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2.6.1.52: phosphoserine transaminase

This is an abbreviated version!
For detailed information about phosphoserine transaminase, go to the full flat file.

Reaction

4-phosphooxy-L-threonine
+
2-oxoglutarate
=
(3R)-3-hydroxy-2-oxo-4-phosphooxybutanoate
+
L-glutamate

Synonyms

3-O-phospho-L-serine:2-oxoglutarate aminotransferase, 3-phosphoserine aminotransferase, AspAT, AtPSAT, AtPSAT1, BCIR PSAT, bmPSAT, EhPSAT, hydroxypyruvic phosphate-glutamic transaminase, L-phosphoserine aminotransferase, phosphohydroxypyruvate transaminase, phosphohydroxypyruvic-glutamic transaminase, phosphoserine aminotransferase, phosphoserine aminotransferase 1, phosphoserine aminotransferase1, phosphoserine aminotransferase2, phosphoserine aminotransferases, PSAT, PSAT alpha, PSAT beta, PSAT-BALC, PSAT-BCIRA, PSAT-ECOLI, PSAT1, PSAT2, PSerAT, serC, sll1559

ECTree

     2 Transferases
         2.6 Transferring nitrogenous groups
             2.6.1 Transaminases
                2.6.1.52 phosphoserine transaminase

Purification

Purification on EC 2.6.1.52 - phosphoserine transaminase

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PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
MalE/PdxC(SerC) fusion protein, affinity chromatography on an amylose resin, hydrolyzed in the presence of protease factor Xa
-
native enzyme from rat brain by ultracentrifugation at 220000 x g, followed by ammonium sulfate fractionation, hydropbobic interaction chromatography, anion exchange chromatography, and hydroxyapatite chromatography
recombinant enzyme
recombinant enzyme 15.6fold from Escherichia coli strain BL21(DE3) by two different steps of anion exchange chromatography, ultrafiltration, and gel filtration
recombinant enzyme mutant K2G 5.5fold from Escherichia coli strain XL-1 Blue by anion exchange chromatography, ultrafiltration, and gel filtration
recombinant His-tagged wild-type and mutant enzymes from Escherichia coli strain BL21(DE3) by nickel affinity chromatography
recombinant His-tagged wild-type and mutant enzymes from Escherichia coli strain BL21(DE3) by nickel affinity chromatography and gel filtration. The N-terminal 45 amino acid residues of wild-type EhPSAT protein can be truncated either at the time of purification or in vivo
recombinant His6-tagged from Escherichia coli strain BL21 Gold by nickel affinity chromatography, tag cleavage through TEV protease, dialysis, gel filtration and ultrafiltration
recombinant SUMO-His6-tagged enzyme from Escherichia coli by nickel affinity chromatography and gel filtration, to homogeneity