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Literature summary extracted from

  • Papenbrock, J.; Grafe, S.; Kruse, E.; Hanel, F.; Grimm, B.
    Mg-chelatase of tobacco: identification of a Chl D cDNA sequence encoding a third subunit, analysis of the interaction of the three subunits with the yeast two-hybrid system, and reconstitution of the enzyme activity by co-expression of recombinant CHL D, CHL H and CHL I (1997), Plant J., 12, 981-990.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
6.6.1.1 ATP
-
Nicotiana tabacum

Cloned(Commentary)

EC Number Cloned (Comment) Organism
6.6.1.1
-
Nicotiana tabacum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
6.6.1.1 82900
-
x * 82900, calculation from sequence of cDNA, D subunit Nicotiana tabacum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
6.6.1.1 ATP + protoporphyrin IX + Mg2+ + H2O Nicotiana tabacum
-
ADP + phosphate + Mg-protoporphyrin IX + H+
-
?

Organism

EC Number Organism UniProt Comment Textmining
6.6.1.1 Nicotiana tabacum O24133 tobacco
-

Reaction

EC Number Reaction Comment Organism Reaction ID
6.6.1.1 ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ subunits H, I and D from bchH, bchI and bchD genes combine to form the enzyme complex, the complex is active only when the three proteins are present Nicotiana tabacum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
6.6.1.1 ATP + protoporphyrin IX + Mg2+ + H2O
-
Nicotiana tabacum ADP + phosphate + Mg-protoporphyrin IX + H+
-
?

Subunits

EC Number Subunits Comment Organism
6.6.1.1 ? x * 82900, calculation from sequence of cDNA, D subunit Nicotiana tabacum
6.6.1.1 More the enzyme has three subunits, ChlI, ChlH and ChlD Nicotiana tabacum