9J7X

Crystal structure of quintuple mutant C terminal fragment of Clostridium perfringens enterotoxin (C-CPEm19)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Heat-labile enterotoxin B chain	polymer	146	16978.0	1	UniProt (P01558)	Clostridium perfringens	Quintuple mutant C terminal fragment of Clostridium perfringens enterotoxin (C-CPEm19)
2	B (A)	water	water		18.0	49	Chemie (HOH)

Sequence modifications

A: 191 - 319 (UniProt: P01558)

PDB	External Database	Details
His 171	-	expression tag
His 172	-	expression tag
His 173	-	expression tag
His 174	-	expression tag
His 175	-	expression tag
His 176	-	expression tag
His 177	-	expression tag
His 178	-	expression tag
His 179	-	expression tag
His 180	-	expression tag
Ser 181	-	expression tag
Ser 182	-	expression tag
Gly 183	-	expression tag
His 184	-	expression tag
Ile 185	-	expression tag
Glu 186	-	expression tag
Phe 187	-	expression tag
Arg 188	-	expression tag
His 189	-	expression tag
Met 190	-	expression tag
Ala 304	Ser 304	engineered mutation
Pro 305	Ser 305	engineered mutation
Arg 307	Ser 307	engineered mutation
His 309	Asn 309	engineered mutation
His 313	Ser 313	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	16978.0
All*	Total formula weight	16978.0

*Water molecules are not included.