3F9G

Crystal Structure of the F140A mutant of SARS-Coronovirus 3C-like Protease at pH 6.5

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	303	33412.1	2	UniProt (P0C6U8) Pfam (PF05409) In PDB	SARS coronavirus (SARS-CoV)
2		water	water		18.0	111	Chemie (HOH)

Sequence modifications

A, B: 1 - 301 (UniProt: P0C6U8)

PDB	External Database	Details
Gly -1	-	expression tag
Ser 0	-	expression tag
Ala 140	Phe 3380	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	66824.2
All*	Total formula weight	66824.2

*Water molecules are not included.