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Literature summary for 1.3.7.4 extracted from

  • Terry, M.J.; Lagarias, J.C.
    Holophytochrome assembly. Coupled assay for phytochromobilin synthase in organello (1991), J. Biol. Chem., 266, 22215-22221.
    View publication on PubMed
Search for more literature for 1.3.7.4

Activating Compound

Activating Compound Comment Organism Structure
ATP stimulates at 1 mM Cucumis sativus
additional information NADPH regenerating system with glucose-6-phosphate and glucose-6-phosphate dehydrogenase stimulates Cucumis sativus
NADH stimulates slightly at 1 mM Cucumis sativus
NADPH stimulates slightly at 1 mM Cucumis sativus

Localization

Localization Comment Organism GeneOntology No. Textmining
plastid etiolated Cucumis sativus 9536
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
(3Z)-phytochromobilin + oxidized ferredoxin Cucumis sativus
-
 biliverdin IXa + reduced ferredoxin
-
 ?

Organism

Organism UniProt Comment Textmining
Cucumis sativus
-
 cucumber
-

Source Tissue

Source Tissue Comment Organism Textmining
seedling
-
 Cucumis sativus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.0000004
-
 in etiolated plastids Cucumis sativus
0.0000011
-
 specific activity of plastid protein Cucumis sativus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(3Z)-phytochromobilin + oxidized ferredoxin
-
 Cucumis sativus biliverdin IXa + reduced ferredoxin
-
 ?