4DMW

Crystal structure of the GT domain of Clostridium difficile toxin A (TcdA) in complex with UDP and Manganese

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Toxin A	polymer	556	64541.7	1	UniProt (P16154) Pfam (PF12918) Pfam (PF12919)	Clostridium difficile	TcdA
2	B (A)	MANGANESE (II) ION	non-polymer		54.9	1	Chemie (MN)
3	C (A)	URIDINE-5'-DIPHOSPHATE	non-polymer		404.2	1	Chemie (UDP)
4	D (A)	water	water		18.0	65	Chemie (HOH)

Sequence modifications

A: 1 - 541 (UniProt: P16154)

PDB	External Database	Details
Met -14	-	expression tag
Ala -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
Asp -6	-	expression tag
Asp -5	-	expression tag
Asp -4	-	expression tag
Asp -3	-	expression tag
Lys -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	64541.7
Non-Polymers*	Number of molecules	2
	Total formula weight	459.1
All*	Total formula weight	65000.8

*Water molecules are not included.