4ELR

Ferric binding protein with iron and carbonate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Iron ABC transporter, periplasmic iron-binding protein	polymer	336	37022.7	2	UniProt (Q5SHV2) Pfam (PF13416) In PDB	Thermus thermophilus	ferric binding protein
2	A, B	FE (III) ION	non-polymer		55.8	2	Chemie (FE)
3	A, B	CARBONATE ION	non-polymer		60.0	2	Chemie (CO3)
4		water	water		18.0	242	Chemie (HOH)

Sequence modifications

A, B: 1 - 330 (UniProt: Q5SHV2)

PDB	External Database	Details
His 331	-	expression tag
His 332	-	expression tag
His 333	-	expression tag
His 334	-	expression tag
His 335	-	expression tag
His 336	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	74045.4
Non-Polymers*	Number of molecules	4
	Total formula weight	231.7
All*	Total formula weight	74277.1

*Water molecules are not included.