4NBZ

Crystal Structure of TcdA-A1 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, C (A, C)	TcdA	polymer	144	16288.2	2	UniProt (I6YE93) Pfam (PF01473) Pfam (PF19127) UniProt (by SIFTS) (P16154)	Clostridium difficile
2	B, D (B, D)	A26.8 VHH	polymer	152	17010.7	2		Lama glama
3	E, F, G, H (A, B, C, D)	water	water		18.0	480	Chemie (HOH)

Sequence modifications

A, C: 7 - 143 (UniProt: I6YE93)

PDB	External Database	Details
Met 0	-	expression tag
His 1	-	expression tag
His 2	-	expression tag
His 3	-	expression tag
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	66597.7
All*	Total formula weight	66597.7

*Water molecules are not included.