8YRM

Iota toxin Ib pore serine-clamp mutant

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E... (A, B, C, D, E...)	Iota toxin component Ib	polymer	528	58241.9	7	UniProt (Q46221)	Clostridium perfringens
2	H, I, J, K, L... (A, B, C, D, E...)	CALCIUM ION	non-polymer		40.1	14	Chemie (CA)

Sequence modifications

A, B, C, D, E, F, G: 216 - 743 (UniProt: Q46221)

PDB	External Database	Details
Ser 454	Phe 454	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	7
	Total formula weight	407693.2
Non-Polymers*	Number of molecules	14
	Total formula weight	561.1
All*	Total formula weight	408254.3

*Water molecules are not included.