Phosphoserine phosphatase

The enzyme phosphoserine phosphatase (EC 3.1.3.3) catalyzes the reaction

O-phospho-L(or D)-serine + H₂O ${\displaystyle \rightleftharpoons }$ L(or D)-serine + phosphate

phosphoserine phosphatase
Identifiers
EC no.	3.1.3.3
CAS no.	9025-73-4
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Gene Ontology	AmiGO / QuickGO
Search PMC articles PubMed articles NCBI proteins

This enzyme belongs to the family of hydrolases, specifically those acting on phosphoric monoester bonds. The systematic name is O-phosphoserine phosphohydrolase. This enzyme participates in glycine, serine and threonine metabolism.

Structural studies

As of late 2007, 12 structures have been solved for this class of enzymes, with PDB accession codes 1F5S, 1J97, 1L7M, 1L7N, 1L7O, 1L7P, 1L8L, 1L8O, 1NNL, 2J6Y, 2J6Z, and 2J70.

References

• Borkenhagen LF, Kennedy EP (1959). "The enzymatic exchange of L-serine with 'O-phospho-L-serine catalyzed by a specific phosphatase". J. Biol. Chem. 234 (4): 849–53. doi:10.1016/S0021-9258(18)70188-9. PMID 13654276.
• Boyer, P.D., Lardy, H. and Myrback, K. (Eds.), The Enzymes, 2nd ed., vol. 5, Academic Press, New York, 1961, p. 73-78.
• Neuhaus FC, Byrne WL (1959). "Metabolism of phosphoserine. II. Purification and properties of O-phosphoserine phosphatase". J. Biol. Chem. 234 (1): 113–121. doi:10.1016/S0021-9258(18)70346-3. PMID 13610904.