4R04

Clostridium difficile Toxin A (TcdA)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Toxin A	polymer	1838	209843.8	1	UniProt (P16154) Pfam (PF12918) Pfam (PF12919) Pfam (PF11713) Pfam (PF12920) In PDB	Peptoclostridium difficile	Glucosyl Transferase
2	A	ZINC ION	non-polymer		65.4	1	Chemie (ZN)

Sequence modifications

A: 1 - 1832 (UniProt: P16154)

PDB	External Database	Details
His 1833	-	expression tag
His 1834	-	expression tag
His 1835	-	expression tag
His 1836	-	expression tag
His 1837	-	expression tag
His 1838	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	209843.8
Non-Polymers*	Number of molecules	1
	Total formula weight	65.4
All*	Total formula weight	209909.3

*Water molecules are not included.