7A26

Structure of soluble SmhA crystal form 1 of the tripartite alpha-pore forming toxin, Smh, from Serratia marcescens.

This is a non-PDB format compatible entry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	AAA, BBB, CCC, EEE, FFF...	SmhA	polymer	373	40398.3	8	UniProt (A0A1Q4NVM5) In PDB	Serratia marcescens
2	BBB, CCC, FFF, GGG, HHH	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)
3	CCC, FFF, DDD	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
4		water	water		18.0	34	Chemie (HOH)

Sequence modifications

AAA, BBB, CCC, EEE, FFF, GGG, HHH, DDD: 2 - 365 (UniProt: A0A1Q4NVM5)

PDB	External Database	Details
Mse 1	-	initiating methionine
Leu 366	-	expression tag
Glu 367	-	expression tag
His 368	-	expression tag
His 369	-	expression tag
His 370	-	expression tag
His 371	-	expression tag
His 372	-	expression tag
His 373	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	323186.6
Non-Polymers*	Number of molecules	9
	Total formula weight	346.8
All*	Total formula weight	323533.5

*Water molecules are not included.