in contrast , the saturation levels generally used to describe in vivo the proportions of the apo and holo vitamin b6-dependent enzymes did not reflect the intracellular amount of the pyridoxal 5'-phosphate ( holo ) form of aspartate aminotransferase probably because the intracellular pyridoxal 5'-phosphate form was changed to an apo form by the disruption of bacterial cells for preparing crude extract .
C0087162
vitamin b6
C0034266
pyridoxal 5