Reaction catalyzed by long-chain acyl-CoA dehydrogenase (1.3.8.8)

		+			=			+
	arachidonoyl-CoA	+		phenazine methosulfate	=		(2E,5Z,8Z,11Z,14Z)-2,5,8,11,14-eicosapentaenoyl-CoA	+		reduced phenazine methosulfate