>6DN0_1|Chains A, C|Human Variable Heavy Chain of Herceptin containing VH mutation K30D|Homo sapiens (9606) EVQLVESGGGLVQPGGSLRLSCAASGFNIDDTYIHWVRQAPGKGLEWVARIYPTNGYTRYADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCSRWGGDGFYAMDVWGQGTLVTVSSGGGGSGGGGSGGGGST >6DN0_2|Chains B, D|Human Variable Light Chain of Herceptin containing VL mutation S52D|Homo sapiens (9606) DIQMTQSPSSLSASVGDRVTITCRASQDVNTAVAWYQQKPGKAPKLLIYSADFLYSGVPSRFSGSRSGTDFTLTISSLQPEDFATYYCQQHYTTPPTFGQGTKVEI