form b2 is the major form of the aromatic-amino-acid aminotransferase ( aromatic-amino-acid:2-oxoglutarate amino-transferase , ec 2.6.1.57 ) and the km values of tyrosine and phenylalanine with this form are somewhat lower than with the minor form a .
C0301713
aromatic-amino-acid
C0031453
phenylalanine