. "Catalysis of the reaction: pyridoxal 5'-phosphate + H2O = pyridoxal + phosphate." . . "pyridoxal phosphatase activity" . "PLP phosphatase activity" . "PNP phosphatase activity" . "pyridoxal-5'-phosphate phosphohydrolase activity" . "vitamin B6-phosphate phosphatase activity" . "vitamine B6 (pyridoxine) phosphatase activity" . . .