7MHO

Ensemble refinement structure of SARS-CoV-2 main protease (Mpro) at 298 K

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	3C-like proteinase	polymer	306	33825.5	1	UniProt (P0DTD1) Pfam (PF05409) In PDB	Severe acute respiratory syndrome coronavirus 2	3CL-PRO,3CLp,Main protease,Mpro,Non-structural protein 5,nsp5,SARS coronavirus main proteinase
2	A	DIMETHYL SULFOXIDE	non-polymer		78.1	2	Chemie (DMS)
3	A	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
4		water	water		18.0	40	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	33825.5
Non-Polymers*	Number of molecules	3
	Total formula weight	221.7
All*	Total formula weight	34047.2

*Water molecules are not included.