>4BAK_3|Chain C[auth D]|HIRUDIN VARIANT-1|HIRUDO MEDICINALIS (6421) DGDFEEIPGEYL >4BAK_1|Chain A|THROMBIN LIGHT CHAIN|HOMO SAPIENS (9606) TFGSGEADCGLRPLFEKKSLEDKTERELLESYIDGR >4BAK_2|Chain B|THROMBIN HEAVY CHAIN|HOMO SAPIENS (9606) IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWIQKVIDQFGE