Transcobalamin

A group of proteins (of intestinal cells) that bind to cyanocobalamin (vitamin B₁₂) and transport it to other tissues.

transcobalamin I (vitamin B12 binding protein, R binder family)
Identifiers
Symbol	TCN1
Entrez	6947
HUGO	11652
OMIM	189905
RefSeq	NM_001062
UniProt	P20061
Other data
Locus	Chr. 11 q11-q12

transcobalamin II; macrocytic anemia
Identifiers
Symbol	TCN2
Entrez	6948
HUGO	11653
OMIM	275350
RefSeq	NM_000355
UniProt	P20062
Other data
Locus	Chr. 22 q11.2-qter

Transcobalamins are carrier proteins which bind cyanocobalamin (B12).

External links

• Transcobalamins at eMedicine Dictionary
• MeSH Transcobalamins

This biochemistry article is a stub. You can help Wikipedia by expanding it.

v • d • e Proteins: carrier proteins Fatty acid FABP1 · FABP2 · FABP3 · FABP4 · FABP5 · FABP6 · FABP7 Hormone Follistatin · Growth hormone binding protein · Insulin-like growth factor binding protein (IGFBP1, IGFBP2, IGFBP3, IGFBP4, IGFBP5, IGFBP6, IGFBP7) · Neurophysins (Neurophysin I, II) Sex hormone binding globulin/Androgen binding protein · Transcortin · Thyroxine-binding globulin · Transthyretin Metal/element calcium (Calcium-binding protein, Calmodulin-binding proteins) · copper (Ceruloplasmin) · iron (Iron-binding proteins, Transferrin receptor) Vitamin Retinol binding protein (4) · Transcobalamin Other Acyl carrier protein · Adaptor protein · Cholesterylester transfer protein · F-box protein · GTP-binding protein · Latent TGF-beta binding protein · Light-harvesting complex · Membrane transport protein

v • d • e Proteins: globulins Serum Alpha globulins serpins: Alpha 1-antichymotrypsin · Alpha 1-antitrypsin · Alpha 2-antiplasmin · Antithrombin (Heparin cofactor II) carrier proteins: Retinol binding protein · Transcortin · Ceruloplasmin other: alpha-2-Macroglobulin · Haptoglobin · Orosomucoid Beta globulins carrier proteins: Sex hormone-binding globulin · Transferrin other: Angiostatin · Haemopexin · Beta-2 microglobulin · Factor H · Plasminogen · Properdin Gamma globulin Immunoglobulins Other Fibronectin · Macroglobulin/Microglobulin · Transcobalamin Other Beta-lactoglobulin (Lactoferrin) · Thyroglobulin · Alpha-lactalbumin

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