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EC 6.6.1.1 Details
EC number
6.6.1.1
Accepted name
magnesium chelatase
Reaction
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+
Other name(s)
protoporphyrin IX magnesium-chelatase,
protoporphyrin IX Mg-chelatase,
magnesium-protoporphyrin IX chelatase,
magnesium-protoporphyrin chelatase,
magnesium-chelatase,
Mg-chelatase,
Mg-protoporphyrin IX magnesio-lyase
Systematic name
Mg-protoporphyrin IX magnesium-lyase
CAS registry number
9074-88-8
Comment
This is the first committed step of chlorophyll biosynthesis and is a branchpoint of two major routes in the tetrapyrrole pathway.
History
created 2003
EC Tree
2.6.2.1 created 1961, deleted 1965