8U5F

Crystal Structure of Trypsinized Clostridium perfringens Enterotoxin

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...	Heat-labile enterotoxin B chain	polymer	348	38151.2	8	UniProt (P01558) Pfam (PF03505) In PDB	Clostridium perfringens
2	E, B, A, F, H...	PHOSPHATE ION	non-polymer		95.0	16	Chemie (PO4)
3	A, C, G, E, B...	GLYCEROL	non-polymer		92.1	89	Chemie (GOL)
4	E, G, H, B	2-(N-MORPHOLINO)-ETHANESULFONIC ACID	non-polymer		195.2	5	Chemie (MES)
5		water	water		18.0	365	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H: 1 - 319 (UniProt: P01558)

PDB	External Database	Details
Gly 320	-	expression tag
Leu 321	-	expression tag
Val 322	-	expression tag
Pro 323	-	expression tag
Arg 324	-	expression tag
Gly 325	-	expression tag
Ser 326	-	expression tag
Gly 327	-	expression tag
Gly 328	-	expression tag
Gly 329	-	expression tag
Gly 330	-	expression tag
Ser 331	-	expression tag
Gly 332	-	expression tag
Gly 333	-	expression tag
Gly 334	-	expression tag
Gly 335	-	expression tag
Ser 336	-	expression tag
Gly 337	-	expression tag
Gly 338	-	expression tag
His 339	-	expression tag
His 340	-	expression tag
His 341	-	expression tag
His 342	-	expression tag
His 343	-	expression tag
His 344	-	expression tag
His 345	-	expression tag
His 346	-	expression tag
His 347	-	expression tag
His 348	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	305209.2
Non-Polymers*	Number of molecules	110
	Total formula weight	10692.1
All*	Total formula weight	315901.3

*Water molecules are not included.