1ETR

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	amino{[(4S)-5-[(2R,4R)-2-carboxy-4-methylpiperidin-1-yl]-4-({[(3R)-3-methyl-1,2,3,4-tetrahydroquinolin-8-yl]sulfonyl}amino)-5-oxopentyl]amino}methaniminium	non-polymer		509.6	1	BIRD (PRD_000452) Chemie (MIT)
4		water	water		18.0	152	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	509.6
All*	Total formula weight	36017.3

*Water molecules are not included.