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(-) Description

Title :  CRYSTAL STRUCTURE OF COPK BOUND TO CU(II)
 
Authors :  M. -R. Ash, M. J. Maher
Date :  27 May 10  (Deposition) - 01 Jun 11  (Release) - 01 Jun 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.29
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Copper (Ii) Bound, Copper Resistance, Methionine Rich, Metal Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. -R. Ash, M. J. Maher
Two New Crystal Forms Of Copper Resistance Protein Copk
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - COPPER RESISTANCE PROTEIN K
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PCX07
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: COPK
    Organism Scientific: CUPRIAVIDUS METALLIDURANS
    Organism Taxid: 266264
    Strain: CH34
    Synonym: COPK

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1CU2Ligand/IonCOPPER (II) ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:19 , GLU A:29BINDING SITE FOR RESIDUE CU A 75
2AC2SOFTWAREHIS B:19 , GLU B:29BINDING SITE FOR RESIDUE CU B 75

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3N7E)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3N7E)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3N7E)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3N7E)

(-) Exons   (0, 0)

(no "Exon" information available for 3N7E)

(-) 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:59
 aligned with COPK_CUPMC | Q58AD3 from UniProtKB/Swiss-Prot  Length:94

    Alignment length:59
                                    34        44        54        64        74         
            COPK_CUPMC   25 NVVKTYDLQDGSKVHVFKDGKMGMENKFGKSMNMPEGKVMETRDGTKIIMKGNEIFRLD 83
               SCOP domains ----------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.....eeeee....eeee.....ee.......ee.....eeeee..eeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------- Transcript
                  3n7e A  5 NVVKTYDLQDGSKVHVFKDGKMGMENKFGKSMNMPEGKVMETRDGTKIIMKGNEIFRLD 63
                                    14        24        34        44        54         


Chain B from PDB  Type:PROTEIN  Length:59
 aligned with COPK_CUPMC | Q58AD3 from UniProtKB/Swiss-Prot  Length:94

    Alignment length:59
                                    34        44        54        64        74         
            COPK_CUPMC   25 NVVKTYDLQDGSKVHVFKDGKMGMENKFGKSMNMPEGKVMETRDGTKIIMKGNEIFRLD 83
               SCOP domains ----------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee.....eeeee....eeee.....eee.....eee.....eeeee..eeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------- Transcript
                  3n7e B  5 NVVKTYDLQDGSKVHVFKDGKMGMENKFGKSMNMPEGKVMETRDGTKIIMKGNEIFRLD 63
                                    14        24        34        44        54
   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  (0, 0)

(no "SCOP Domain" information available for 3N7E)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3N7E)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3N7E)

(-) Gene Ontology  (2, 2)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (COPK_CUPMC | Q58AD3)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
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
        COPK_CUPMC | Q58AD3: 2k0q 2km0 2lel 3dso 3dsp 3n7d

(-) Related Entries Specified in the PDB File

2k0q SOLUTION STRUCTURE OF COPK, A PERIPLASMIC PROTEIN INVOLVED IN COPPER RESISTANCE IN CUPRIAVIDUS METALLIDURANS CH34
2km0 CU(I)-BOUND COPK
3dso CRYSTAL STRUCTURE OF CU(I) BOUND COPPER RESISTANCE PROTEIN COPK
3dsp CRYSTAL STRUCTURE OF APO COPPER RESISTANCE PROTEIN COPK
3n7d CRYSTAL STRUCTURE OF COPK BOUND TO CU(I) AND CU(II)