7LB8

Structure of a ferrichrome importer FhuCDB from E. coli

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(3+)-hydroxamate import system permease protein FhuB	polymer	668	71574.9	1	UniProt (P06972) Pfam (PF01032)	Escherichia coli (strain K12)	Ferric hydroxamate uptake protein B,Ferrichrome transport system permease protein FhuB,Ferrichrome uptake protein FhuB,Iron(III)-hydroxamate import system permease protein FhuB
2	B (D)	Iron(3+)-hydroxamate-binding protein FhuD	polymer	296	33030.3	1	UniProt (P07822) Pfam (PF01497)	Escherichia coli (strain K12)	Ferric hydroxamate uptake protein D,Ferrichrome-binding periplasmic protein,Iron(III)-hydroxamate-binding protein FhuD
3	C, D (U, C)	Iron(3+)-hydroxamate import ATP-binding protein FhuC	polymer	265	28921.4	2	UniProt (P07821) Pfam (PF00005)	Escherichia coli (strain K12)	Ferric hydroxamate uptake protein C,Ferrichrome transport ATP-binding protein FhuC,Iron(III)-hydroxamate import ATP-binding protein FhuC

Sequence modifications

B: 1 - 660 (UniProt: P06972)

PDB	External Database	Details
Asn 45	Asp 45	conflict
Asn 47	Asp 47	conflict
Leu 122	Gln 122	conflict
Thr 342	Ala 342	conflict
Asp 384	Glu 384	conflict
His 661	-	expression tag
His 662	-	expression tag
His 663	-	expression tag
His 664	-	expression tag
His 665	-	expression tag
His 666	-	expression tag
His 667	-	expression tag
His 668	-	expression tag

D: 1 - 296 (UniProt: P07822)

PDB	External Database	Details
Thr 94	Glu 94	conflict
Arg 96	Lys 96	conflict

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	162448.0
All*	Total formula weight	162448.0

*Water molecules are not included.