3DWP

Crystal structure of the B-subunit of the AB5 toxin from E. Coli with Neu5Gc

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	14033.6	5	UniProt (Q3ZTX8)	Escherichia coli	SubB
2	F, H, J, L, N (A, B, C, D, E)	N-glycolyl-alpha-neuraminic acid	non-polymer		325.3	5	Chemie (NGC)
3	G, I, K, M, O (A, B, C, D, E)	PENTAETHYLENE GLYCOL	non-polymer		238.3	5	Chemie (1PE)
4	P, Q, R, S, T (A, B, C, D, E)	water	water		18.0	480	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	70168.0
Non-Polymers*	Number of molecules	10
	Total formula weight	2817.7
All*	Total formula weight	72985.7

*Water molecules are not included.