phosphatase activity L-phosphoserine phosphatase activity https://github.com/geneontology/go-ontology/issues/20587 https://github.com/geneontology/go-ontology/issues/21638 Reactome:R-HSA-977324 RHEA:21208 bf phosphoserine phosphatase activity 2013-09-16T13:01:03Z Do not confuse with protein phosphatases. For protein phosphatases, consider GO:0004722 ; protein serine/threonine phosphatase activity or GO:0008138 ; protein tyrosine/serine/threonine phosphatase activity. MetaCyc:RXN0-5114 GO:0036424 Catalysis of the reaction: O-phospho-L-serine + H2O = L-serine + phosphate, on a free amino acid. molecular_function KEGG_REACTION:R00582 GO:0004647 O-phosphoserine phosphohydrolase activity