>4AYV_3|Chain C[auth D]|HIRUDIN-3A'|HIRUDO MEDICINALIS (6421) DFEEIPEEYLQ >4AYV_1|Chain A|THROMBIN LIGHT CHAIN|HOMO SAPIENS (9606) GEADCGLRPLFEKKSLEDKTERELLESYID >4AYV_2|Chain B|THROMBIN HEAVY CHAIN|HOMO SAPIENS (9606) IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWIQKVIDQF