1PO0

Crystal structure of ferric citrate transporter FecA in complex with iron-free citrate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Iron(III) dicitrate transport protein fecA precursor	polymer	751	83169.3	1	UniProt (P13036) Pfam (PF07660) Pfam (PF07715) Pfam (PF00593) In PDB	Escherichia coli
2	A	CITRATE ANION	non-polymer		189.1	2	Chemie (FLC)
3		water	water		18.0	256	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	83169.3
Non-Polymers*	Number of molecules	2
	Total formula weight	378.2
All*	Total formula weight	83547.5

*Water molecules are not included.