7ZQW

Structure of the SARS-CoV-1 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	3C-like proteinase nsp5	polymer	306	33876.6	1	UniProt (P0C6U8) Pfam (PF05409) In PDB	Severe acute respiratory syndrome coronavirus	3CL-PRO,3CLp,Main protease,Mpro,Non-structural protein 5,nsp5,SARS coronavirus main proteinase
2	A	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	1	Chemie (XNV)
3		water	water		18.0	1	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	33876.6
Non-Polymers*	Number of molecules	1
	Total formula weight	525.6
All*	Total formula weight	34402.2

*Water molecules are not included.