1E1H

Crystal Structure of recombinant Botulinum Neurotoxin Type A Light Chain, self-inhibiting Zn endopeptidase.

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)	BOTULINUM NEUROTOXIN TYPE A LIGHT CHAIN	polymer	287	32153.0	2	UniProt (Q45894) Pfam (PF01742)	CLOSTRIDIUM BOTULINUM	BONT/A LC
2	B, D (B, D)	BOTULINUM NEUROTOXIN TYPE A LIGHT CHAIN	polymer	174	20560.1	2	UniProt (Q45894) Pfam (PF01742)	CLOSTRIDIUM BOTULINUM	BONT/A LC
3	E, F (A, C)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
4	G, H, I, J (A, B, C, D)	water	water		18.0	768	Chemie (HOH)

Sequence modifications

A, C: -37 - 8 (PDB: 1E1H)
A, C: 9 - 249 (UniProt: Q45894)
B, D: 250 - 415 (UniProt: Q45894)
B, D: 416 - 423 (PDB: 1E1H)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	105426.3
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	105557.1

*Water molecules are not included.