1G8Z

HIS57ALA MUTANT OF CHOLERA TOXIN B-PENATMER

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 (D, E, F, G, H)	CHOLERA TOXIN B PROTEIN	polymer	103	11556.2	5	UniProt (P01556) Pfam (PF01376)	Vibrio cholerae	CTB
2	F, G, H, I (D, F, G, H)	beta-D-galactopyranose	non-polymer		180.2	4	Chemie (GAL)
3	J, K, L, M, N (D, E, F, G, H)	water	water		18.0	446	Chemie (HOH)

Sequence modifications

D, E, F, G, H: 1 - 103 (UniProt: P01556)

PDB	External Database	Details
Ala 57	His 78	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	57781.0
Non-Polymers*	Number of molecules	4
	Total formula weight	720.6
All*	Total formula weight	58501.6

*Water molecules are not included.