>sp|B2K664|SYFA_YERPB Phenylalanine--tRNA ligase alpha subunit OS=Yersinia pseudotuberculosis serotype IB GN=pheS MPHLAELVAKAKAAVEDAQDIAALDLVRVEYLGKKGHLTLQMTSLRELPAEERPAAGAVI NQAKQEVQEALNARKEKLESAVLNARLAAETIDVSLPGRRMENGGLHPVTRTIERIETFF GELGFSVESGPEIEDDYHNFDALNIPAHHPARADHDTFWFDATRLLRTQTSGVQIRTMQE QQPPIRIIVPGRVYRNDYDQTHTPMFHQMEGLIVDRDISFTNLKGTLHDFLRNFFEEDLQ IRFRPSYFPFTEPSAEVDVMGKNGKWLEVLGCGMVHPNVLRNVGIDPEIYSGFAFGMGME RLTMLRYGVTDLRAFFENDLRFLKQFK