9DDG

SARS-CoV-2 main protease with inhibitor

This is a non-PDB format compatible entry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	3C-like proteinase nsp5	polymer	306	33825.5	1	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	B (A)	[(4R)-imidazo[1,5-a]pyridin-8-yl]{4-[(1M)-3'-nitro[1,1'-biphenyl]-2-yl]piperazin-1-yl}methanone	non-polymer		427.5	1	Chemie (A1A3O)
3	C (A)	water	water		18.0	235	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	33825.5
Non-Polymers*	Number of molecules	1
	Total formula weight	427.5
All*	Total formula weight	34253.0

*Water molecules are not included.