Reaction catalyzed by alanine-glyoxylate transaminase (2.6.1.44), aromatic-amino-acid-glyoxylate transaminase (2.6.1.60), glutamine-phenylpyruvate transaminase (2.6.1.64), methionine-glyoxylate transaminase (2.6.1.73)

		+			=			+
	L-histidine	+		glyoxylate	=		3-(1H-imidazol-4-yl)-2-oxopropanoate	+		glycine