Gene Gene information from NCBI Gene database.
Entrez ID 686
Gene name Biotinidase
Gene symbol BTD
Synonyms (NCBI Gene)
-
Chromosome 3
Chromosome location 3p25.1
Summary The protein encoded by this gene functions to recycle protein-bound biotin by cleaving biocytin (biotin-epsilon-lysine), a normal product of carboxylase degradation, resulting in regeneration of free biotin. The encoded protein has also been shown to have
SNPs SNP information provided by dbSNP.
198
SNP ID Visualize variation Clinical significance Consequence
rs13073139 G>A Pathogenic, conflicting-interpretations-of-pathogenicity Genic downstream transcript variant, intron variant, missense variant, coding sequence variant
rs13078881 G>C,T Pathogenic, pathogenic-likely-pathogenic Genic downstream transcript variant, intron variant, missense variant, coding sequence variant
rs28934601 A>G Pathogenic Genic downstream transcript variant, intron variant, missense variant, coding sequence variant
rs34885143 G>A Conflicting-interpretations-of-pathogenicity, pathogenic, likely-benign, uncertain-significance Coding sequence variant, missense variant
rs35034250 C>T Benign-likely-benign, pathogenic, benign Intron variant, coding sequence variant, genic downstream transcript variant, missense variant
miRNA miRNA information provided by mirtarbase database.
154
miRTarBase ID miRNA Experiments Reference
MIRT711068 hsa-miR-1267 HITS-CLIP 19536157
MIRT711067 hsa-miR-367-5p HITS-CLIP 19536157
MIRT711066 hsa-miR-570-3p HITS-CLIP 19536157
MIRT711065 hsa-miR-4743-3p HITS-CLIP 19536157
MIRT711064 hsa-miR-4652-3p HITS-CLIP 19536157
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
13
GO ID Ontology Definition Evidence Reference
GO:0005515 Function Protein binding IPI 28514442, 33961781
GO:0005576 Component Extracellular region IEA
GO:0005576 Component Extracellular region TAS
GO:0005615 Component Extracellular space HDA 16502470
GO:0005759 Component Mitochondrial matrix TAS
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
609019 1122 ENSG00000169814
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P43251
Protein name Biotinidase (Biotinase) (EC 3.5.1.12)
Protein function Catalytic release of biotin from biocytin, the product of biotin-dependent carboxylases degradation.
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00795 CN_hydrolase 75 303 Carbon-nitrogen hydrolase Family
PF19018 Vanin_C 392 543 Vanin C-terminal domain Domain
Sequence
Sequence length 543
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Biotin metabolism
Metabolic pathways
Vitamin digestion and absorption
  Biotin transport and metabolism
Defective BTD causes biotidinase deficiency
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
18
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
Biotinidase deficiency Likely pathogenic; Pathogenic rs745648160, rs2125453296, rs2125486425, rs2125502078, rs2125504069, rs2125500629, rs2125500236, rs2065662435, rs766476582, rs2125503248, rs2065635815, rs2125500515, rs587783004, rs587783005, rs587783006
View all (181 more)
RCV001379913
RCV001389326
RCV001381017
RCV001380155
RCV001784055
View all (201 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
BTD-related disorder Likely pathogenic; Pathogenic rs104893688, rs80338686, rs119103232, rs80338685, rs397514375, rs397514423, rs397514345, rs398123139 RCV004751190
RCV003421895
RCV004751191
RCV004751193
RCV003415728
View all (3 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Colon adenocarcinoma Likely pathogenic; Pathogenic rs397507170 RCV005888842
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Cryptorchidism Pathogenic rs765906887 RCV000415039
★★★★☆
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
ATOPIC ECZEMA GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
AUTISTIC DISORDER CTD, Disgenet
CTD, Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CORONARY ARTERY DISEASE GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
DIVERTICULAR DISEASE GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations