the tyrosine-sensitive allosteric first enzyme of the aromatic amino acid biosynthetic pathway , 3-deoxy-d-arabinoheptulosonate 7-phosphate synthetase ( 7-phospho-2-keto-3-deoxy-d-arabino-heptonate d-erythrose 4-phosphate-lyase ( pyruvate phosphorylating ) , ec 4.1.2.15 ) has been purified from a mutant strain of escherichia coli .
C0041485
tyrosine
C0301713
aromatic amino acid