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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