>5B8C_1|Chains A, D, G, J|Pembrolizumab light chain variable region (PemVL)|Homo sapiens (9606) EIVLTQSPATLSLSPGERATLSCRASKGVSTSGYSYLHWYQQKPGQAPRLLIYLASYLESGVPARFSGSGSGTDFTLTISSLEPEDFAVYYCQHSRDLPLTFGGGTKVEIKTSENLYFQ >5B8C_2|Chains B, E, H, K|Pembrolizumab heavy chain variable region (PemVH)|Homo sapiens (9606) QVQLVQSGVEVKKPGASVKVSCKASGYTFTNYYMYWVRQAPGQGLEWMGGINPSNGGTNFNEKFKNRVTLTTDSSTTTAYMELKSLQFDDTAVYYCARRDYRFDMGFDYWGQGTTVTVSS >5B8C_3|Chains C, F, I, L|Programmed cell death protein 1|Homo sapiens (9606) GSWNPPTFSPALLVVTEGDNATFTCSFSNTSESFVLNWYRMSPSNQTDKLAAFPEDRSQPGQDSRFRVTQLPNGRDFHMSVVRARRNDSGTYLCGAISLAPKAQIKESLRAELRVTERRAEVPTAHPSPSPTSENLYFQ