7UJ9

Room-temperature X-ray structure of monomeric SARS-CoV-2 main protease catalytic domain (MPro1-199)

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, C)	3C-like proteinase nsp5	polymer	207	22978.1	2	UniProt (P0DTC1) Pfam (PF05409) UniProt (by SIFTS) (P0DTD1)	Severe acute respiratory syndrome coronavirus 2	3CL-PRO,3CLp,Main protease,Mpro,Non-structural protein 5,nsp5,SARS coronavirus main proteinase
2	C, D (A, C)	water	water		18.0	40	Chemie (HOH)

Sequence modifications

A, C: 1 - 199 (UniProt: P0DTC1)

PDB	External Database	Details
Leu 200	-	expression tag
Glu 201	-	expression tag
His 202	-	expression tag
His 203	-	expression tag
His 204	-	expression tag
His 205	-	expression tag
His 206	-	expression tag
His 207	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	45956.3
All*	Total formula weight	45956.3

*Water molecules are not included.