7WOH

SARS-CoV-2 3CLpro

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	polymer	303	33449.1	2	UniProt (P0DTD1) Pfam (PF05409)	Severe acute respiratory syndrome coronavirus 2	main protease
2	C, D (A, B)	(2S)-4-methyl-N-[(2S)-1-oxidanylidene-3-[(3S)-2-oxidanylidenepiperidin-3-yl]propan-2-yl]-2-[[(2S)-3-phenyl-2-[[(E)-3-phenylprop-2-enoyl]amino]propanoyl]amino]pentanamide	non-polymer		560.7	2	Chemie (5IW) PubChem (162515910) PubChem (163183777)
3	E, F (A, B)	water	water		18.0	424	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	66898.3
Non-Polymers*	Number of molecules	2
	Total formula weight	1121.4
All*	Total formula weight	68019.7

*Water molecules are not included.