2IWV

Structure of the monomeric outer membrane porin OmpG in the open and closed conformation

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	OUTER MEMBRANE PROTEIN G	polymer	281	32936.5	4	UniProt (P76045) Pfam (PF09381) In PDB	ESCHERICHIA COLI	OMPG
2	B, C, D, A	CALCIUM ION	non-polymer		40.1	33	Chemie (CA)
3	A, B, C, D	LAURYL DIMETHYLAMINE-N-OXIDE	non-polymer		229.4	152	Chemie (LDA)
4	B	TRIS(HYDROXYETHYL)AMINOMETHANE	non-polymer		163.2	1	Chemie (TAM)
5		water	water		18.0	460	Chemie (HOH)

Sequence modifications

A, B, C, D: 0 - 0 (PDB: 2IWV)
A, B, C, D: 1 - 280 (UniProt: P76045)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	131746.1
Non-Polymers*	Number of molecules	186
	Total formula weight	36354.9
All*	Total formula weight	168101.0

*Water molecules are not included.