>1K21_2|Chain B[auth H]|Prothrombin|Homo sapiens (9606)
IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWIQKVIDQFGE
>1K21_1|Chain A[auth L]|Prothrombin|Homo sapiens (9606)
TFGSGEADCGLRPLFEKKSLEDKTERELLESYIDGR
>1K21_3|Chain C[auth I]|Hirudin variant-2|Hirudo medicinalis (6421)
NGDFEEIPEEYL