1TCW

SIV PROTEASE COMPLEXED WITH INHIBITOR SB203386

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	SIV PROTEASE	polymer	99	10725.4	2	UniProt (Q07387) UniProt (by SIFTS) (P05896)	Simian immunodeficiency virus
2	C, D (A, B)	(2R,4S,5S,1'S)-2-PHENYLMETHYL-4-HYDROXY-5-(TERT-BUTOXYCARBONYL)AMINO-6-PHENYL HEXANOYL-N-(1'-IMIDAZO-2-YL)-2'-METHYLPROPANAMIDE	non-polymer		534.7	2	Chemie (IM1)
3	E, F (A, B)	water	water		18.0	35	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	21450.9
Non-Polymers*	Number of molecules	2
	Total formula weight	1069.4
All*	Total formula weight	22520.3

*Water molecules are not included.