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BRENDA support

Information on EC 6.6.1.1 - magnesium chelatase

for references in articles please use BRENDA:EC6.6.1.1

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IUBMB Comments

This is the first committed step of chlorophyll biosynthesis and is a branchpoint of two major routes in the tetrapyrrole pathway.

The expected taxonomic range for this enzyme is: Bacteria, Eukaryota, Archaea

Synonyms
magnesium chelatase, mg-chelatase, mg chelatase, chli1, xantha-f, abar/chlh, magnesium-chelatase, mg-chelatase h, chelatase h subunit, chli protein, more

REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+
show the reaction diagram
PATHWAY SOURCE
PATHWAYS
MetaCyc
3,8-divinyl-chlorophyllide a biosynthesis I (aerobic, light-dependent), 3,8-divinyl-chlorophyllide a biosynthesis II (anaerobic), 3,8-divinyl-chlorophyllide a biosynthesis III (aerobic, light independent)
Highest Expressing Human Cell Lines
Cell Line Links Gene Links