CHEBI:33913 - corrinoid

ChEBI IDCHEBI:33913
ChEBI Namecorrinoid
Stars
DefinitionA derivative of the corrin nucleus, which contains four reduced or partly reduced pyrrole rings joined in a macrocycle by three =C‒ groups and one direct carbon-carbon bond linking α positions.
Secondary ChEBI IDsCHEBI:3890, CHEBI:23391
Last Modified25 September 2025
SubmitterKirill Degtyarenko
DownloadsMolfile
FormulaC19CoN4R21
Net Charge0
Average Mass (excl. R groups)343.170
Monoisotopic Mass (excl. R groups)342.94549
SMILES*/C1=C2/N=C(/C(*)=C3\N=C(/C(*)=C4\[N]([Co])C(*)(C(*)(*)C4(*)*)C4(*)N=C1C(*)(*)C4(*)*)C(*)(*)C3(*)*)C(*)(*)C2(*)*
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)
corrinoid (CHEBI:33913) has role cofactor (CHEBI:23357)
corrinoid (CHEBI:33913) is a cyclic tetrapyrrole (CHEBI:36309)
Incoming Relation(s)
5-methoxybenzimidazolylcob(I)amide(1−) (CHEBI:157765) is a corrinoid (CHEBI:33913)
cobalt corrinoid (CHEBI:33906) is a corrinoid (CHEBI:33913)
cobamamide (CHEBI:18408) is a corrinoid (CHEBI:33913)
corrins (CHEBI:23392) is a corrinoid (CHEBI:33913)
corroles (CHEBI:23393) is a corrinoid (CHEBI:33913)
Methylcorrinoid (CHEBI:27833) is a corrinoid (CHEBI:33913)
precorrin (CHEBI:26228) is a corrinoid (CHEBI:33913)
IUPAC Name 
corrinoids
Synonyms  Source
CorrinoidKEGG COMPOUND
KorrinoidChEBI
corrinoïdeIUPAC
corrinoidesIUPAC
corrinoideIUPAC
Corrinoid proteinKEGG COMPOUND
UniProt Name  Source
corrinoidUniProt
Manual XrefsDatabases
C06021KEGG COMPOUND
C06021KEGG COMPOUND