>1riw_B mol:protein length:147 thrombin heavy chain, B IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDL LVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPV CLPDRETAASLLQAGYKGRVTGWGNLKET