1ZCD

Crystal structure of the Na+/H+ antiporter NhaA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Na(+)/H(+) antiporter 1	polymer	388	41388.5	2	UniProt (P13738) Pfam (PF06965) In PDB	Escherichia coli	Sodium/proton antiporter 1

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	82776.9
All*	Total formula weight	82776.9

*Water molecules are not included.