3Q3X

Crystal structure of the main protease (3C) from human enterovirus B EV93

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)	HEVB EV93 3C protease	polymer	191	21443.5	2	UniProt (Q5DSM6)	Human enterovirus B
2	C, D, E, H, I... (A, B)	GLYCEROL	non-polymer		92.1	6	Chemie (GOL) PubChem (753)
3	F, G (B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG) PubChem (888)
4	K, L (A, B)	water	water		18.0	339	Chemie (HOH)

Sequence modifications

A, B: 1 - 183 (UniProt: Q5DSM6)

PDB	External Database	Details
Met -1	-	expression tag
Lys 0	-	expression tag
Val 137	Met 1692	SEE REMARK 999
His 184	-	expression tag
His 185	-	expression tag
His 186	-	expression tag
His 187	-	expression tag
His 188	-	expression tag
His 189	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	42887.0
Non-Polymers*	Number of molecules	8
	Total formula weight	601.2
All*	Total formula weight	43488.2

*Water molecules are not included.