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(-) Description

Title :  E. COLI FERRIC HYDROXAMATE UPTAKE RECEPTOR (FHUA) IN COMPLEX WITH BOUND FERRICHROME-IRON
 
Authors :  A. D. Ferguson, E. Hofmann, J. W. Coulton, K. Diederichs, W. Welte
Date :  10 Apr 99  (Deposition) - 26 Jul 00  (Release) - 20 Jun 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.70
Chains :  Asym./Biol. Unit :  A
Keywords :  Tonb-Dependent Receptor, Integral Outer Membrane Protein, Siderophore-Iron Receptor, Active Transport, Lipopolysaccharide, Ferrichrome Receptor, Metal Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. D. Ferguson, W. Welte, E. Hofmann, B. Lindner, O. Holst, J. W. Coulton, K. Diederichs
A Conserved Structural Motif For Lipopolysaccharide Recognition By Procaryotic And Eucaryotic Proteins.
Structure Fold. Des. V. 8 585 2000
PubMed-ID: 10873859  |  Reference-DOI: 10.1016/S0969-2126(00)00143-X
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - FERRIC HYDROXAMATE UPTAKE RECEPTOR
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Cellular Location: OUTER MEMBRANE
    Expression System Plasmid: PHX405
    Expression System Strain: K-12 DL41
    Expression System Taxid: 562
    Mutation: YES
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Other Details: COMPLEXED WITH LIPOPOLYSACCHARIDE
    Strain: K-12
    Synonym: FHUA
    Variant: RA CHEMOTYPE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (15, 32)

Asymmetric/Biological Unit (15, 32)
No.NameCountTypeFull Name
1DAO1Ligand/IonLAURIC ACID
2DDQ2Ligand/IonDECYLAMINE-N,N-DIMETHYL-N-OXIDE
3DPO1Ligand/IonDIPHOSPHATE
4EAP1Ligand/Ion2-AMINO-VINYL-PHOSPHATE
5FCI1Ligand/IonFERRICROCIN-IRON
6FTT4Ligand/Ion3-HYDROXY-TETRADECANOIC ACID
7GCN1Ligand/Ion3-DEOXY-D-GLUCOSAMINE
8GLA1Ligand/IonALPHA D-GALACTOSE
9GLC2Ligand/IonALPHA-D-GLUCOSE
10GMH2Ligand/IonL-GLYCERO-D-MANNO-HEPTOPYRANOSE
11KDO2Ligand/Ion3-DEOXY-D-MANNO-OCT-2-ULOSONIC ACID
12MSE10Mod. Amino AcidSELENOMETHIONINE
13MYR1Ligand/IonMYRISTIC ACID
14PA11Ligand/Ion2-AMINO-2-DEOXY-ALPHA-D-GLUCOPYRANOSE
15PO42Ligand/IonPHOSPHATE ION

(-) Sites  (22, 22)

Asymmetric Unit (22, 22)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREARG A:382 , ARG A:384 , GCN A:1001 , KDO A:1003 , FTT A:1009 , FTT A:1010 , FTT A:1011 , DPO A:2000 , HOH A:2012BINDING SITE FOR RESIDUE PA1 A 1000
02AC2SOFTWAREPA1 A:1000 , KDO A:1002 , FTT A:1011 , FTT A:1013 , PO4 A:2001 , HOH A:2087BINDING SITE FOR RESIDUE GCN A 1001
03AC3SOFTWARELYS A:351 , GLN A:353 , ARG A:384 , ASP A:386 , GCN A:1001 , KDO A:1003 , GMH A:1004 , HOH A:2078BINDING SITE FOR RESIDUE KDO A 1002
04AC4SOFTWAREARG A:384 , PA1 A:1000 , KDO A:1002 , GMH A:1004 , GLC A:1007 , EAP A:2004 , HOH A:2108BINDING SITE FOR RESIDUE KDO A 1003
05AC5SOFTWAREARG A:474 , KDO A:1002 , KDO A:1003 , GMH A:1005 , EAP A:2004 , HOH A:2111BINDING SITE FOR RESIDUE GMH A 1004
06AC6SOFTWAREGMH A:1004 , GLC A:1006 , EAP A:2004 , PO4 A:2005BINDING SITE FOR RESIDUE GMH A 1005
07AC7SOFTWAREHIS A:408 , GMH A:1005 , GLC A:1007 , GLA A:1008BINDING SITE FOR RESIDUE GLC A 1006
08AC8SOFTWAREKDO A:1003 , GLC A:1006BINDING SITE FOR RESIDUE GLC A 1007
09AC9SOFTWAREHIS A:408 , GLC A:1006BINDING SITE FOR RESIDUE GLA A 1008
10BC1SOFTWAREGLU A:304 , LYS A:351 , GCN A:1001 , FTT A:1013BINDING SITE FOR RESIDUE PO4 A 2001
11BC2SOFTWAREHIS A:408 , HIS A:412 , GMH A:1005 , HOH A:2136 , HOH A:2137 , HOH A:2138BINDING SITE FOR RESIDUE PO4 A 2005
12BC3SOFTWARETYR A:284 , GLN A:298 , PHE A:355 , PHE A:380 , ARG A:382 , PA1 A:1000 , FTT A:1010 , DAO A:1012 , DPO A:2000BINDING SITE FOR RESIDUE FTT A 1009
13BC4SOFTWAREPA1 A:1000 , FTT A:1009 , FTT A:1011BINDING SITE FOR RESIDUE FTT A 1010
14BC5SOFTWARETYR A:284 , PHE A:302 , GLN A:353 , ARG A:382 , PA1 A:1000 , GCN A:1001 , FTT A:1010 , DAO A:1012 , FTT A:1013BINDING SITE FOR RESIDUE FTT A 1011
15BC6SOFTWARETYR A:284 , LEU A:300 , PHE A:355 , ARG A:382 , FTT A:1009 , FTT A:1011BINDING SITE FOR RESIDUE DAO A 1012
16BC7SOFTWAREPHE A:231 , VAL A:282 , PHE A:302 , GCN A:1001 , FTT A:1011 , MYR A:1014 , PO4 A:2001BINDING SITE FOR RESIDUE FTT A 1013
17BC8SOFTWAREPHE A:235 , VAL A:282 , PHE A:302 , GLU A:304 , FTT A:1013BINDING SITE FOR RESIDUE MYR A 1014
18BC9SOFTWARELYS A:439 , LYS A:441 , PA1 A:1000 , FTT A:1009BINDING SITE FOR RESIDUE DPO A 2000
19CC1SOFTWARELYS A:260 , KDO A:1003 , GMH A:1004 , GMH A:1005 , HOH A:2143BINDING SITE FOR RESIDUE EAP A 2004
20CC2SOFTWAREARG A:81 , GLY A:99 , GLN A:100 , TYR A:116 , TYR A:244 , TRP A:246 , TYR A:313 , TYR A:315 , PHE A:391BINDING SITE FOR RESIDUE FCI A 1050
21CC3SOFTWAREALA A:625 , TYR A:649BINDING SITE FOR RESIDUE DDQ A 1101
22CC4SOFTWAREASP A:186 , GLY A:647BINDING SITE FOR RESIDUE DDQ A 1102

(-) SS Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1A:318 -A:329
2A:703 -A:709

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) 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:708-725

(-) Exons   (0, 0)

(no "Exon" information available for 1QFF)

(-) 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:707
 aligned with FHUA_ECOLI | P06971 from UniProtKB/Swiss-Prot  Length:747

    Alignment length:707
                                                                                                                                                                                                                                                                                                                                                                                                                            438         439                                                                                                                                                                                                                                                                                                                    
                                    61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431      |  -       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    52 ESAWGPAATIAARQSATGTKTDTPIQKVPQSISVVTAEEMALHQPKSVKEALSYTPGVSVGTRGASNTYDHLIIRGFAAEGQSQNNYLNGLKLQGNFYNDAVIDPYMLERAEIMRGPVSVLYGKSSPGGLLNMVSKRPTTEPLKEVQFKAGTDSLFQTGFDFSDSLDDDGVYSYRLTGLARSANAQQKGSEEQRYAIAPAFTWRPDDKTNFTFLSYFQNEPETGYYGWLPKEGTVEPLPNGKRLPTDFNEGAKNNTYSRNEKMVGYSFDHEFNDTFTVRQNLRFAENKTSQNSVYGYGVCSDPANAYSKQCAALAPADKGHYLARKYVVDDEKLQNFSVDTQLQSKFATGDIDHTLLTGVDFMRMRNDINAWFGYDDSVPLLNLYNP-----------VNTDFDFNAKDPANSGPYRILNKQKQTGVYVQDQAQWDKVLVTLGGRYDWADQESLNRVAGTTDKRDDKQFTWRGGVNYLFDNGVTPYFSYSESFEPSSQVGKDGNIFAPSKGKQYEVGVKYVPEDRPIVVTGAVYNLTKTNNLMADPEGSFFSVEGGEIRARGVEIEAKAALSASVNVVGSYTYTDAEYTTDTTYKGNTPAQVPKHMASLWADYTFFDGPLSGLTLGTGGRYTGSSYGDPANSFKVGSYTVVDALVRYDLARVGMAGSNVALHVNNLFDREYVASCFNTYGCFWGAERQVVATATFRF 747
               SCOP domains d1qffa_ A: Ferric hydroxamate uptake receptor FhuA                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  SCOP domains
               CATH domains 1qffA01 A:19-160 Ferric Hydroxamate Uptake Protein; Chain A, domain 1                                                                         1qffA02 A:161-715  [code=2.40.170.20, no name defined]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     ---------- CATH domains
               Pfam domains -----------------------Plug-1qffA02 A:42-148                                                                                      ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TonB_dep_Rec-1qffA01 A:488-724                                                                                                                                                                                                               - Pfam domains
         Sec.struct. author ....hhhhhhhh.ee.......ee.hhh...eeeeehhhhhhhh..hhhhhh.....ee.............ee....hhhhh..eee..ee...........hhh.eeeeeeee..hhhhhh.....eeeeeee.......eeeeeeeee....eeeeeeeeee......eeeeeeeeeeeee......eeeeeeeeeeeee.....eeeeeeeeeeee...................................eeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeeeeeeeee..hhhhh.hhhhhh........eeeeeeeeeeeeeeeeeeeeeeeeeeee..eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee.....hhhhhhhh................eeeeeeeeeeeeeeeeeeeeeee..eeeeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeee......eeeeeeeeeee..............eeeeeeeeeeee......eeeeeeeeeeeeeeeeee.......eeeeeeeeeeeeeeeeeeeee..eeeeeeeeeeeeeeee..............eeeeeeeeeee.......eeeeeeeeee..ee.......ee..eeeeeeeeee.hhhhh....eeeeeee.......eeeeee..eeee....eeeeeeeeee Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TONB_DEPENDENT_REC PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1qff A  19 ESAWGPAATIAARQSATGTKTDTPIQKVPQSISVVTAEEmALHQPKSVKEALSYTPGVSVGTRGASNTYDHLIIRGFAAEGQSQNNYLNGLKLQGNFYNDAVIDPYmLERAEImRGPVSVLYGKSSPGGLLNmVSKRPTTEPLKEVQFKAGTDSLFQTGFDFSDSLDDDGVYSYRLTGLARSANAQQKGSEEQRYAIAPAFTWRPDDKTNFTFLSYFQNEPETGYYGWLPKEGTVEPLPNGKRLPTDFNEGAKNNTYSRNEKmVGYSFDHEFNDTFTVRQNLRFAENKTSQNSVYGYGVCSDPANAYSKQCAALAPADKGHYLARKYVVDDEKLQNFSVDTQLQSKFATGDIDHTLLTGVDFmRmRNDINAWFGYDDSVPLLNLYNPSSHHHHHHGSSVNTDFDFNAKDPANSGPYRILNKQKQTGVYVQDQAQWDKVLVTLGGRYDWADQESLNRVAGTTDKRDDKQFTWRGGVNYLFDNGVTPYFSYSESFEPSSQVGKDGNIFAPSKGKQYEVGVKYVPEDRPIVVTGAVYNLTKTNNLmADPEGSFFSVEGGEIRARGVEIEAKAALSASVNVVGSYTYTDAEYTTDTTYKGNTPAQVPKHmASLWADYTFFDGPLSGLTLGTGGRYTGSSYGDPANSFKVGSYTVVDALVRYDLARVGmAGSNVALHVNNLFDREYVASCFNTYGCFWGAERQVVATATFRF 725
                                    28        38        48        58        68        78        88        98       108       118      |128   |   138       148  |    158       168       178       188       198       208       218       228       238       248       258       268       278  |    288       298       308       318       328       338       348       358       368       378  | |  388       398       408       418       428       438       448       458       468       478       488       498       508       518       528       538       548       558  |    568       578       588       598       608       618     | 628       638       648       658       668       678   |   688       698       708       718       
                                                                  58-MSE                                                            125-MSE  |                151-MSE                                                                                                                           281-MSE                                                                                             381-MSE                                                                                                                                                                             561-MSE                                                        624-MSE                                                   682-MSE                                       
                                                                                                                                           132-MSE                                                                                                                                                                                                                                                    383-MSE
   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  (2, 2)

Asymmetric/Biological Unit
(-)
Clan: MBB (97)
(-)
Clan: Ubiquitin (279)

(-) 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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  1qff
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  FHUA_ECOLI | P06971
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 Related Entries

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

UniProtKB/Swiss-Prot
        FHUA_ECOLI | P06971: 1by3 1by5 1fcp 1fi1 1qfg 1qjq 1qkc 2fcp 2grx 4cu4

(-) Related Entries Specified in the PDB File

1qfg SAME PROTEIN WITHOUT THE FERRICHROME