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Literature summary for 6.6.1.1 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

Activating Compound Comment Organism Structure
ATP
-
Nicotiana tabacum

Cloned(Commentary)

Cloned (Comment) Organism
-
Nicotiana tabacum

Molecular Weight [Da]

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

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Nicotiana tabacum O24133 tobacco
-

Reaction

Reaction Comment Organism Reaction ID
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)

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

Subunits

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