ID   6.6.1.1
DE   magnesium chelatase.
AN   magnesium-chelatase.
AN   magnesium-protoporphyrin chelatase.
AN   magnesium-protoporphyrin IX chelatase.
AN   Mg-chelatase.
AN   Mg-protoporphyrin IX chelatase.
AN   Mg-protoporphyrin IX magnesio-lyase.
AN   protoporphyrin IX magnesium-chelatase.
AN   protoporphyrin IX Mg-chelatase.
CA   ATP + H2O + Mg(2+) + protoporphyrin IX = ADP + 3 H(+) + Mg-protoporphyrin
CA   IX + phosphate.
CC   -!- This is the first committed step of chlorophyll biosynthesis and is a
CC       branchpoint of two major routes in the tetrapyrrole pathway.
DR   O34845, BCHD_CERS4 ;  O50313, BCHD_CHLP8 ;  Q93SW0, BCHD_CHLTE ;
DR   Q9ZGE6, BCHD_HELMO ;  P26175, BCHD_RHOCB ;  Q9RFD5, BCHH_CERS4 ;
DR   O50314, BCHH_CHLP8 ;  P26162, BCHH_RHOCB ;  Q9WXA9, BCHI_ACIRU ;
DR   O30819, BCHI_CERS4 ;  O50312, BCHI_CHLP8 ;  Q93SW1, BCHI_CHLTE ;
DR   P26239, BCHI_RHOCB ;  P26174, BCHO_RHOCA ;  Q9SJE1, CHLD_ARATH ;
DR   B8AMB8, CHLD_ORYSI ;  Q6ATS0, CHLD_ORYSJ ;  O22437, CHLD_PEA   ;
DR   O07345, CHLD_SYNE7 ;  P72772, CHLD_SYNY3 ;  O24133, CHLD_TOBAC ;
DR   Q9FNB0, CHLH_ARATH ;  B8ANF1, CHLH_ORYSI ;  Q10M50, CHLH_ORYSJ ;
DR   P16127, CHLI1_ARATH;  Q5XF33, CHLI2_ARATH;  Q44498, CHLI_ANAVA ;
DR   Q06J65, CHLI_BIGNA ;  Q94FT3, CHLI_CHLRE ;  P56304, CHLI_CHLVU ;
DR   Q9TLX7, CHLI_CYACA ;  P48101, CHLI_CYAPA ;  P31205, CHLI_EUGGR ;
DR   Q39516, CHLI_GUITH ;  Q9MUT3, CHLI_MESVI ;  Q1XD93, CHLI_NEOYE ;
DR   Q9TL08, CHLI_NEPOL ;  P58571, CHLI_NOSS1 ;  Q32742, CHLI_OLILU ;
DR   A2XIK9, CHLI_ORYSI ;  Q53RM0, CHLI_ORYSJ ;  P51394, CHLI_PORPU ;
DR   P93162, CHLI_SOYBN ;  P51634, CHLI_SYNY3 ;  O22436, CHLI_TOBAC ;
DR   P49469, CHLI_TRICV ;
//