CATALYTIC ACTIVITY : O-phospho-L-serine + 2-oxoglutarate = 3-phosphonooxypyruvate + L-glutamate. COFACTOR : Pyridoxal phosphate. PATHWAY : REQUIRED BOTH IN MAJOR PHOSPHORYLATED PATHWAY OF SERINE BIOSYNTHESIS AND IN THE BIOSYNTHESIS OF PYRIDOXINE. SUBUNIT : Homodimer (By similarity) . ALTERNATIVE PRODUCTS : 2 isoforms; 1 (shown here) and 2; may be produced by alternative splicing. SIMILARITY : BELONGS TO CLASS-V OF PYRIDOXAL-PHOSPHATE-DEPENDENT AMINOTRANSFERASES. |
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27-Feb-03
Last Update 13-Mar-03