MODRES 2W1I PTR A 1007 TYR O-PHOSPHOTYROSINE MODRES 2W1I PTR A 1008 TYR O-PHOSPHOTYROSINE MODRES 2W1I PTR B 1007 TYR O-PHOSPHOTYROSINE MODRES 2W1I PTR B 1008 TYR O-PHOSPHOTYROSINE