it had no effect on the concentration of pyridoxal phosphate in liver or kidney , the urinary excretion of 4-pyridoxic acid , the activation of erythrocyte aspartate aminotransferase ( l-aspartate:2-oxo-glutarate aminotransferase , ec 2 .
C0004002
aspartate aminotransferase
C0002594
aminotransferase