7DQZ

Crystal structure of SARS 3C-like protease in apo form

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	polymer	306	33876.6	2	UniProt (P0C6U8) Pfam (PF05409) UniProt (by SIFTS) (P0C6X7) In PDB	Human SARS coronavirus (SARS-CoV)	Main protease
2		water	water		18.0	67	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	67753.3
All*	Total formula weight	67753.3

*Water molecules are not included.