Term Name:	magnesium protoporphyrin(2-)
Synonyms:	Mg-protoporphyrin IX
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.
Ontology:	ChEBI [CHEBI:60492]  ( EBI )