>4K3E_1|Chains A[auth H], C[auth I]|BOVINE ANTIBODY WITH ULTRALONG CDR H3, HEAVY CHAIN|Bos taurus (9913) QVQLRESGPSLVQPSQTLSLTCTASGFSLSDKAVGWVRQAPGKALEWLGSIDTGGSTGYNPGLKSRLSITKDNSKSQVSLSVSSVTTEDSATYYCTTVHQETRKTCSDGYIAVDSCGRGQSDGCVNDCNSCYYGWRNCRRQPAIHSYEFHVDAWGRGLLVTVSSASTTAPKVYPLSSCCGDKSSSTVTLGCLVSSYMPEPVTVTWNSGALKSGVHTFPAVLQSSGLYSLSSMVTVPGSTSGQTFTCNVAHPASSTKVDKAVEPKSCDGSHHHHHH >4K3E_2|Chains B[auth L], D[auth M]|BOVINE ANTIBODY WITH ULTRALONG CDR H3, LIGHT CHAIN|Bos taurus (9913) QAVLNQPSSVSGSLGQRVSITCSGSSSNVGNGYVSWYQLIPGSAPRTLIYGDTSRASGVPDRFSGSRSGNTATLTISSLQAEDEADYFCASAEDSSSNAVFGSGTTLTVLGQPKSPPSVTLFPPSTEELNGNKATLVCLISDFYPGSVTVVWKADGSTITRNVETTRASKQSNSKYAASSYLSLTSSDWKSKGSYSCEVTHEGSTVTKTVKPSECS