4.1.1.20 pyridoxal 5'-phosphate - 4.1.1.20 pyridoxal 5'-phosphate absolute requirement 4.1.1.20 pyridoxal 5'-phosphate Km: 0.0061 mM 4.1.1.20 pyridoxal 5'-phosphate Km: 0.002 mM 4.1.1.20 pyridoxal 5'-phosphate dependent on, the DAPDC1 protein contains a PLP binding consensus site, overview 4.1.1.20 pyridoxal 5'-phosphate PLP, the PLP cofactor is tightly bound at the center of the barrel domain and forms a Schiff base with the catalytic Lys75 residue, binding structure analysis, overview