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Literature summary extracted from

  • Tazoe, M.; Ichikawa, K.; Hoshino, T.
    Flavin adenine dinucleotide-dependent 4-phospho-D-erythronate dehydrogenase is responsible for the 4-phosphohydroxy-L-threonine pathway in vitamin B6 biosynthesis in Sinorhizobium meliloti (2006), J. Bacteriol., 188, 4635-4645.
    View publication on PubMedView publication on EuropePMC

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.1.99.B1 53000
-
SDS-PAGE Sinorhizobium meliloti
1.1.99.B1 53190
-
predicted from the pdxR DNA sequence Sinorhizobium meliloti
1.1.99.B1 106000
-
gel filtration chromatography Sinorhizobium meliloti

Organism

EC Number Organism UniProt Comment Textmining
1.1.99.B1 Sinorhizobium meliloti
-
formerly Rhizobium meliloti, strain IFO 14782
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.1.99.B1 Q Sepharose FF column chromatography and Sephadex LH 20 column chromatography Sinorhizobium meliloti

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.1.99.B1 0.946
-
0.091 mM DCIP and 0.00024 mg purified enzyme in 33 mM potassium phosphate buffer at pH 7.0 Sinorhizobium meliloti

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.1.99.B1 4-phospho-D-erythronate + 2,6-dichloroindophenol
-
Sinorhizobium meliloti 3-hydroxy-4-phosphohydroxy-alpha-ketobutyrate + reduced 2,6-dichloroindophenol
-
?
1.1.99.B1 4-phospho-D-erythronate + FAD
-
Sinorhizobium meliloti 3-hydroxy-4-phosphohydroxy-alpha-ketobutyrate + FADH2
-
?

Subunits

EC Number Subunits Comment Organism
1.1.99.B1 homodimer 2 * 53000, SDS-PAGE Sinorhizobium meliloti

Synonyms

EC Number Synonyms Comment Organism
1.1.99.B1 4PE dehydrogenase
-
Sinorhizobium meliloti
1.1.99.B1 4PE oxidoreductase
-
Sinorhizobium meliloti
1.1.99.B1 flavin adenine dinucleotide-dependent 4-phospho-D-erythronate dehydrogenase
-
Sinorhizobium meliloti
1.1.99.B1 pdxR-encoded 4PE dehydrogenase
-
Sinorhizobium meliloti

Cofactor

EC Number Cofactor Comment Organism Structure
1.1.99.B1 FAD
-
Sinorhizobium meliloti