>3UTU_1|Chain A[auth L]|Thrombin light chain|Homo sapiens (9606) TFGSGEADCGLRPLFEKKSLEDKTERELLESYIDGR >3UTU_2|Chain B[auth H]|Thrombin heavy chain|Homo sapiens (9606) IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWIQKVIDQFGE >3UTU_3|Chain C[auth I]|Hirudin variant-1|Hirudo medicinalis (6421) GDFEEIPEEYL