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Phosphoserine transaminase

IUPAC Nomenclature of a catalyst enzyme

IUPAC Nomenclature of a catalyst enzyme

FieldValue
NamePhosphoserine transaminase
EC_number2.6.1.52
CAS_number9030-90-4

Phosphoserine transaminase (, PSAT, phosphoserine aminotransferase, 3-phosphoserine aminotransferase, hydroxypyruvic phosphate-glutamic transaminase, L-phosphoserine aminotransferase, phosphohydroxypyruvate transaminase, phosphohydroxypyruvic-glutamic transaminase, 3-O-phospho-L-serine:2-oxoglutarate aminotransferase, SerC, PdxC, 3PHP transaminase) is an enzyme with systematic name O-phospho-L-serine:2-oxoglutarate aminotransferase. This enzyme catalyses the following chemical reaction

: (1) O-phospho-L-serine + 2-oxoglutarate \rightleftharpoons 3-phosphonooxypyruvate + L-glutamate : (2) 4-phosphonooxy-L-threonine + 2-oxoglutarate \rightleftharpoons (3R)-3-hydroxy-2-oxo-4-phosphonooxybutanoate + L-glutamate

This enzyme is a pyridoxal-phosphate protein.

References

References

  1. (May 1967). "Studies on phosphoserine aminotransferase of sheep brain". The Journal of Biological Chemistry.
  2. (December 1963). "The pathway and control of serine biosynthesis in ''Escherichia coli''". The Journal of Biological Chemistry.
  3. (January 1996). "A novel alpha-ketoglutarate reductase activity of the serA-encoded 3-phosphoglycerate dehydrogenase of Escherichia coli K-12 and its possible implications for human 2-hydroxyglutaric aciduria". Journal of Bacteriology.
  4. (July 1996). "4-O-phosphoryl-L-threonine, a substrate of the pdxC(serC) gene product involved in vitamin B6 biosynthesis". FEBS Letters.
  5. (January 1996). "4-Phospho-hydroxy-L-threonine is an obligatory intermediate in pyridoxal 5'-phosphate coenzyme biosynthesis in Escherichia coli K-12". FEMS Microbiology Letters.
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