2.3.1.1 acetyl-CoA + L-glutamate = CoA + N-acetyl-L-glutamate - - 2.3.1.1 acetyl-CoA + L-glutamate = CoA + N-acetyl-L-glutamate rapid-equilibrium random bi bi mechanism 486073 2.3.1.1 acetyl-CoA + L-glutamate = CoA + N-acetyl-L-glutamate sequential kinetic mechanism 662031