CHEBI:60492 - magnesium protoporphyrin(2−)

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ChEBI Name magnesium protoporphyrin(2−)
ChEBI ASCII Name magnesium protoporphyrin(2-)
Definition The conjugate base of magnesium protoporphyrin, formed by deprotonation of the carboxyethyl groups at C-13 and C-17. It is the principal species at pH 7.3.
Stars This entity has been manually annotated by the ChEBI Team.
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Formula C34H30MgN4O4
Net Charge -2
Average Mass 582.93140
Monoisotopic Mass 582.21175
SMILES CC1=C(CCC([O-])=O)C2=N\C\1=C/c1c(C)c(C=C)c3\C=C4/N=C(C=c5c(C)c(CCC([O-])=O)c(=C2)n5[Mg]n13)C(C=C)=C/4C
Roles Classification
Biological Role(s): 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).
(via porphyrins )
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ChEBI Ontology
Outgoing magnesium protoporphyrin(2−) (CHEBI:60492) is a magnesium porphyrin (CHEBI:25111)
magnesium protoporphyrin(2−) (CHEBI:60492) is conjugate base of magnesium protoporphyrin (CHEBI:15431)
Incoming magnesium protoporphyrin (CHEBI:15431) is conjugate acid of magnesium protoporphyrin(2−) (CHEBI:60492)
Synonym Source
Mg-protoporphyrin IX UniProt
Last Modified
25 July 2011