>3h3b_D mol:protein length:259 anti-ErbB2 antibody chA21 AAQPADIVLTQTPSSLPVSVGEKVTMTCKSSQTLLYSNNQKNYLAWYQQKPGQSPKLLI SWAFTRKSGVPDRFTGSGSGTDFTLTIGSVKAEDLAVYYCQQYSNYPWTFGGGTRLEIK RGGGGSGGGGSGGGGSGGGGSEVQLQQSGPEVVKTGASVKISCKASGYSFTGYFINWVK KNSGKSPEWIGHISSSYATSTYNQKFKNKAAFTVDTSSSTAFMQLNSLTSEDSAVYYCV RSGNYEEYAMDYWGQGTSVTVSS