EMBL-EBI | Chemical Biology | ChEBI

Example searches: iron*, InChI=1S/CH4O/c1-2/h2H,1H3, caffeine | Advanced Search

CHEBI:26228 - precorrin

ChEBI IDCHEBI:26228
ChEBI Nameprecorrin
Stars
DefinitionAny of the intermediates in the biosynthesis of vitamin B12 from uroporphyrinogen III that lie on the pathway before the formation of the first corrin macrocycle. The figure after 'precorrin' corresponds to the number of C-methyl groups introduced into the tetrapyrrole framework.
Last Modified10 January 2013
Roles Classification
Biological Role:
cofactor  An organic molecule or ion (usually a metal ion) that is required by an enzyme for its activity. It may be attached either loosely (coenzyme) or tightly (prosthetic group).
ChEBI Ontology
Outgoing Relation(s)
precorrin (CHEBI:26228) is a corrinoid (CHEBI:33913)
Incoming Relation(s)
hydrogenobyrinic acid (CHEBI:17926) is a precorrin (CHEBI:26228)
hydrogenobyrinic acid a,c-diamide (CHEBI:27914) is a precorrin (CHEBI:26228)
precorrin-1 (CHEBI:52469) is a precorrin (CHEBI:26228)
precorrin-2 (CHEBI:50602) is a precorrin (CHEBI:26228)
precorrin-3A (CHEBI:28307) is a precorrin (CHEBI:26228)
precorrin-3B (CHEBI:27711) is a precorrin (CHEBI:26228)
precorrin-4 (CHEBI:16430) is a precorrin (CHEBI:26228)
precorrin-5 (CHEBI:27630) is a precorrin (CHEBI:26228)
precorrin-6X (CHEBI:27513) is a precorrin (CHEBI:26228)
precorrin-6Y (CHEBI:27858) is a precorrin (CHEBI:26228)
precorrin-7 (CHEBI:71566) is a precorrin (CHEBI:26228)
precorrin-8X (CHEBI:28629) is a precorrin (CHEBI:26228)
Synonym  Source
precorrinsChEBI