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Gene information for CD320 (Homo sapiens)
(Information is obtained from NCBI Gene database)
Entrez gene ID51293
Official gene symbolCD320
Full nameCD320 molecule
Aliases,8D6,8D6A,TCBLR,
Gene summaryThe CD320 antigen gene encodes the transcobalamin receptor (TCBLR). Cellular uptake of cobalamin (vitamin B12) is mediated by receptors expressed on the cell surface. Transcobalamin II (TCN2; MIM 613441), a plasma protein secreted by endothelial cells, binds the cobalamin absorbed in the distal ileum and carries 10 to 30% of total circulating cobalamin. CD320 encodes a transcobalamin receptor that binds TCN2-cobalamin at the plasma membrane and internalizes the complex by endocytosis (Quadros et al., 2009 [PubMed 18779389]).[supplied by OMIM]
LocationChromosome: 19   Locus: 19p13.3-p13.2
Gene position8373240 - 8367011  Map Viewer
Gene orientationminus
Gene size6230 bp
Gene sequence
OMIM ID606475