9RHX

SARS-CoV-2 main protease with a bound inhibitor

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 (P0DTC1) 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, H (A, B)	2-pyridin-3-ylquinazoline	non-polymer		207.2	2	Chemie (A1JGE)
3	D, E (A)	DIMETHYL SULFOXIDE	non-polymer		78.1	2	Chemie (DMS)
4	F, G, I (A, B)	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
5	J (B)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
6	K, L (A, B)	water	water		18.0	211	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	67651.1
Non-Polymers*	Number of molecules	8
	Total formula weight	675.2
All*	Total formula weight	68326.2

*Water molecules are not included.