3AZV

Crystal structure of the receptor binding domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	D/C mosaic neurotoxin	polymer	443	52231.4	2	UniProt (A5JGM8) Pfam (PF07953) Pfam (PF07951) UniProt (by SIFTS) (Q9LBR1)	Clostridium botulinum	Neurotoxin
2	C, D (A)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	E, F (A, B)	water	water		18.0	27	Chemie (HOH)

Sequence modifications

A, B: 857 - 1285 (UniProt: A5JGM8)

PDB	External Database	Details
Mse 851	-	expression tag
Glu 852	-	expression tag
Tyr 853	-	expression tag
Phe 854	-	expression tag
Asn 855	-	expression tag
Asn 856	-	expression tag
Leu 1286	-	expression tag
Glu 1287	-	expression tag
His 1288	-	expression tag
His 1289	-	expression tag
His 1290	-	expression tag
His 1291	-	expression tag
His 1292	-	expression tag
His 1293	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	104462.8
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	104655.0

*Water molecules are not included.