Gene Gene information from NCBI Gene database.
Entrez ID 3052
Gene name Holocytochrome c synthase
Gene symbol HCCS
Synonyms (NCBI Gene)
CCHLLSDMCA1MCOPS7MLS
Chromosome X
Chromosome location Xp22.2
Summary The protein encoded by this gene is an enzyme that covalently links a heme group to the apoprotein of cytochrome c. Defects in this gene are a cause of microphthalmia syndromic type 7 (MCOPS7). Three transcript variants encoding the same protein have been
SNPs SNP information provided by dbSNP.
6
SNP ID Visualize variation Clinical significance Consequence
rs121917888 C>T Pathogenic Coding sequence variant, stop gained
rs121917889 C>T Pathogenic Coding sequence variant, missense variant
rs144641429 G>A Conflicting-interpretations-of-pathogenicity, benign Missense variant, 5 prime UTR variant, coding sequence variant
rs193929392 G>A Pathogenic Missense variant, coding sequence variant
rs367601527 C>T Conflicting-interpretations-of-pathogenicity Missense variant, coding sequence variant
miRNA miRNA information provided by mirtarbase database.
388
miRTarBase ID miRNA Experiments Reference
MIRT020136 hsa-miR-130b-3p Sequencing 20371350
MIRT023250 hsa-miR-122-5p Proteomics 21750653
MIRT025988 hsa-miR-148a-3p Sequencing 20371350
MIRT027992 hsa-miR-93-5p Sequencing 20371350
MIRT124918 hsa-miR-4524b-3p PAR-CLIP 22012620
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
21
GO ID Ontology Definition Evidence Reference
GO:0004408 Function Holocytochrome-c synthase activity IBA
GO:0004408 Function Holocytochrome-c synthase activity IDA 23150584
GO:0004408 Function Holocytochrome-c synthase activity IEA
GO:0004408 Function Holocytochrome-c synthase activity TAS 8661044
GO:0005515 Function Protein binding IPI 28514442, 32296183, 32814053, 33961781
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
300056 4837 ENSG00000004961
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P53701
Protein name Holocytochrome c-type synthase (EC 4.4.1.17) (Cytochrome c-type heme lyase)
Protein function Lyase that catalyzes the covalent linking of the heme group to the cytochrome C apoprotein to produce the mature functional cytochrome.
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF01265 Cyto_heme_lyase 3 263 Cytochrome c/c1 heme lyase Family
Sequence
Sequence length 268
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG 
  Porphyrin metabolism
Metabolic pathways
 
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
8
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
HCCS-related disorder Likely pathogenic rs121917889 RCV003398486
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Linear skin defects with multiple congenital anomalies 1 Pathogenic; Likely pathogenic rs121917888, rs121917889, rs2518472366, rs2045455875 RCV000020631
RCV000020632
RCV003990036
RCV001269290
★★★★☆
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
History of neurodevelopmental disorder Benign; Likely benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Intellectual disability Conflicting classifications of pathogenicity ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
MICROPHTHALMIA WITH LINEAR SKIN DEFECTS SYNDROME Orphanet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
MICROPHTHALMIA, SYNDROMIC 7 CTD, Disgenet
CTD, Disgenet
★★☆☆☆
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
Absence of septum pellucidum Absence Of Septum Pellucidum HPO_DG
★☆☆☆☆
Found in Text Mining only
Agenesis of corpus callosum Agenesis Of Corpus Callosum HPO_DG
★☆☆☆☆
Found in Text Mining only
Ambiguous Genitalia Ambiguous Genitalia HPO_DG
★☆☆☆☆
Found in Text Mining only
Amelogenesis Imperfecta Amelogenesis imperfecta Pubtator 35243551 Associate
★☆☆☆☆
Found in Text Mining only
Amelogenesis imperfecta local hypoplastic form Amelogenesis imperfecta Pubtator 35243551 Associate
★☆☆☆☆
Found in Text Mining only
Amyotrophic Lateral Sclerosis Amyotrophic lateral sclerosis Pubtator 27282955 Inhibit
★☆☆☆☆
Found in Text Mining only
Aniridia Aniridia Pubtator 39766903 Associate
★☆☆☆☆
Found in Text Mining only
Anophthalmos Syndromic microphthalmia BEFREE 17893649
★☆☆☆☆
Found in Text Mining only
Anophthalmos Anophthalmia Pubtator 39766903 Associate
★☆☆☆☆
Found in Text Mining only
Anophthalmos Syndromic microphthalmia HPO_DG
★☆☆☆☆
Found in Text Mining only