>4E7R_1|Chains A[auth L], B[auth M]|Thrombin light chain|Homo sapiens (9606) TFGSGEADCGLRPLFEKKSLEDKTERELLESYIDGR >4E7R_2|Chains C[auth G], D[auth H]|Thrombin heavy chain|Homo sapiens (9606) IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWIQKVIDQFGE >4E7R_3|Chains E[auth I], F[auth J]|Hirudin variant-2|Hirudo medicinalis (6421) DFEEIPEEYLQ