EMBL-EBI | Chemical Biology | ChEBI
Example searches: iron*, InChI=1S/CH4O/c1-2/h2H,1H3, caffeine | Advanced Search
We are looking for a new Chemistry curator to join the ChEBI team. Find out more about it here.
CHEBI:26228 - precorrin
| ChEBI ID | CHEBI:26228 |
| ChEBI Name | precorrin |
| Stars | |
| Definition | Any 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 Modified | 10 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 |
|---|---|
| precorrins | ChEBI |