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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

pH Range

pH Range on EC 2.6.1.52 - phosphoserine transaminase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
2 - 12
80% of maximal activity within this range
4 - 10
50% of maximal activity within this range
5.5 - 11
about 75% of maximal activit at pH 5.5 and pH 11.0, formation of 3-phosphohydroxypyruvate
6.5 - 12
7 - 10
about 50% of maximal activity at pH 7.0 and at pH 10.0, formation of O-phospho-L-serine
7.8 - 8.8
8 - 9.5
pH 8.0: about 50% of maximal activity, pH 9: about 60% of maximal activity, phosphoserine synthesis