7WHC

Crystal structure of SARS-CoV-2 3CLpro catalytic domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	3C-like proteinase nsp5	polymer	196	21589.7	4	UniProt (P0DTD1) Pfam (PF05409)	Severe acute respiratory syndrome coronavirus 2	Non-structural protein 5,nsp5
2	E, F, G, H (A, B, C, D)	water	water		18.0	149	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	86358.7
All*	Total formula weight	86358.7

*Water molecules are not included.