>tr|Q921A6|Q921A6_MOUSE Anti-CEA 79 single chain Fv OS=Mus musculus QVKLQQSGPELKKPGETVKISCKASGYTFTDYGMNWVKQAPGKGLKWMGWINTYTGEPTY ADDFKGRFAFSLETSASTAYLQINNLKNEDTATYFCARKDLLRYFDYWGQGTTVTVSSGG GGSGGGGSGGGGSDIELTQSPSSLSASLGGKVTITCKASQDINKYIAWYQHKPGKGPRSA HTLHIYIQPGIPSRFSGSGSGRDYSFSISNLEPEDIATYYCLHYDNLHTFGGGTKLELKR A