8FY7

SARS-CoV-2 main protease in complex with covalent inhibitor

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 nsp5	polymer	306	33825.5	2	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, B	4-methoxy-N-[(2S)-4-methyl-1-oxo-1-({(2S)-1-[(3S)-2-oxopyrrolidin-3-yl]but-3-en-2-yl}amino)pentan-2-yl]-1H-indole-2-carboxamide	non-polymer		440.5	2	Chemie (YFK)
3		water	water		18.0	316	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	881.1
All*	Total formula weight	68532.2

*Water molecules are not included.