Activating Compound | Comment | Organism | Structure |
---|---|---|---|
ATP | - |
Cereibacter sphaeroides | |
ATP | - |
Rhodobacter capsulatus | |
ATP | required for activation and chelation steps | Pisum sativum |
Cloned (Comment) | Organism |
---|---|
expression of bchD gene in Escherichia coli | Cereibacter sphaeroides |
expression of bchD gene in Escherichia coli | Rhodobacter capsulatus |
General Stability | Organism |
---|---|
high concentrations of protoporphyrin, ATP and Mg2+ during gentle lysis, stabilise | Cucumis sativus |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
membrane | - |
Cucumis sativus | 16020 | - |
additional information | multicomponent enzyme, requires at least two proteins, one membrane-associated and one soluble | Pisum sativum | - |
- |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
46000 | - |
x * 46000, calculation from sequence of cDNA, I subunit | Arabidopsis thaliana |
60000 | - |
x * 60000, calculation from sequence of cDNA, D subunit | Synechocystis sp. |
73000 | - |
x * 73000, calculation from sequence of cDNA, D subunit | Rhodobacter capsulatus |
87000 | - |
x * 87000, calculation from sequence of cDNA, D subunit | Cereibacter sphaeroides |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + protoporphyrin IX + Mg2+ + H2O | Hordeum vulgare | - |
ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? | |
ATP + protoporphyrin IX + Mg2+ + H2O | Pisum sativum | - |
ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? | |
ATP + protoporphyrin IX + Mg2+ + H2O | Arabidopsis thaliana | - |
ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? | |
ATP + protoporphyrin IX + Mg2+ + H2O | Rhodobacter capsulatus | - |
ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? | |
ATP + protoporphyrin IX + Mg2+ + H2O | Cucumis sativus | - |
ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? | |
ATP + protoporphyrin IX + Mg2+ + H2O | Synechocystis sp. | - |
ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Arabidopsis thaliana | - |
- |
- |
Cereibacter sphaeroides | - |
- |
- |
Cucumis sativus | - |
- |
- |
Hordeum vulgare | - |
- |
- |
Pisum sativum | - |
- |
- |
Rhodobacter capsulatus | - |
- |
- |
Synechocystis sp. | P51634 | - |
- |
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 | Cereibacter sphaeroides | |
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 | Arabidopsis thaliana | |
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 | Rhodobacter capsulatus | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | complex three-subunit enzyme | Cereibacter sphaeroides | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | complex three-subunit enzyme | Pisum sativum | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | complex three-subunit enzyme | Arabidopsis thaliana | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | complex three-subunit enzyme | Rhodobacter capsulatus | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | complex three-subunit enzyme | Cucumis sativus | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | complex three-subunit enzyme | Synechocystis sp. | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | this is the first committed step of chlorophyll biosynthesis and is a branchpoint of two major routes in the tetrapyrrole pathway | Cereibacter sphaeroides | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | this is the first committed step of chlorophyll biosynthesis and is a branchpoint of two major routes in the tetrapyrrole pathway | Hordeum vulgare | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | this is the first committed step of chlorophyll biosynthesis and is a branchpoint of two major routes in the tetrapyrrole pathway | Pisum sativum | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | this is the first committed step of chlorophyll biosynthesis and is a branchpoint of two major routes in the tetrapyrrole pathway | Arabidopsis thaliana | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | this is the first committed step of chlorophyll biosynthesis and is a branchpoint of two major routes in the tetrapyrrole pathway | Rhodobacter capsulatus | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | this is the first committed step of chlorophyll biosynthesis and is a branchpoint of two major routes in the tetrapyrrole pathway | Cucumis sativus | |
ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+ | this is the first committed step of chlorophyll biosynthesis and is a branchpoint of two major routes in the tetrapyrrole pathway | Synechocystis sp. |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + protoporphyrin IX + Mg2+ + H2O | - |
Cereibacter sphaeroides | ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? | |
ATP + protoporphyrin IX + Mg2+ + H2O | - |
Hordeum vulgare | ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? | |
ATP + protoporphyrin IX + Mg2+ + H2O | - |
Pisum sativum | ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? | |
ATP + protoporphyrin IX + Mg2+ + H2O | - |
Arabidopsis thaliana | ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? | |
ATP + protoporphyrin IX + Mg2+ + H2O | - |
Rhodobacter capsulatus | ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? | |
ATP + protoporphyrin IX + Mg2+ + H2O | - |
Cucumis sativus | ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? | |
ATP + protoporphyrin IX + Mg2+ + H2O | - |
Synechocystis sp. | ADP + phosphate + Mg-protoporphyrin IX + H+ | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | - |
Hordeum vulgare |
? | x * 73000, calculation from sequence of cDNA, D subunit | Rhodobacter capsulatus |
? | x * 46000, calculation from sequence of cDNA, I subunit | Arabidopsis thaliana |
? | x * 87000, calculation from sequence of cDNA, D subunit | Cereibacter sphaeroides |
? | x * 60000, calculation from sequence of cDNA, D subunit | Synechocystis sp. |
More | - |
Synechocystis sp. |
More | the enzyme has three subunits, BchI, BchH and BchD | Cereibacter sphaeroides |
More | the enzyme has three subunits, BchI, BchH and BchD | Rhodobacter capsulatus |
More | H subunit is a monomer and I subunit is a dimer, determined by dynamic-light-scattering studies | Pisum sativum |
More | the enzyme has three subunits, ChlI, ChlH and ChlD | Hordeum vulgare |
More | the enzyme has three subunits, ChlI, ChlH and ChlD | Pisum sativum |