6.6.1.1: magnesium chelatase
This is an abbreviated version!
For detailed information about magnesium chelatase, go to the full flat file.
Word Map on EC 6.6.1.1
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6.6.1.1
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chlorophyll
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chloroplast
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tetrapyrrole
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rhodobacter
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protochlorophyllide
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gun4
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bacteriochlorophyll
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5-aminolevulinic
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phytoene
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ferrochelatase
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chlorophyll-deficient
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plastid-to-nucleus
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chlorophyllide
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chlm
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pale-green
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geminivirus
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thermosynechococcus
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protoporphyrinogen
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agriculture
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semi-dominant
- 6.6.1.1
- chlorophyll
- chloroplast
- tetrapyrrole
- rhodobacter
- protochlorophyllide
- gun4
- bacteriochlorophyll
-
5-aminolevulinic
- phytoene
-
ferrochelatase
-
chlorophyll-deficient
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plastid-to-nucleus
- chlorophyllide
- chlm
-
pale-green
- geminivirus
- thermosynechococcus
- protoporphyrinogen
- agriculture
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semi-dominant
Reaction
Synonyms
ABAR, ABAR/CHLH, BchD, BchH, BchI, BchID, chelatase H, chelatase H subunit, ChlD, ChlH, ChlHID, CHLI, CHLI protein, CHLI1, ChlI1a, ChlI1b, ChlII, H subunit of Mg-chelatase, magnesium chelatase, magnesium-chelatase, magnesium-protoporphyrin chelatase, magnesium-protoporphyrin IX chelatase, Mg chelatase, Mg-chelatase, Mg-chelatase H, Mg-chelatase I subunit 1, Mg-protoporphyrin IX magnesio-lyase, Mg2+-chelatase, MGCH, Oil Yellow1, Oy1, protoporphyrin IX magnesium-chelatase, protoporphyrin IX Mg-chelatase, XanF, XanG, XanH, Xantha-f, YGL, ZmChlI
ECTree
6.6.1.1 magnesium chelataseAdvanced search results
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results (Natural Substrates Products
Natural Substrates Products on EC 6.6.1.1 - magnesium chelatase
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NATURAL SUBSTRATE 
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
ATP + deuteroporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-deuteroporphyrin IX + H+
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magnesium chelatase catalyzes the first committed step in chlorophyll biosynthesis
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-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + 2 H+
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-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + 2 H+
-
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + 2 H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + 2 H+
-
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + 2 H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + 2 H+
-
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + 2 H+
-
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + 2 H+
-
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + 2 H+
-
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + 2 H+
Thermosynechococcus vestitus
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-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
insertion of magnesium into protoporphyrin IX by magnesium chelatase is a key step in the chlorophyll biosynthetic pathway
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-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
the enzyme catalyzes the insertion of magnesium into protoporphyrin IX, the first unique step of the chlorophyll biosynthetic pathway
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-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
-
?
ATP + protoporphyrin IX + Mg2+ + H2O
ADP + phosphate + Mg-protoporphyrin IX + H+
-
magnesium chelatase H subunit markedly enhances magnesium protoporphyrin methyltransferase catalysis by accelerating the formation and breakdown of the catalytic intermediate, providing a kinetic link between the first two reactions of chlorophyll biosynthesis with the signalling molecule magnesium protoporphyrin as the common factor
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-
?
additional information
?
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subunit isoform ChlI2 shows ATPase activity, but with lower Vmax and higher Km value than isoform ChlI1. Although it plays a limited role in chlorophyll biosynthesis, it certainly contributes to the assembly of the Mg-chelatase complex
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-
?
additional information
?
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using a surface plasmon resonance system, it is shown that abscisic acid binds to CHLH, but not to the other Mg-chelatase components/subunits CHLI, CHLD (D subunit) and GUN4
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-
?
additional information
?
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mutant with a non-functional magnesium chelatase subunit D assembles a Zn-BChl photosystem
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-
?
additional information
?
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the pattern of changes in RNA transcript levels of the magnesium chelatase genes, chlH, chlD and chlI of Chlamydomonas reinhardtii grown under synchronous culture conditions in light/dark cycles are similar. Light is involved in regulation
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-
?
additional information
?
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BchH is the rate-limiting component of Mg chelatase in cell extracts, and its slective inactivation during adaption to aerobic growth may account for the rapid inactivation of Mg chelatase in vivo when anaerobically growing cells are exposed to O2 in the light
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-
?
additional information
?
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BchH is the rate-limiting component of Mg chelatase in cell extracts, and its slective inactivation during adaption to aerobic growth may account for the rapid inactivation of Mg chelatase in vivo when anaerobically growing cells are exposed to O2 in the light
-
-
?
additional information
?
-
BchH is the rate-limiting component of Mg chelatase in cell extracts, and its slective inactivation during adaption to aerobic growth may account for the rapid inactivation of Mg chelatase in vivo when anaerobically growing cells are exposed to O2 in the light
-
-
?
