>4BAQ_1|Chain A|THROMBIN LIGHT CHAIN|HOMO SAPIENS (9606) TFGSGEADCGLRPLFEKKSLEDKTERELLESYIDGR >4BAQ_3|Chain C[auth D]|HIRUDIN VARIANT-1|HIRUDO MEDICINALIS (6421) DGDFEEIPEEYL >4BAQ_2|Chain B|THROMBIN HEAVY CHAIN|HOMO SAPIENS (9606) IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWIQKVIDQFGE