>6J15_1|Chains A[auth C], B[auth D]|Programmed cell death protein 1|Homo sapiens (9606) DGIQWNPPTFSPALLVVTEGDNATFTCSFSNTSESFVLNWYRMSPSNQTDKLAAFPEDRSQPGQDCRFRVTQLPNGRDFHMSVVRARRNDSGTYLCGAISLAPKAQIKESLRAELRVTER >6J15_2|Chains C[auth A], E[auth H]|GY-5 heavy chain Fab|Mus musculus (10090) QVQLQQSGPELVRPGVSVKISCKGSGHTFTDYALHWVRQSHVKSLEWIGVISSYNGITNYNQRFKGKATMTVDKSSSTAYLELARLTSEDSAIYYCSREEWDVFYYFDYWGQGTTLTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIET >6J15_3|Chains D[auth B], F[auth L]|GY-5 light chain Fab|Mus musculus (10090) DIMLTQSPLSLPVSLGDQASISCRSSQGIVHSDGNTYLEWYLQKPGQSPKLLIYKVSNRFSGVPDRFSGSGSGTDFILKISRVEAEDLGVYYCFQGSHVPYTFGGGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKNFNR