Gene Gene information from NCBI Gene database.
Entrez ID 617
Gene name BCS1 ubiquinol-cytochrome c reductase complex chaperone
Gene symbol BCS1L
Synonyms (NCBI Gene)
BCSBCS1BJSFLNMSGRACILEHs.6719MC3DN1PTDh-BCSh-BCS1
Chromosome 2
Chromosome location 2q35
Summary This gene encodes a homolog of the S. cerevisiae bcs1 protein which is involved in the assembly of complex III of the mitochondrial respiratory chain. The encoded protein does not contain a mitochondrial targeting sequence but experimental studies confirm
SNPs SNP information provided by dbSNP.
32
SNP ID Visualize variation Clinical significance Consequence
rs121908571 G>A Pathogenic Non coding transcript variant, coding sequence variant, missense variant
rs121908573 G>A,C Pathogenic Non coding transcript variant, 5 prime UTR variant, coding sequence variant, missense variant
rs121908574 G>A Pathogenic Non coding transcript variant, coding sequence variant, missense variant
rs121908577 G>A Pathogenic Non coding transcript variant, coding sequence variant, missense variant
rs121908578 C>T Likely-pathogenic, uncertain-significance, pathogenic Non coding transcript variant, coding sequence variant, missense variant
miRNA miRNA information provided by mirtarbase database.
4
miRTarBase ID miRNA Experiments Reference
MIRT048931 hsa-miR-92a-3p CLASH 23622248
MIRT048239 hsa-miR-196a-5p CLASH 23622248
MIRT046273 hsa-miR-23b-3p CLASH 23622248
MIRT040868 hsa-miR-18a-3p CLASH 23622248
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
20
GO ID Ontology Definition Evidence Reference
GO:0000166 Function Nucleotide binding IEA
GO:0005515 Function Protein binding IPI 18628306, 28514442, 33961781
GO:0005524 Function ATP binding IEA
GO:0005739 Component Mitochondrion HTP 34800366
GO:0005739 Component Mitochondrion IDA 9878253, 18628306
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
603647 1020 ENSG00000074582
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q9Y276
Protein name Mitochondrial chaperone BCS1 (h-BCS1) (EC 3.6.1.-) (BCS1-like protein)
Protein function Chaperone necessary for the incorporation of Rieske iron-sulfur protein UQCRFS1 into the mitochondrial respiratory chain complex III (PubMed:11528392, PubMed:9878253). Plays an important role in the maintenance of mitochondrial tubular networks,
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF08740 BCS1_N 25 191 BCS1 N terminal Domain
PF00004 AAA 226 355 ATPase family associated with various cellular activities (AAA) Domain
Tissue specificity TISSUE SPECIFICITY: Ubiquitous. {ECO:0000269|PubMed:9878253}.
Sequence
Sequence length 419
Interactions View interactions
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
23
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
BCS1L-related disorder Pathogenic; Likely pathogenic rs28937590, rs121908576, rs121908578, rs1939677064 RCV004732532
RCV000260660
RCV004532300
RCV005636942
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
BJORNSTAD SYNDROME WITH MILD MITOCHONDRIAL COMPLEX III DEFICIENCY Likely pathogenic; Pathogenic rs121908578, rs121908579 RCV000006546
RCV000006548
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Clear cell carcinoma of kidney Likely pathogenic; Pathogenic rs754414954 RCV005911109
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
GRACILE syndrome Likely pathogenic; Pathogenic rs775388576, rs754414954, rs754934987, rs1280810181, rs2106324466, rs1559317208, rs778769841, rs1197613485, rs373105002, rs368486097, rs753115642, rs2469880171, rs2469889765, rs2469869076, rs2469879669
View all (49 more)
RCV002486327
RCV005408841
RCV005023143
RCV002499798
RCV001844327
View all (60 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
BJORNSTAD SYNDROME CTD, ClinGen, GWAS catalog, HPO
CTD, ClinGen, GWAS catalog, HPO
CTD, ClinGen, GWAS catalog, HPO
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Colorectal cancer Conflicting classifications of pathogenicity ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Decreased activity of mitochondrial complex III Uncertain significance ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
MITOCHONDRIAL COMPLEX III DEFICIENCY Disgenet, GWAS catalog
Disgenet, GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Acidosis Lactic Lactic acidosis Pubtator 26563427, 31435670, 35305621, 40332224 Associate
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma of colon Adenocarcinoma Of Colon BEFREE 12138246, 1366654, 15231671
★☆☆☆☆
Found in Text Mining only
Adult Fanconi syndrome Fanconi syndrome HPO_DG
★☆☆☆☆
Found in Text Mining only
Alopecia Alopecia HPO_DG
★☆☆☆☆
Found in Text Mining only
alpha Thalassemia Alpha thalassemia Pubtator 27077764, 28395746, 36700476, 6725554 Associate
★☆☆☆☆
Found in Text Mining only
Amyotrophic Lateral Sclerosis Amyotrophic lateral sclerosis Pubtator 37639066 Associate
★☆☆☆☆
Found in Text Mining only
Anemia Anemia Pubtator 28395746 Stimulate
★☆☆☆☆
Found in Text Mining only
Anhidrosis Anhidrosis HPO_DG
★☆☆☆☆
Found in Text Mining only
Bjornstad syndrome Bjornstad syndrome Pubtator 17314340, 20518024, 31435670, 33126389, 40332224 Associate
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Bjornstad Syndrome Orphanet
★☆☆☆☆
Found in Text Mining only