Purine limitation prevents the exogenous pyridoxal 5'-phosphate accumulation of

YggS belongs to the highly conserved pyridoxal 5'-phosphate (PLP) binding protein family (COG0325) that is found in all domains of life. Though no precise biochemical activity or molecular mechanism has been determined for this protein, an involvement in vitamin B Pyridoxal 5'-phosphate is the active form of vitamin B