R11040 (4-{4-[2-(gamma-L-glutamylamino)ethyl]phenoxymethyl}furan-2-yl)methanamine synthase; [5-(Aminomethyl)furan-3-yl]methyl diphosphate + gamma-Glutamyltyramine <=> (4-{4-[2-(gamma-L-Glutamylamino)ethyl]phenoxymethyl}furan-2-yl)methanamine + Diphosphate