7DGI

The co-crystal structure of SARS-CoV-2 main protease with peptidomimetic inhibitor N-((S)-3-methyl-1-(((S)-4-methyl-1-oxo-1-(((S)-1-oxo-3-((S)-2-oxopiperidin-3-yl)propan-2-yl)amino)pentan-2-yl)amino)-1-oxobutan-2-yl)-4-nitrobenzamide

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	3C-like proteinase	polymer	306	33825.5	2	UniProt (P0DTC1) Pfam (PF05409) UniProt (by SIFTS) (P0DTD1) In PDB	Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)	main protease
2	A, B	~{N}-[(2~{S})-3-methyl-1-[[(2~{S})-4-methyl-1-oxidanylidene-1-[[(2~{S})-1-oxidanylidene-3-[(3~{S})-2-oxidanylidenepiperidin-3-yl]propan-2-yl]amino]pentan-2-yl]amino]-1-oxidanylidene-butan-2-yl]-4-nitro-benzamide	non-polymer		531.6	2	Chemie (H6L)
3		water	water		18.0	650	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	1063.2
All*	Total formula weight	68714.3

*Water molecules are not included.