAS4 | MTA1 | Q13330 | 395 |
| BCAS4 | FAM209B | Q5JX69 | 375 |
| BCAS4 | PFDN4 | Q9NQP4 | 371 |
| BCAS4 | OR9K2 | Q8NGE7 | 370 |
| BCAS4 | CDC27 | P30260 | 370 |
| BCAS4 | TAB3 | Q8N5C8 | 370 |
| BCAS4 | PHACTR3 | Q96KR7 | 370 |
IntAct
Human interaction partners of BCAS4 in IntAct, one row per partner (best MIscore; records = supporting IntAct interaction records).
1 partners by confidence:
| Partner | Interaction type | MIscore | Records |
|---|---|---|---|
| SNAPIN | association | 0.350 | 2 |
BioGRID (41 interactions; top human partners by supporting records): BLOC1S1 (Affinity Capture-MS; 4 records), ATG4A (Affinity Capture-MS; 3 records), BLOC1S2 (Affinity Capture-MS; 3 records), BLOC1S3 (Affinity Capture-MS; 3 records), BLOC1S5 (Affinity Capture-MS; 3 records), BLOC1S6 (Affinity Capture-MS; 3 records), DTNBP1 (Affinity Capture-MS; 3 records), LOH12CR1 (Affinity Capture-MS; 3 records), PKD2 (Affinity Capture-MS; 3 records), SNAPIN (Affinity Capture-MS; 3 records), SRCIN1 (Affinity Capture-MS; 3 records), C10orf32 (Affinity Capture-MS; 2 records), DPY30 (Two-hybrid), EGFR (Negative Genetic), ENKD1 (Two-hybrid)
Disease & clinical
Genetic variants
Variant evidence for BCAS4: 51 ClinVar records (0 pathogenic / likely pathogenic); 5 GWAS associations.
ClinVar
51 variants total. Per-class counts are floors (≥ shown; pagination cap):
| Classification | Count (floor) |
|---|---|
| Pathogenic | 0 |
| Likely pathogenic | 0 |
| Uncertain significance | 34 |
| Likely benign | 8 |
| Benign | 2 |
SpliceAI
Top 10 splice-impact sites by Δscore (adjacent positions with the same effect merged into one range; 35 predictions of 824):
| Position(s) | Effect | Δscore | Sites |
|---|---|---|---|
| 20:50795174–50795175 | donor_loss | 1.0000 | 4 |
| 20:50818209–50818210 | acceptor_loss | 1.0000 | 6 |
| 20:50830277–50830278 | acceptor_loss | 1.0000 | 6 |
| 20:50830381–50830382 | donor_loss | 1.0000 | 4 |
| 20:50841898 | donor_gain | 1.0000 | |
| 20:50876484–50876485 | acceptor_loss | 1.0000 | 6 |
| 20:50795174 | donor_loss | 0.9900 | |
| 20:50830381 | donor_loss | 0.9900 | |
| 20:50841901–50841902 | donor_loss | 0.9900 | 5 |
| 20:50805039 | donor_gain | 0.9800 |
AlphaMissense
175 missense substitutions predicted likely pathogenic (of 1,308 scored), across 66 residues. Top 20 hotspot residues, ranked by the number of likely-pathogenic substitutions (of those reachable by a single-nucleotide change), then by mean score:
| Residue | Likely-pathogenic substitutions | Mean am_pathogenicity | Max am_pathogenicity |
|---|---|---|---|
| F120 | 8 | 0.831 | 0.971 |
| F78 | 7 | 0.874 | 0.975 |
| D88 | 7 | 0.694 | 0.862 |
| M71 | 6 | 0.652 | 0.692 |
| V121 | 5 | 0.709 | 0.951 |
| E132 | 5 | 0.693 | 0.771 |
| D115 | 5 | 0.611 | 0.701 |
| I85 | 4 | 0.825 | 0.935 |
| R86 | 4 | 0.800 | 0.849 |
| E118 | 4 | 0.692 | 0.751 |
| W152 | 4 | 0.667 | 0.760 |
| F52 | 3 | 0.866 | 0.866 |
| M107 | 3 | 0.835 | 0.848 |
| M123 | 3 | 0.815 | 0.815 |
| L117 | 3 | 0.809 | 0.883 |
| I92 | 3 | 0.803 | 0.919 |
| M31 | 3 | 0.798 | 0.798 |
| L100 | 3 | 0.796 | 0.847 |
| K103 | 3 | 0.787 | 0.794 |
| V124 | 3 | 0.769 | 0.919 |
HPA cancer prognostics
RNA cancer specificity: Low cancer specificity
Human Protein Atlas survival analysis — favorable = higher expression predicts better survival.
1 prognostic cancer types:
| Cancer | Prognostic | p-value |
|---|---|---|
| Rectum Adenocarcinoma (validation) | favorable | 1.44e-07 |
Disease associations
OMIM: gene MIM:607471 | disease phenotypes:
GWAS associations
5 associations:
| Study | Trait | p-value |
|---|---|---|
| GCST008871_14 | Basal cell carcinoma | 5e-17 |
| GCST90013410_70 | Basal cell carcinoma | 2e-16 |
| GCST008870_31 | Keratinocyte cancer (MTAG) | 2e-13 |
| GCST007637_54 | Diffusing capacity of carbon monoxide | 5e-6 |
| GCST003487_1 | Response to fenofibrate (total cholesterol levels) | 7e-6 |
EFO canonical traits (from GWAS)
3 canonical traits:
| EFO ID | Trait name |
|---|---|
| EFO:0007806 | total cholesterol change measurement |
| EFO:0009369 | diffusing capacity of the lung for carbon monoxide |
| EFO:0010176 | keratinocyte carcinoma |
Drugs & pharmacology
Drug and pharmacology data
Is drug target: no
PharmGKB: 1 entry (CPIC guideline: no)
CTD chemical–gene interactions
40 total (human), top 30 by PubMed support.
| Chemical | Actions (top 5) | PubMed papers |
|---|---|---|
| Valproic Acid | increases expression, affects expression | 3 |
| Benzo(a)pyrene | affects methylation | 2 |
| Aflatoxin B1 | affects methylation, increases methylation | 2 |
| aristolochic acid I | increases expression | 1 |
| bisphenol F | affects cotreatment, decreases expression | 1 |
| triphenyl phosphate | affects expression | 1 |
| bisphenol A | affects cotreatment, decreases expression | 1 |
| trichostatin A | affects expression | 1 |
| 11-nor-delta(9)-tetrahydrocannabinol-9-carboxylic acid | affects methylation, increases abundance | 1 |
| butyraldehyde | increases expression | 1 |
| benzo(e)pyrene | increases methylation | 1 |
| aflatoxin B2 | increases methylation | 1 |
| beta-methylcholine | affects expression | 1 |
| CGP 52608 | affects binding, increases reaction | 1 |
| entinostat | increases expression | 1 |
| mesotrione | affects methylation, increases abundance | 1 |
| jinfukang | increases expression | 1 |
| Sunitinib | increases expression | 1 |
| Acetaminophen | increases expression | 1 |
| Air Pollutants | affects expression, increases abundance | 1 |
| Atrazine | increases expression | 1 |
| Cannabinoids | affects methylation, increases abundance | 1 |
| Carbamazepine | affects expression | 1 |
| Cisplatin | affects response to substance | 1 |
| Cytarabine | decreases expression | 1 |
| Dexamethasone | decreases expression, affects cotreatment | 1 |
| Doxorubicin | decreases expression | 1 |
| Ethyl Methanesulfonate | increases expression | 1 |
| Fluorouracil | affects response to substance | 1 |
| Formaldehyde | increases expression | 1 |
Clinical trials (associated diseases)
Via MONDO — disease-level, not drug-specific.
Related Atlas pages
- Disease cohort memberships (association, not causation — diseases whose associated-gene cohort lists this gene; a subset are also under Associated diseases): basal cell carcinoma