>9W43_1|Chain A|Heavy chain of 1C4 Fab fragment|Homo sapiens (9606)
QVQLVQSGAEVKKPGASVKVSCKASGYTFTSYWITWIRQAPGQGLEWIGRIAPGSGSIYYDEMFKDRVTMTVDPSTSTAYIELSSLRSEDTAVYYCARLGNYGWTMDYWGQGTTVTVSSASTKGPSVFPLAPSGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEP
>9W43_2|Chain B|Light chain of 1C4 Fab fragment|Homo sapiens (9606)
DIVMTQSPKSLAVSLGERATINCKASQSVTNNVAWYQQKPGQPPKLLIYYVSNRYTGVPDRFSGSGYGTDFTLTISSLQAEDVAVYFCQQDYSSWTFGGGTKVEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRG
>9W43_3|Chain C|Programmed cell death protein 1|Homo sapiens (9606)
NPPTFSPALLVVTEGDNATFTCSFSNTSESFVLNWYRMSPSNQTDKLAAFPEDRSQPGQDCRFRVTQLPNGRDFHMSVVRARRNDSGTYLCGAISLAPKAQIKESLRAELRVTER