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Literature summary extracted from

  • McDowell, M.T.; Lagarias, J.C.
    Purification and biochemical properties of phytochromobilin synthase from etiolated oat seedlings (2001), Plant Physiol., 126, 1546-1554.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.3.7.4 additional information
-
 additional information sub-micromolar Km for biliverdin IXa Avena sativa
1.3.7.4 0.0012
-
 reduced ferredoxin Porphyra umbilicalis ferredoxin Avena sativa
1.3.7.4 0.0035
-
 reduced ferredoxin Spinacia oleracea ferredoxin Avena sativa

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.3.7.4 etioplast
-
 Avena sativa 9513
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.3.7.4 29000
-
 SDS-PAGE Avena sativa

Organism

EC Number Organism UniProt Comment Textmining
1.3.7.4 Avena sativa
-
 oat
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.3.7.4 50000fold Avena sativa

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.3.7.4 seedling
-
 Avena sativa
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.3.7.4 (3Z)-phytochromobilin + oxidized ferredoxin
-
 Avena sativa biliverdin IXa + reduced ferredoxin
-
 ?
1.3.7.4 biliverdin IXalpha + reduced ferredoxin
-
 Avena sativa (3Z)-phytochromobilin + oxidized ferredoxin
-
 r

Subunits

EC Number Subunits Comment Organism
1.3.7.4 monomer 1 * 29000, SDS-PAGE Avena sativa

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.3.7.4 28
-
 assay at Avena sativa

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
1.3.7.4 1.67
-
 biliverdin IXa above Avena sativa

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.3.7.4 7.3
-
 assay at Avena sativa

Cofactor

EC Number Cofactor Comment Organism Structure
1.3.7.4 Ferredoxin 2Fe-2S Avena sativa