>3qny_D mol:protein length:221 FAB FRAGMENT OF IMMUNOGLOBULIN A1 HEAVY CHAIN EVQLVESGGGLVQPGGSLKLSCAASGFTLSGSNVHWVRQASGKGLEWVGRIKRNAESDA TAYAASMRGRLTISRDDSKNTAFLQMNSLKSDDTAMYYCVIRGDVYNRQWGQGTLVTVS SASPTSPKVFPLSLCSTQPDGNVVIACLVQGFFPQEPLSVTWSESGQGVTARNFPPSQD ASGDLYTTSSQLTLPATQCLAGKSVTCHVKHYTNPSQDVTVPCP