3DWA

Crystal structure of the B-subunit of the AB5 toxin from E. coli

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E (A, B, C, D, E)	Subtilase cytotoxin, subunit B	polymer	126	14127.4	5	UniProt (Q3ZTX8)	Escherichia coli	SubB
2	F, G, H, I, J (A, B, C, D, E)	PENTAETHYLENE GLYCOL	non-polymer		238.3	5	Chemie (1PE)
3	K, L, M, N, O (A, B, C, D, E)	water	water		18.0	340	Chemie (HOH)

Sequence modifications

A, B, C, D, E: 1 - 118 (UniProt: Q3ZTX8)

PDB	External Database	Details
Leu 119	-	expression tag
Glu 120	-	expression tag
His 121	-	expression tag
His 122	-	expression tag
His 123	-	expression tag
His 124	-	expression tag
His 125	-	expression tag
His 126	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	70636.9
Non-Polymers*	Number of molecules	5
	Total formula weight	1191.4
All*	Total formula weight	71828.3

*Water molecules are not included.