>2ZFQ_1|Chain A[auth L]|Thrombin light chain|Homo sapiens (9606) TFGSGEADCGLRPLFEKKSLEDKTERELLESYIDGR >2ZFQ_2|Chain B[auth H]|Thrombin heavy chain|Homo sapiens (9606) IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWIQKVIDQFGE >2ZFQ_3|Chain C[auth I]|Hirudin|Hirudo medicinalis (6421) NGDFEEIPEEYL