>9EHT_3|Chains E[auth F], F[auth J]|Programmed cell death protein 1|Homo sapiens (9606) DSPDRPWNPPTFSPALLVVTEGDNATFTCSFSNTSESFVLNWYRMSPSNQTDKLAAFPEDRSQPGQDSRFRVTQLPNGRDFHMSVVRARRNDSGTYLCGAISLAPKAQIKESLRAELRVTERRAE >9EHT_2|Chains B, D[auth E]|heavy chain|Homo sapiens (9606) QVQLVQSGAEVKKPGASVKVSCKASGYSFTSYWMNWVRQAPGQGLEWIGVIHPSDSETWLDQKFKDRVTITVDKSTSTAYMELSSLRSEDTAVYYCAREHYGTSPFAYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHHHHHH >9EHT_1|Chains A, C[auth D]|light chain|Homo sapiens (9606) EIVLTQSPATLSLSPGERATLSCRASESVDNYGMSFMNWFQQKPGQPPKLLIHAASNQGSGVPSRFSGSGSGTDFTLTISSLEPEDFAVYFCQQSKEVPYTFGGGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC