>6x3s_K mol:protein length:454 IgG2b Fab Heavy Chain EVQLQQSGAELVKPGASVKLSCTASGFNIKDTYMYWVKQRPEQGLEWIGRIDPANGDTK YDPKFQGKATITTDTFSNTAYLQLSSLTSEDTAVYYCARKGLRWAMDYWGQGTSVTVST AKTTPPSVYPLAPGCGDTTGSSVTLGCLVKGYFPESVTVTWNSGSLSSSVHTFPALLQS GLYTMSSSVTVPSSTWPSQTVTCSVAHPASSTTVDKKLEPSGPISTINPCPPCKECHKC PAPNLEGGPSVFIFPPNIKDVLMISLTPKVTCVVVDVSEDDPDVQISWFVNNVEVHTAQ TQTHREDYNSTIRVVSTLPIQHQDWMSGKEFKCKVNNKDLPSPIERTISKIKGLVRAPQ VYILPPPAEQLSRKDVSLTCLVVGFNPGDISVEWTSNGHTEENYKDTAPVLDSDGSYFI YSKLNMKTSKWEKTDSFSCNVRHEGLKNYYLKKTISRSPGK