Homo sapiens Protein: TCN1
Summary
InnateDB Protein IDBP-48701.6
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol TCN1
Protein Name transcobalamin I (vitamin B12 binding protein, R binder family)
Synonyms HC; TC-1; TC1; TCI;
Species Homo sapiens
Ensembl Protein ENSP00000257264
InnateDB Gene IDBG-48699 (TCN1)
Protein Structure
UniProt Annotation
Function Binds vitamin B12 with femtomolar affinity and protects it from the acidic environment of the stomach.
Subcellular Localization Secreted.
Disease Associations
Tissue Specificity Produced by the salivary glands of the oral cavity, in response to ingestion of food. Major constituent of secondary granules in neutrophils. {ECO:0000269PubMed:2777761}.
Comments
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 4 experimentally validated interaction(s) in this database.
Experimentally validated
Total 4 [view]
Protein-Protein 3 [view]
Protein-DNA 1 [view]
Protein-RNA 0
DNA-DNA 0
RNA-RNA 0
DNA-RNA 0
Gene Ontology

Molecular Function
Accession GO Term
GO:0031419 cobalamin binding
Biological Process
GO:0006766 vitamin metabolic process
GO:0006767 water-soluble vitamin metabolic process
GO:0006824 cobalt ion transport
GO:0009235 cobalamin metabolic process
GO:0015889 cobalamin transport
GO:0044281 small molecule metabolic process
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
Protein Structure and Domains
PDB ID
InterPro IPR002157 Cobalamin (vitamin B12)-binding transporter, eukaryotic
PFAM PF01122
PRINTS
PIRSF
SMART
TIGRFAMs
Post-translational Modifications
Modification
Cross-References
SwissProt P20061
PhosphoSite PhosphoSite-P20061
TrEMBL
UniProt Splice Variant
Entrez Gene 6947
UniGene Hs.2012
RefSeq NP_001053
HUGO HGNC:11652
OMIM 189905
CCDS CCDS7978
HPRD 01795
IMGT
EMBL AK292990 AP002347 CH471076 J05068
GenPept AAA61058 BAF85679 EAW73861