4NC0

Crystal Structure of TcdA-A2 Bound to A26.8 VHH

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Cell wall-binding repeat protein	polymer	256	29060.2	1	UniProt (D5RWT1) In PDB	Clostridium difficile
2	B	A26.8 VHH	polymer	130	14593.1	1		Lama glama
3		water	water		18.0	210	Chemie (HOH)

Sequence modifications

A: 14 - 261 (UniProt: D5RWT1)

PDB	External Database	Details
Met 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
His 11	-	expression tag
His 12	-	expression tag
Gly 13	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	43653.3
All*	Total formula weight	43653.3

*Water molecules are not included.