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(-) Description

Title :  CRYSTAL STRUCTURE OF CU(I) BOUND COPPER RESISTANCE PROTEIN COPK
 
Authors :  M. -R. Ash, M. J. Maher
Date :  13 Jul 08  (Deposition) - 10 Mar 09  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.55
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  A  (2x)
Keywords :  Copper (I) Bound, Copper Resistance, Metal Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. X. Chong, M. -R. Ash, M. J. Maher, M. G. Hinds, Z. Xiao, A. G. Wedd
Unprecedented Binding Cooperativity Between Cu(I) And Cu(Ii In The Copper Resistance Protein Copk From Cupriavidus Metallidurans Ch34: Implications From Structural Studies By Nmr Spectroscopy And X-Ray Crystallography
J. Am. Chem. Soc. V. 131 3549 2009
PubMed-ID: 19236095  |  Reference-DOI: 10.1021/JA807354Z

(-) Compounds

Molecule 1 - PUTATIVE UNCHARACTERIZED PROTEIN COPK
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PCX07
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 21-74
    Gene: COPK
    Organism Scientific: RALSTONIA METALLIDURANS
    Organism Taxid: 266264
    Strain: CH34
    Synonym: PUTATIVE UNCHARACTERIZED PROTEIN PRECURSOR

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (1x): A
Biological Unit 2 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric Unit (2, 3)
No.NameCountTypeFull Name
1CU11Ligand/IonCOPPER (I) ION
2SCN2Ligand/IonTHIOCYANATE ION
Biological Unit 1 (2, 3)
No.NameCountTypeFull Name
1CU11Ligand/IonCOPPER (I) ION
2SCN2Ligand/IonTHIOCYANATE ION
Biological Unit 2 (2, 6)
No.NameCountTypeFull Name
1CU12Ligand/IonCOPPER (I) ION
2SCN4Ligand/IonTHIOCYANATE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREMET A:26 , MET A:38 , MET A:54 , SCN A:301BINDING SITE FOR RESIDUE CU1 A 101
2AC2SOFTWAREHIS A:19 , GLY A:27 , LYS A:31 , HOH A:312 , HOH A:315BINDING SITE FOR RESIDUE SCN A 201
3AC3SOFTWAREMET A:38 , GLU A:40 , MET A:54 , GLY A:56 , ASN A:57 , CU1 A:101BINDING SITE FOR RESIDUE SCN A 301

(-) SS Bonds  (0, 0)

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 Sequence-Structure Mapping

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(-) 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:66
 aligned with COPK_CUPMC | Q58AD3 from UniProtKB/Swiss-Prot  Length:94

    Alignment length:66
                                    30        40        50        60        70        80      
            COPK_CUPMC   21 VDMSNVVKTYDLQDGSKVHVFKDGKMGMENKFGKSMNMPEGKVMETRDGTKIIMKGNEIFRLDEAL 86
               SCOP domains ------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhh.eeeeee.....eeeee....eeee.....ee.......ee.....eeeee..eeee..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------ Transcript
                  3dso A  1 VDMSNVVKTYDLQDGSKVHVFKDGKMGMENKFGKSMNMPEGKVMETRDGTKIIMKGNEIFRLDEAL 66
                                    10        20        30        40        50        60
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 Classification and Annotation

(-) SCOP Domains  (0, 0)

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

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(-) Pfam Domains  (0, 0)

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(-) Gene Ontology  (2, 2)

Asymmetric Unit(hide GO term definitions)
Chain A   (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 3dsp 3n7d 3n7e

(-) Related Entries Specified in the PDB File

2k0q SOLUTION STRUCTURE OF APO COPK
3dsp CRYSTAL STRUCTURE OF COPK, APO FORM