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(-) Description

Title :  FHUA FROM E. COLI, WITH ITS LIGAND FERRICHROME
 
Authors :  K. P. Locher, B. Rees, R. Koebnik, A. Mitschler, L. Moulinier, J. P. Rosenbusch, D. Moras
Date :  23 Oct 98  (Deposition) - 13 Jan 99  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Fhua, Membrane Protein, Ligand-Gated, Iron Transport, Ferrichrome, Metal Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. P. Locher, B. Rees, R. Koebnik, A. Mitschler, L. Moulinier, J. P. Rosenbusch, D. Moras
Transmembrane Signaling Across The Ligand-Gated Fhua Receptor: Crystal Structures Of Free And Ferrichrome-Bound States Reveal Allosteric Changes.
Cell(Cambridge, Mass. ) V. 95 771 1998
PubMed-ID: 9865695  |  Reference-DOI: 10.1016/S0092-8674(00)81700-6
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - FERRIC HYDROXAMATE UPTAKE PROTEIN
    Chains: A
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Synonym: FHUA
 
Molecule 2 - FERRICHROME
    Chains: B
    Organism Scientific: USTILAGO SPHAEROGENA
    Organism Taxid: 5271

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 12)

Asymmetric/Biological Unit (3, 12)
No.NameCountTypeFull Name
1AHO3Mod. Amino AcidN-ACETYL-N-HYDROXY-L-ORNITHINE
2FE1Ligand/IonFE (III) ION
3OES8Ligand/IonN-OCTYL-2-HYDROXYETHYL SULFOXIDE

(-) Sites  (9, 9)

Asymmetric Unit (9, 9)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREAHO B:801 , AHO B:802 , AHO B:803BINDING SITE FOR RESIDUE FE B 800
2AC2SOFTWARETHR A:176 , SER A:200 , GLN A:211 , TYR A:213 , PHE A:290 , LEU A:361BINDING SITE FOR RESIDUE OES A 715
3AC3SOFTWAREGLY A:169 , TRP A:221 , OES A:719BINDING SITE FOR RESIDUE OES A 716
4AC4SOFTWAREPHE A:180 , THR A:432 , VAL A:434 , TRP A:455 , PHE A:714BINDING SITE FOR RESIDUE OES A 717
5AC5SOFTWAREPHE A:294 , OES A:722BINDING SITE FOR RESIDUE OES A 718
6AC6SOFTWAREPHE A:166 , LYS A:167 , ALA A:168 , TYR A:284 , VAL A:296 , GLN A:298 , VAL A:676 , ALA A:708 , ALA A:710 , OES A:716BINDING SITE FOR RESIDUE OES A 719
7AC7SOFTWAREPHE A:302 , GLU A:304 , GLN A:353 , TYR A:664BINDING SITE FOR RESIDUE OES A 720
8AC8SOFTWAREPHE A:180BINDING SITE FOR RESIDUE OES A 721
9AC9SOFTWAREASN A:237 , OES A:718BINDING SITE FOR RESIDUE OES A 722

(-) SS Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1A:318 -A:329
2A:692 -A:698

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1BY5)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1BY5)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1TONB_DEPENDENT_REC_2PS01156 TonB-dependent receptor proteins signature 2.FHUA_ECOLI730-747  1A:697-714

(-) Exons   (0, 0)

(no "Exon" information available for 1BY5)

(-) 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 A from PDB  Type:PROTEIN  Length:697
 aligned with FHUA_ECOLI | P06971 from UniProtKB/Swiss-Prot  Length:747

    Alignment length:697
                                    60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580       590       600       610       620       630       640       650       660       670       680       690       700       710       720       730       740       
           FHUA_ECOLI    51 QESAWGPAATIAARQSATGTKTDTPIQKVPQSISVVTAEEMALHQPKSVKEALSYTPGVSVGTRGASNTYDHLIIRGFAAEGQSQNNYLNGLKLQGNFYNDAVIDPYMLERAEIMRGPVSVLYGKSSPGGLLNMVSKRPTTEPLKEVQFKAGTDSLFQTGFDFSDSLDDDGVYSYRLTGLARSANAQQKGSEEQRYAIAPAFTWRPDDKTNFTFLSYFQNEPETGYYGWLPKEGTVEPLPNGKRLPTDFNEGAKNNTYSRNEKMVGYSFDHEFNDTFTVRQNLRFAENKTSQNSVYGYGVCSDPANAYSKQCAALAPADKGHYLARKYVVDDEKLQNFSVDTQLQSKFATGDIDHTLLTGVDFMRMRNDINAWFGYDDSVPLLNLYNPVNTDFDFNAKDPANSGPYRILNKQKQTGVYVQDQAQWDKVLVTLGGRYDWADQESLNRVAGTTDKRDDKQFTWRGGVNYLFDNGVTPYFSYSESFEPSSQVGKDGNIFAPSKGKQYEVGVKYVPEDRPIVVTGAVYNLTKTNNLMADPEGSFFSVEGGEIRARGVEIEAKAALSASVNVVGSYTYTDAEYTTDTTYKGNTPAQVPKHMASLWADYTFFDGPLSGLTLGTGGRYTGSSYGDPANSFKVGSYTVVDALVRYDLARVGMAGSNVALHVNNLFDREYVASCFNTYGCFWGAERQVVATATFRF 747
               SCOP domains d1by5a_ A: Ferric hydroxamate uptake receptor FhuA                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains 1by5A01 A:18-160 Ferric Hydroxamate Uptake Protein; Chain A, domain 1                                                                          1by5A02 A:161-714  [code=2.40.170.20, no name defined]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .........................hhh....eeeeehhhhhhh....hhhhh.................................eee................hhheeeeeeee...hhhh......eeeeeee.......eeeeeeeee...eeeeeeeeeee......eeeeeeeeeeeee......eeeeeeeeeeeee.....eeeeeeeeeeee...................................eeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeeeeee......hhh...hhhh...hhhhh....eeeeeeeeeeeeeeeeeeeeeeeee..eeeeeeeeeeeeeeeeeeeeeee...........................eeeeeeeeeeeeeeeeeeeeeee..eeeeeeeeeeeeeeeeee.....eeeeeeeeeeeeeeeee.....eeeeeeeeeeee..............eeeeeeeeeeee......eeeeeeeeeeeeeee..............eeeeeeeeeeeeee.....eeeeeeeeeeeeeeee..............eeeeeeeeee........eeeeeeeeee...............eeeeeeeeeee.........eeeeeee.......eeee.....eee....eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TONB_DEPENDENT_REC PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1by5 A  18 QESAWGPAATIAARQSATGTKTDTPIQKVPQSISVVTAEEMALHQPKSVKEALSYTPGVSVGTRGASNTYDHLIIRGFAAEGQSQNNYLNGLKLQGNFYNDAVIDPYMLERAEIMRGPVSVLYGKSSPGGLLNMVSKRPTTEPLKEVQFKAGTDSLFQTGFDFSDSLDDDGVYSYRLTGLARSANAQQKGSEEQRYAIAPAFTWRPDDKTNFTFLSYFQNEPETGYYGWLPKEGTVEPLPNGKRLPTDFNEGAKNNTYSRNEKMVGYSFDHEFNDTFTVRQNLRFAENKTSQNSVYGYGVCSDPANAYSKQCAALAPADKGHYLARKYVVDDEKLQNFSVDTQLQSKFATGDIDHTLLTGVDFMRMRNDINAWFGYDDSVPLLNLYNPVNTDFDFNAKDPANSGPYRILNKQKQTGVYVQDQAQWDKVLVTLGGRYDWADQESLNRVAGTTDKRDDKQFTWRGGVNYLFDNGVTPYFSYSESFEPSSQVGKDGNIFAPSKGKQYEVGVKYVPEDRPIVVTGAVYNLTKTNNLMADPEGSFFSVEGGEIRARGVEIEAKRPLSASVNVVGSYTYTDAEYTTDTTYKGNTPAQVPKHMASLWADYTFFDGPLSGLTLGTGGRYTGSSYGDPANSFKVGSYTVVDALVRYDLARVGMAGSNVALHVNNLFDREYVASCFNTYGCFWGAERQVVATATFRF 714
                                    27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327       337       347       357       367       377       387       397       407       417       427       437       447       457       467       477       487       497       507       517       527       537       547       557       567       577       587       597       607       617       627       637       647       657       667       677       687       697       707       


Chain B from PDB  Type:PROTEIN  Length:6
                                      
               SCOP domains ------ SCOP domains
               CATH domains ------ CATH domains
               Pfam domains ------ Pfam domains
         Sec.struct. author ...... Sec.struct. author
                 SAPs(SNPs) ------ SAPs(SNPs)
                    PROSITE ------ PROSITE
                 Transcript ------ Transcript
                 1by5 B 801 aaaGGG 806
                            |||   
                          801-AHO 
                           802-AHO
                            803-AHO
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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: Membrane and cell surface proteins and peptides (2046)

(-) CATH Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1BY5)

(-) Gene Ontology  (14, 14)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (FHUA_ECOLI | P06971)
molecular function
    GO:0048037    cofactor binding    Interacting selectively and non-covalently with a cofactor, a substance that is required for the activity of an enzyme or other protein. Cofactors may be inorganic, such as the metal atoms zinc, iron, and copper in certain forms, or organic, in which case they are referred to as coenzymes. Cofactors may either be bound tightly to active sites or bind loosely with the substrate.
    GO:0005506    iron ion binding    Interacting selectively and non-covalently with iron (Fe) ions.
    GO:0004872    receptor activity    Combining with an extracellular or intracellular messenger to initiate a change in cell activity.
    GO:0015344    siderophore uptake transmembrane transporter activity    Enables the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: siderophore-iron(ferrioxamine)(out) + H+(out) = siderophore-iron(ferrioxamine)(in) + H+(in).
    GO:0015643    toxic substance binding    Interacting selectively and non-covalently with a toxic substance, a poisonous substance that causes damage to biological systems.
    GO:0046790    virion binding    Interacting selectively and non-covalently with a virion, either by binding to components of the capsid or the viral envelope.
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:0044718    siderophore transmembrane transport    The directed movement of siderophores, low molecular weight Fe(III)-chelating substances, from one side of a membrane to the other, by means of some agent such as a transporter or pore.
    GO:0015891    siderophore transport    The directed movement of siderophores, low molecular weight Fe(III)-chelating substances, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    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:0009279    cell outer membrane    A lipid bilayer that forms the outermost membrane of the cell envelope; enriched in polysaccharide and protein; the outer leaflet of the membrane contains specific lipopolysaccharide structures.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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 Related Entries

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

UniProtKB/Swiss-Prot
        FHUA_ECOLI | P06971: 1by3 1fcp 1fi1 1qff 1qfg 1qjq 1qkc 2fcp 2grx 4cu4

(-) Related Entries Specified in the PDB File

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