>2GJJ_1|Chains A, B|A21 single-chain antibody fragment against erbB2|Mus musculus (10090) EAEADIVLTQTPSSLPVSVGEKVTMTCKSSQTLLYSNNQKNYLAWYQQKPGQSPKLLISWAFTRKSGVPDRFTGSGSGTDFTLTIGSVKAEDLAVYYCQQYSNYPWTFGGGTRLEIKRGGGGSGGGGSGGGGSGGGGSEVQLQQSGPEVVKTGASVKISCKASGYSFTGYFINWVKKNSGKSPEWIGHISSSYATSTYNQKFKNKAAFTVDTSSSTAFMQLNSLTSEDSADYYCVRSGNYEEYAMDYWGQGTSVTVSSHHHHHH