Chemicals and Drugs

Transcobalamins

A group of carrier proteins which bind with VITAMIN B12 in the BLOOD and aid in its transport. Transcobalamin I migrates electrophoretically as a beta-globulin, while transcobalamins II and III migrate as alpha-globulins.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A group of carrier proteins which bind with VITAMIN B12 in the BLOOD and aid in its transport. Transcobalamin I migrates electrophoretically as a beta-globulin, while transcobalamins II and III migrate as alpha-globulins.

MeSH Record

Classification

Related Concepts

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MeSH Record

Synonyms

29 entry terms
  • Cobalamin-Binding Protein
  • Cobalamin-Binding Proteins
  • Transcobalamin
  • Vitamin B 12-Binding Protein
  • Vitamin B 12-Binding Proteins
  • Vitamin B12-Binding Protein
  • Vitamin B12-Binding Proteins
  • B12-Binding Protein, Vitamin
  • Cobalamin Binding Protein
  • Cobalamin Binding Proteins
  • Protein, Cobalamin-Binding
  • Protein, Vitamin B12-Binding
  • Proteins, Cobalamin-Binding
  • Proteins, Vitamin B12-Binding
  • Vitamin B 12 Binding Protein
  • Vitamin B 12 Binding Proteins
  • Vitamin B12 Binding Protein
  • Vitamin B12 Binding Proteins
  • Cobalophilin
  • Haptocorrin
  • Holo-Transcobalamin II
  • R-Binder
  • Transcobalamin (I)
  • Transcobalamin I
  • Transcobalamin II
  • Transcobalamin III
  • Vitamin B 12 Binder
  • Holo Transcobalamin II
  • R Binder

MeSH Record

Aspects Covered

29 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, biosynthesis, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, drug effects, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, ultrastructure, urine.

MeSH Record

History Note

84(75); was see under BLOOD PROTEINS 1975-83

MeSH Record

Previous Indexing

  • Blood Proteins (1973-1974)
  • Carrier Proteins (1973-1974)
  • Vitamin B 12 (1973-1974)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Transcobalamins. Medical Subject Headings (MeSH). 2026. Unique ID D014155. http://id.nlm.nih.gov/mesh/2026/D014155
  2. Transcobalamins. In: Wikidata. https://www.wikidata.org/wiki/Q411927