3EFX

Novel binding site identified in a hybrid between cholera toxin and heat-labile enterotoxin, 1.9A crystal structure reveals the details

Replaces:  2NZGReplaces:  1TL0

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 enterotoxin subunit B, Heat-labile enterotoxin B chain	polymer	103	11606.2	10	Pfam (PF01376) UniProt (by SIFTS) (P0CK94) UniProt (by SIFTS) (P01556)	Vibrio cholerae
2	K, L, M, N, O... (A, B, C, N, O...)	alpha-L-fucopyranose-(1-2)-[2-acetamido-2-deoxy-alpha-D-galactopyranose-(1-3)]beta-D-galactopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]beta-D-glucopyranose	branched		837.8	10	In PDB GlyTouCan (G62121FH)
3	AA, BA, CA, DA, U... (J, K, L, M, D...)	water	water		18.0	888	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	116062.3
Branched	Number of molecules	10
	Total formula weight	8377.7
All*	Total formula weight	124440.0

*Water molecules are not included.