3MXG

Structure of Shiga Toxin type 2 (Stx2) B Pentamer Mutant Q40L

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...)	Shiga-like toxin 2 subunit B	polymer	70	7809.6	10	UniProt (A7UQX3) Pfam (PF02258)	Escherichia coli	SLT-2 B subunit, SLT-2b, SLT-IIb, Verocytotoxin 2 subunit B, Verotoxin 2 subunit B
2	K, L, M, N (A, B, C, D)	D-xylose	non-polymer		150.1	4	Chemie (XLS)
3	O, P, Q, R, S... (A, B, C, D, E...)	water	water		18.0	29	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H, I, J: 1 - 70 (UniProt: A7UQX3)

PDB	External Database	Details
Leu 40	Gln 59	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	78096.2
Non-Polymers*	Number of molecules	4
	Total formula weight	600.5
All*	Total formula weight	78696.7

*Water molecules are not included.