1ETT

REFINED 2.3 ANGSTROMS X-RAY CRYSTAL STRUCTURE OF BOVINE THROMBIN COMPLEXES FORMED WITH THE BENZAMIDINE AND ARGININE-BASED THROMBIN INHIBITORS NAPAP, 4-TAPAP AND MQPA: A STARTING POINT FOR IMPROVING ANTITHROMBOTICS

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	L	EPSILON-THROMBIN	polymer	49	5735.2	1	UniProt (P00735) Pfam (PF09396) In PDB	Bos taurus (cow)
2	H	EPSILON-THROMBIN	polymer	259	29772.4	1	UniProt (P00735) Pfam (PF00089) In PDB	Bos taurus (cow)
3	H	4-[(2S)-2-{[(4-methylphenyl)sulfonyl]amino}-3-oxo-3-(piperidin-1-yl)propyl]benzene-1-carboximidamide	non-polymer		428.5	1	Chemie (4QQ)
4		water	water		18.0	180	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	35507.7
Non-Polymers*	Number of molecules	1
	Total formula weight	428.5
All*	Total formula weight	35936.2

*Water molecules are not included.