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(-) Description

Title :  CRYSTAL STRUCTURE OF SELENOMETHIONINE PCOC, A COPPER RESISTANCE PROTEIN FROM ESCHERICHIA COLI
 
Authors :  A. K. Wernimont, D. L. Huffman, L. A. Finney, B. Demeler, T. V. O'Halloran, A. C. Rosenzweig
Date :  10 Jun 02  (Deposition) - 27 Nov 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.55
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Beta Barrel, Polymethionine Cluster, Metal Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. K. Wernimont, D. L. Huffman, L. A. Finney, B. Demeler, T. V. O'Halloran, A. C. Rosenzweig
Crystal Structure And Dimerization Equilibria Of Pcoc, A Methionine-Rich Copper Resistance Protein From Escherichia Coli
J. Biol. Inorg. Chem. V. 8 185 2003
PubMed-ID: 12459914  |  Reference-DOI: 10.1007/S00775-002-0404-9
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PCOC COPPER RESISTANCE PROTEIN
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PDLHII265
    Expression System Strain: B834(DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: PLASMID PRJ1004
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Synonym: COPPER RESISTANCE PROTEIN C

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 10)

Asymmetric/Biological Unit (1, 10)
No.NameCountTypeFull Name
1MSE10Mod. Amino AcidSELENOMETHIONINE

(-) Sites  (0, 0)

(no "Site" information available for 1IX2)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1IX2)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Val A:9 -Pro A:10
2Val B:9 -Pro B:10

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1IX2)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1IX2)

(-) Exons   (0, 0)

(no "Exon" information available for 1IX2)

(-) 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:102
 aligned with PCOC_ECOLX | Q47454 from UniProtKB/Swiss-Prot  Length:126

    Alignment length:102
                                    34        44        54        64        74        84        94       104       114       124  
           PCOC_ECOLX    25 PELKSSVPQADSAVAAPEKIQLNFSENLTVKFSGAKLTMTGMKGMSSHSPMPVAAKVAPGADPKSMVIIPREPLPAGTYRVDWRAVSSDTHPITGNYTFTVK 126
               SCOP domains d1ix2a_ A: Copper resistance protein C (CopC, PcoC)                                                    SCOP domains
               CATH domains 1ix2A00 A:3-104  [code=2.60.40.1220, no name defined]                                                  CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..eeeee.....ee.....eeeee....hhhhheeeeeeee.........eee.eeeee.....eeeeee......eeeeeeeee.......eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------ Transcript
                 1ix2 A   3 PELKSSVPQADSAVAAPEKIQLNFSENLTVKFSGAKLTmTGmKGmSSHSPmPVAAKVAPGADPKSmVIIPREPLPAGTYRVDWRAVSSDTHPITGNYTFTVK 104
                                    12        22        32        42 |  |   52|       62     |  72        82        92       102  
                                                                 41-MSE |     |             68-MSE                                
                                                                    44-MSE    |                                                   
                                                                       47-MSE |                                                   
                                                                             53-MSE                                               


Chain B from PDB  Type:PROTEIN  Length:103
 aligned with PCOC_ECOLX | Q47454 from UniProtKB/Swiss-Prot  Length:126

    Alignment length:103
                                    33        43        53        63        73        83        93       103       113       123   
           PCOC_ECOLX    24 HPELKSSVPQADSAVAAPEKIQLNFSENLTVKFSGAKLTMTGMKGMSSHSPMPVAAKVAPGADPKSMVIIPREPLPAGTYRVDWRAVSSDTHPITGNYTFTVK 126
               SCOP domains d1ix2b_ B: Copper resistance protein C (CopC, PcoC)                                                     SCOP domains
               CATH domains 1ix2B00 B:2-104  [code=2.60.40.1220, no name defined]                                                   CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeee.....ee.....eeeee....hhhhheeeeeeee.........eee.eeeee.....eeeeee......eeeeeeeee.......eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------- Transcript
                 1ix2 B   2 HPELKSSVPQADSAVAAPEKIQLNFSENLTVKFSGAKLTmTGmKGmSSHSPmPVAAKVAPGADPKSmVIIPREPLPAGTYRVDWRAVSSDTHPITGNYTFTVK 104
                                    11        21        31        41  |  |  51 |      61      | 71        81        91       101   
                                                                  41-MSE |     |             68-MSE                                
                                                                     44-MSE    |                                                   
                                                                        47-MSE |                                                   
                                                                              53-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, 2)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1IX2)

(-) Gene Ontology  (4, 4)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (PCOC_ECOLX | Q47454)
molecular function
    GO:0005507    copper ion binding    Interacting selectively and non-covalently with copper (Cu) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0046688    response to copper 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 copper ion stimulus.
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
        PCOC_ECOLX | Q47454: 1lyq

(-) Related Entries Specified in the PDB File

1lyq 1LYQ CONTAINS THE SAME PROTEIN, NATIVE FORM