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(-) Description

Title :  CRYSTAL STRUCTURE OF COPK BOUND TO CU(I) AND 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 :  2.15
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Copper (I) Bound, 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  (2, 3)

Asymmetric/Biological Unit (2, 3)
No.NameCountTypeFull Name
2CU2Ligand/IonCOPPER (II) ION
1CU11Ligand/IonCOPPER (I) ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:19 , GLU A:29BINDING SITE FOR RESIDUE CU A 75
2AC2SOFTWAREMET A:26 , MET A:38 , MET A:54 , HOH A:81BINDING SITE FOR RESIDUE CU1 A 76
3AC3SOFTWAREHIS B:19 , GLU B:29BINDING SITE FOR RESIDUE CU B 75

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3N7D)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3N7D)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3N7D)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3N7D)

(-) Exons   (0, 0)

(no "Exon" information available for 3N7D)

(-) 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
                  3n7d A  5 NVVKTYDLQDGSKVHVFKDGKMGMENKFGKSMNMPEGKVMETRDGTKIIMKGNEIFRLD 63
                                    14        24        34        44        54         


Chain B from PDB  Type:PROTEIN  Length:55
 aligned with COPK_CUPMC | Q58AD3 from UniProtKB/Swiss-Prot  Length:94

    Alignment length:58
                                    35        45        55        65        75        
            COPK_CUPMC   26 VVKTYDLQDGSKVHVFKDGKMGMENKFGKSMNMPEGKVMETRDGTKIIMKGNEIFRLD 83
               SCOP domains ---------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee.....eeee.---..eee.....ee.......ee.....eeeee..eeeee. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------- Transcript
                  3n7d B  6 VVKTYDLQDGSKVHVF---KMGMENKFGKSMNMPEGKVMETRDGTKIIMKGNEIFRLD 63
                                    15     |  25        35        45        55        
                                          21  25
   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 3N7D)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3N7D)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3N7D)

(-) 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 3n7e

(-) 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
3n7e CRYSTAL STRUCTURE OF COPK BOUND TO CU(II)