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(-) Description

Title :  STRUCTURE AND METAL BINDING PROPERTIES OF ZNUA, A PERIPLASMIC ZINC TRANSPORTER FROM ESCHERICHIA COLI
 
Authors :  L. A. Yatsunyk, L. R. Kim, I. I. Vorontsov, A. C. Rosenzweig
Date :  04 May 07  (Deposition) - 05 Jun 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Protein Consists Of Two (Beta/Alfa)4 Domains, Metal Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. A. Yatsunyk, J. A. Easton, L. R. Kim, S. A. Sugarbaker, B. Bennett, R. M. Breece, I. I. Vorontsov, D. L. Tierney, M. W. Crowder, A. C. Rosenzweig
Structure And Metal Binding Properties Of Znua, A Periplasmic Zinc Transporter From Escherichia Coli.
J. Biol. Inorg. Chem. V. 13 271 2008
PubMed-ID: 18027003  |  Reference-DOI: 10.1007/S00775-007-0320-0
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HIGH-AFFINITY ZINC UPTAKE SYSTEM PROTEIN ZNUA
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric Unit (2, 4)
No.NameCountTypeFull Name
1IPA1Ligand/IonISOPROPYL ALCOHOL
2ZN3Ligand/IonZINC ION
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1IPA1Ligand/IonISOPROPYL ALCOHOL
2ZN-1Ligand/IonZINC ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1IPA-1Ligand/IonISOPROPYL ALCOHOL
2ZN-1Ligand/IonZINC ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:59 , HIS A:60 , HIS A:143 , HIS A:207BINDING SITE FOR RESIDUE ZN A 501
2AC2SOFTWAREGLU B:59 , HIS B:60 , HIS B:143 , HIS B:207BINDING SITE FOR RESIDUE ZN B 502
3AC3SOFTWAREHIS A:224 , VAL A:227BINDING SITE FOR RESIDUE ZN A 503
4AC4SOFTWAREVAL A:156 , GLU A:181 , HOH A:710 , ALA B:235 , GLN B:236 , HOH B:716BINDING SITE FOR RESIDUE IPA A 601

(-) SS Bonds  (2, 2)

Asymmetric Unit
No.Residues
1A:252 -A:306
2B:252 -B:306

(-) Cis Peptide Bonds  (3, 3)

Asymmetric Unit
No.Residues
1Gly A:309 -Asp A:310
2Pro B:261 -Ala B:262
3Val B:263 -Val B:264

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2PRS)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2PRS)

(-) Exons   (0, 0)

(no "Exon" information available for 2PRS)

(-) Sequences/Alignments

Asymmetric 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:263
 aligned with ZNUA_ECOLI | P39172 from UniProtKB/Swiss-Prot  Length:310

    Alignment length:284
                                    36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306    
           ZNUA_ECOLI    27 AVVASLKPVGFIASAIADGVTETEVLLPDGASEHDYSLRPSDVKRLQNADLVVWVGPEMEAFMQKPVSKLPGAKQVTIAQLEDVKPLLMKSIHGDDDDHDHAEKSDEDHHHGDFNMHLWLSPEIARATAVAIHGKLVELMPQSRAKLDANLKDFEAQLASTETQVGNELAPLKGKGYFVFHDAYGYFEKQFGLTPLGHFTVNPEIQPGAQRLHEIRTQLVEQKATCVFAEPQFRPAVVESVARGTSVRMGTLDPLGTNIKLGKTSYSEFLSQLANQYASCLKGD 310
               SCOP domains d2prsa_ A: automated matches                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee.hhhhhhhhhhhhh....eee...............hhhhhhhhh.eeee.....hhhhhhhhhhhhhh.eee.hhh..hhhhh..---------------------.....hhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...eeeee..hhhhhhhhh....eeee.......hhhhhhhhhhhhhhh...eeee.....hhhhhhhh.....eeee............hhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2prs A  27 AVVASLKPVGFIASAIADGVTETEVLLPDGASEHDYSLRPSDVKRLQNADLVVWVGPEMEAFMQKPVSKLPGAKQVTIAQLEDVKPLLMK---------------------GDFNMHLWLSPEIARATAVAIHGKLVELMPQSRAKLDANLKDFEAQLASTETQVGNELAPLKGKGYFVFHDAYGYFEKQFGLTPLGHFTVNPEIQPGAQRLHEIRTQLVEQKATCVFAEPQFRPAVVESVARGTSVRMGTLDPLGTNIKLGKTSYSEFLSQLANQYASCLKGD 310
                                    36        46        56        66        76        86        96       106       116         -         - |     146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306    
                                                                                                                   116                   138                                                                                                                                                                            


Chain B from PDB  Type:PROTEIN  Length:264
 aligned with ZNUA_ECOLI | P39172 from UniProtKB/Swiss-Prot  Length:310

    Alignment length:284
                                    36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306    
           ZNUA_ECOLI    27 AVVASLKPVGFIASAIADGVTETEVLLPDGASEHDYSLRPSDVKRLQNADLVVWVGPEMEAFMQKPVSKLPGAKQVTIAQLEDVKPLLMKSIHGDDDDHDHAEKSDEDHHHGDFNMHLWLSPEIARATAVAIHGKLVELMPQSRAKLDANLKDFEAQLASTETQVGNELAPLKGKGYFVFHDAYGYFEKQFGLTPLGHFTVNPEIQPGAQRLHEIRTQLVEQKATCVFAEPQFRPAVVESVARGTSVRMGTLDPLGTNIKLGKTSYSEFLSQLANQYASCLKGD 310
               SCOP domains d2prsb_ B: automated matches                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) -SBP_bac_9-2prsB01 B:28-307                                                                                                                                                                                                                                                              --- Pfam domains (1)
           Pfam domains (2) -SBP_bac_9-2prsB02 B:28-307                                                                                                                                                                                                                                                              --- Pfam domains (2)
         Sec.struct. author .eee.hhhhhhhhhhhhh....eee...............hhhhhhhhh.eeee.....hhhhhhhhhhhhhh.eee.hhh..hhhhh....--------------------....hhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...eee....hhhhhhhhh..eeee.........hhhhhhhhhhhhhhh...eeee........hhhhhh....eeee............hhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2prs B  27 AVVASLKPVGFIASAIADGVTETEVLLPDGASEHDYSLRPSDVKRLQNADLVVWVGPEMEAFMQKPVSKLPGAKQVTIAQLEDVKPLLMKSI--------------------DFNMHLWLSPEIARATAVAIHGKLVELMPQSRAKLDANLKDFEAQLASTETQVGNELAPLKGKGYFVFHDAYGYFEKQFGLTPLGHFTVNPEIQPGAQRLHEIRTQLVEQKATCVFAEPQFRPAVVESVARGTSVRMGTLDPLGTNIKLGKTSYSEFLSQLANQYASCLKGD 310
                                    36        46        56        66        76        86        96       106       116 |       -         -  |    146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306    
                                                                                                                     118                  139
   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, 2)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2PRS)

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: no clan defined [family: SBP_bac_9] (16)

(-) Gene Ontology  (9, 9)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (ZNUA_ECOLI | P39172)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0007155    cell adhesion    The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via cell adhesion molecules.
    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:0030001    metal ion transport    The directed movement of metal ions, any metal ion with an electric charge, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0010043    response to zinc ion    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a zinc ion stimulus.
    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.
    GO:0006829    zinc II ion transport    The directed movement of zinc (Zn II) ions into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
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).
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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 Related Entries

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

UniProtKB/Swiss-Prot
        ZNUA_ECOLI | P39172: 2ogw 2osv 2ps0 2ps3 2ps9

(-) Related Entries Specified in the PDB File

2ogw 2osv 2ps0 2ps3 2ps9