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(-) Description

Title :  E. COLI PERIPLASMIC PROTEIN FHUD COMPLEXED WITH DESFERAL
 
Authors :  T. E. Clarke, V. Braun, G. Winkelmann, L. W. Tari, H. J. Vogel
Date :  29 Sep 01  (Deposition) - 17 Apr 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.97
Chains :  Asym./Biol. Unit :  N
Keywords :  Two Domains, Alpha Helix Linker, Metal Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  T. E. Clarke, V. Braun, G. Winkelmann, L. W. Tari, H. J. Vogel
X-Ray Crystallographic Structures Of The Escherichia Coli Periplasmic Protein Fhud Bound To Hydroxamate-Type Siderophores And The Antibiotic Albomycin.
J. Biol. Chem. V. 277 13966 2002
PubMed-ID: 11805094  |  Reference-DOI: 10.1074/JBC.M109385200
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - FERRICHROME-BINDING PERIPLASMIC PROTEIN
    Chains: N
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PMR21
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: FHUD
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Synonym: FHUD

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : N

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1DEF1Ligand/IonDEFEROXAMINE MESYLATE FE(III) COMPLEX

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETRP N:43 , TRP N:68 , ARG N:84 , THR N:85 , TYR N:106 , LEU N:189 , ASN N:215 , TRP N:273 , TYR N:275 , HOH N:401BINDING SITE FOR RESIDUE DEF N 1

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1K2V)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1K2V)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1K2V)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1FE_B12_PBPPS50983 Iron siderophore/cobalamin periplasmic-binding domain profile.FHUD_ECOLI37-296  1N:37-293

(-) Exons   (0, 0)

(no "Exon" information available for 1K2V)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain N from PDB  Type:PROTEIN  Length:262
 aligned with FHUD_ECOLI | P07822 from UniProtKB/Swiss-Prot  Length:296

    Alignment length:262
                                    41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291  
           FHUD_ECOLI    32 AIDPNRIVALEWLPVELLLALGIVPYGVADTINYRLWVSEPPLPDSVIDVGLRTEPNLELLTEMKPSFMVWSAGYGPSPEMLARIAPGRGFNFSDGKQPLAMARKSLTEMADLLNLQSAAETHLAQYEDFIRSMKPRFVKRGARPLLLTTLIDPRHMLVFGPNSLFQEILDEYGIPNAWQGETNFWGSTAVSIDRLAAYKDVDVLCFDHDNSKDMDALMATPLWQAMPFVRAGRFQRVPAVWFYGATLSAMHFVRVLDNAIG 293
               SCOP domains d1k2vn_ N: Periplasmic ferric siderophore binding protein FhuD                                                                                                                                                                                                         SCOP domains
               CATH domains 1k2vN01 N:32-122 Nitrogenase molybdenum iron protein domain                                1k2vN02 N:123-293 Nitrogenase molybdenum iron protein domain                                                                                                                CATH domains
               Pfam domains ------Peripla_BP_2-1k2vN01 N:38-273                                                                                                                                                                                                               -------------------- Pfam domains
         Sec.struct. author ......eee.hhhhhhhhhhh.....ee.hhhhhhhhh.........ee.ee..eehhhhhhhhh..eeeee.....hhhhhhhhh.eeee......hhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh......eeeeeeee..eeeee.....hhhhhhhh..............eeeehhhhhhhh...eeeee...hhhhhhhhhhhhhhhhhhhhhh..eeee.......hhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----FE_B12_PBP  PDB: N:37-293 UniProt: 37-296                                                                                                                                                                                                                         PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1k2v N  32 AIDPNRIVALEWLPVELLLALGIVPYGVADTINYRLWVSEPPLPDSVIDVGLRTEPNLELLTEMKPSFMVWSAGYGPSPEMLARIAPGRGFNFSDGKQPLAMARKSLTEMADLLNLQSAAETHLAQYEDFIRSMKPRFVKRGARPLLLTTLIDPRHMLVFGPNSLFQEILDEYGIPNAWQGETNFWGSTAVSIDRLAAYKDVDVLCFDHDNSKDMDALMATPLWQAMPFVRAGRFQRVPAVWFYGATLSAMHFVRVLDNAIG 293
                                    41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291
   Legend:   → Mismatch (orange background)
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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: Peripla_BP_2] (13)

(-) Gene Ontology  (4, 4)

Asymmetric/Biological Unit(hide GO term definitions)
Chain N   (FHUD_ECOLI | P07822)
biological process
    GO:0006811    ion transport    The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0055072    iron ion homeostasis    Any process involved in the maintenance of an internal steady state of iron ions within an organism or cell.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0042597    periplasmic space    The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or cytoplasmic membrane and cell wall (Fungi and Gram-positive Bacteria).

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        FHUD_ECOLI | P07822: 1efd 1esz 1k7s

(-) Related Entries Specified in the PDB File

1efd PERIPLASMIC FERRIC SIDEROPHORE BINDING PROTEIN FHUD COMPLEXED WITH GALLICHROME
1esz STRUCTURE OF THE PERIPLASMIC FERRIC SIDEROPHORE BINDING PROTEIN FHUD COMPLEXED WITH COPROGEN