>3SI4_1|Chain A[auth L]|Thrombin light chain|Homo sapiens (9606)
TFGSGEADCGLRPLFEKKSLEDKTERELLESYIDGR
>3SI4_3|Chain C[auth I]|Hirudin variant-2|Hirudo medicinalis (6421)
NGDFEEIPEEYLQ
>3SI4_2|Chain B[auth H]|Thrombin heavy chain|Homo sapiens (9606)
IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWIQKVIDQFGE