7ZQV

Structure of the SARS-CoV-2 main protease in complex with AG7404

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 (P0DTD1) 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)	ethyl (4R)-4-({(2S)-2-[3-{[(5-methyl-1,2-oxazol-3-yl)carbonyl]amino}-2-oxopyridin-1(2H)-yl]pent-4-ynoyl}amino)-5-[(3S)-2-oxopyrrolidin-3-yl]pentanoate	non-polymer		525.6	2	Chemie (XNV)
3	E, F (A, B)	water	water		18.0	104	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	1051.1
All*	Total formula weight	68702.2

*Water molecules are not included.