CRYSTAL STRUCTURE OF THE COMPLEX OF HUMAN ALPHA-THROMBIN AND NON-HYDROLYZABLE BIFUNCTIONAL INHIBITORS, HIRUTONIN-2 AND HIRUTONIN-6

PTL PENTANAL LINKING ARG I 3A TO FBE I 4.

Crystal structure of the complex of human alpha-thrombin and nonhydrolyzable bifunctional inhibitors, hirutonin-2 and hirutonin-6.

IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISM
LEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVL
QVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFY
THVFRLKKWIQKVIDQFGE

SHEET
THE SHEETS PRESENTED AS B1 AND B2 ON SHEET RECORDS BELOW
ACTUALLY COMPRISE SIX-STRANDED BETA-BARRELS. THESE ARE
REPRESENTED BY SEVEN-STRANDED SHEETS IN WHICH THE FIRST AND
LAST STRANDS ARE IDENTICAL.

THROMBIN IS CLEAVED BETWEEN RESIDUES 15 AND 16. CHAIN INDICATOR *L* IS USED FOR RESIDUES 1H - 15 AND CHAIN INDICATOR *H* IS USED FOR RESIDUES 16 - 247. CHAIN INDICATOR *I* IS USED FOR THE HIRUTONIN-6 INHIBITOR.
THE HIRUTONIN RESIDUE NUMBERING CORRESPONDS TO THE C-TERMINAL RESIDUES OF HIRUDIN.

SERINE PROTEINASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX

MAHVRGLQLPGCLALAALCSLVHSQHVFLAPQQARSLLQRVRRANTFLEEVRKGNLERECVEETCSYEEAFEALESSTAT
DVFWAKYTACETARTPRDKLAACLEGNCAEGLGTNYRGHVNITRSGIECQLWRSRYPHKPEINSTTHPGADLQENFCRNP
DSSTTGPWCYTTDPTVRRQECSIPVCGQDQVTVAMTPRSEGSSVNLSPPLEQCVPDRGQQYQGRLAVTTHGLPCLAWASA
QAKALSKHQDFNSAVQLVENFCRNPDGDEEGVWCYVAGKPGDFGYCDLNYCEEAVEEETGDGLDEDSDRAIEGRTATSEY
QTFFNPRTFGSGEADCGLRPLFEKKSLEDKTERELLESYIDGRIVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRW
VLTAAHCLLYPPWDKNFTENDLLVRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHP
VCLPDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVLQVVNLPIVERPVCKDSTRIRITDNMFCAGYKPDEGKR
GDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRLKKWIQKVIDQFGE