9NWC

Crystal structure of SARS-CoV-2 main protease in complex with an inhibitor TKB-276-5Br

This is a non-PDB format compatible entry.

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)	3C-like proteinase nsp5	polymer	306	33825.5	2	UniProt (P0DTD1) Pfam (PF05409)	Severe acute respiratory syndrome coronavirus 2	3CL-PRO,3CLp,Main protease,Mpro,Non-structural protein 5,nsp5,SARS coronavirus main proteinase
2	C, D (A, B)	(1R,2S,5S)-N-{(1S,2S)-1-(5-bromo-1,3-benzothiazol-2-yl)-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propan-2-yl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-D-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide	non-polymer		716.6	2	Chemie (A1B7B)
3	E, F (A, B)	water	water		18.0	120	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	67651.1
Non-Polymers*	Number of molecules	2
	Total formula weight	1433.2
All*	Total formula weight	69084.3

*Water molecules are not included.