>2PKS_1|Chain A|Thrombin light chain|Homo sapiens (9606) ADCGLRPLFEKKSLEDKTERELLESYI >2PKS_2|Chain B|Thrombin heavy chain fragment|Homo sapiens (9606) IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKET >2PKS_3|Chain C|Thrombin heavy chain fragment|Homo sapiens (9606) GQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWIQKVIDQ >2PKS_4|Chain D|Hirudin|null DFEEIPGEYL