1YBI

Crystal structure of HA33A, a neurotoxin-associated protein from Clostridium botulinum type A

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)	non-toxin haemagglutinin HA34	polymer	288	33251.8	2	UniProt (Q45871) Pfam (PF14200)	Clostridium botulinum	HA33A, HA33/A
2	C, D (A, B)	water	water		18.0	564	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	66503.7
All*	Total formula weight	66503.7

*Water molecules are not included.