9RHS

Structure of 3CL 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, D (A, B)	~{N}-(4-bromanyl-3-nitro-phenyl)-2-(1,2,3-triazol-1-yl)ethanamide	non-polymer		326.1	2	Chemie (A1JF7)
3	E, F (A, B)	water	water		18.0	604	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	652.2
All*	Total formula weight	68303.3

*Water molecules are not included.