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(-) Description

Title :  CRYSTAL STRUCTURE OF PCOC, A METHIONINE RICH COPPER RESISTANCE PROTEIN FROM ESCHERICHIA COLI
 
Authors :  A. K. Wernimont, D. L. Huffman, L. A. Finney, B. Demeler, T. V. O'Hallora A. C. Rosenzweig
Date :  07 Jun 02  (Deposition) - 27 Nov 02  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.50
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Beta Barrel, Ig Domain, 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

(-) Compounds

Molecule 1 - PCOC COPPER RESISTANCE PROTEIN
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PDLHII265
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    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 Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 5)

Asymmetric Unit (1, 5)
No.NameCountTypeFull Name
1GOL5Ligand/IonGLYCEROL
Biological Unit 1 (1, 4)
No.NameCountTypeFull Name
1GOL4Ligand/IonGLYCEROL
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREVAL A:32 , SER A:35 , VAL A:59 , HOH A:1017 , HOH A:1032 , HOH A:1063 , HOH A:1108 , VAL B:59 , HOH B:1021 , HOH B:1033 , HOH B:1034BINDING SITE FOR RESIDUE GOL A 1001
2AC2SOFTWARELEU A:5 , HOH A:1014 , HOH A:1022 , HOH A:1028 , HOH A:1039 , HOH A:1072 , HOH A:1099 , HOH A:1147BINDING SITE FOR RESIDUE GOL A 1002
3AC3SOFTWAREASP B:13 , HOH B:1049 , HOH B:1142 , HOH B:1154BINDING SITE FOR RESIDUE GOL B 1004
4AC4SOFTWAREMET A:44 , LYS A:45 , HOH A:1077 , HOH A:1109 , HOH A:1150 , HOH A:1152 , ARG B:82 , HOH B:1079BINDING SITE FOR RESIDUE GOL A 1005
5AC5SOFTWARELYS A:6 , SER A:27 , GLU A:28 , LYS A:66BINDING SITE FOR RESIDUE GOL A 1006

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric 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 1LYQ)

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1LYQ)

(-) 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:101
 aligned with PCOC_ECOLX | Q47454 from UniProtKB/Swiss-Prot  Length:126

    Alignment length:104
                                    32        42        52        62        72        82        92       102       112       122    
           PCOC_ECOLX    23 AHPELKSSVPQADSAVAAPEKIQLNFSENLTVKFSGAKLTMTGMKGMSSHSPMPVAAKVAPGADPKSMVIIPREPLPAGTYRVDWRAVSSDTHPITGNYTFTVK 126
               SCOP domains d1lyqa_ A: Copper resistance protein C (CopC,    PcoC)                                                   SCOP domains
               CATH domains 1lyqA00 A:1-104  [code=2.60.40.1220, no name    defined]                                                 CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eeeee.....ee.....eeeee....hhhhheeeeeeeee.---....ee..eeeee.....eeeeee......eeeeeeeee.......eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------- Transcript
                 1lyq A   1 AHPELKSSVPQADSAVAAPEKIQLNFSENLTVKFSGAKLTMTGMK---SHSPMPVAAKVAPGADPKSMVIIPREPLPAGTYRVDWRAVSSDTHPITGNYTFTVK 104
                                    10        20        30        40    |   50        60        70        80        90       100    
                                                                       45  49                                                       


Chain B from PDB  Type:PROTEIN  Length:104
 aligned with PCOC_ECOLX | Q47454 from UniProtKB/Swiss-Prot  Length:126

    Alignment length:104
                                    32        42        52        62        72        82        92       102       112       122    
           PCOC_ECOLX    23 AHPELKSSVPQADSAVAAPEKIQLNFSENLTVKFSGAKLTMTGMKGMSSHSPMPVAAKVAPGADPKSMVIIPREPLPAGTYRVDWRAVSSDTHPITGNYTFTVK 126
               SCOP domains d1lyqb_ B: Copper resistance protein C (CopC, PcoC)                                                      SCOP domains
               CATH domains 1lyqB00 B:1-104  [code=2.60.40.1220, no name defined]                                                    CATH domains
           Pfam domains (1) -CopC-1lyqB01 B:2-104                                                                                    Pfam domains (1)
           Pfam domains (2) -CopC-1lyqB02 B:2-104                                                                                    Pfam domains (2)
         Sec.struct. author ....eeeee.....ee.....eeeee....hhhhheeeeeeeee........ee..eeeee.....eeeeee......eeeeeeeee.......eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------- Transcript
                 1lyq B   1 AHPELKSSVPQADSAVAAPEKIQLNFSENLTVKFSGAKLTMTGMKGMSSHSPMPVAAKVAPGADPKSMVIIPREPLPAGTYRVDWRAVSSDTHPITGNYTFTVK 104
                                    10        20        30        40        50        60        70        80        90       100
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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  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: All beta proteins (24004)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: E-set (290)

(-) Gene Ontology  (4, 4)

Asymmetric 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: 1ix2

(-) Related Entries Specified in the PDB File

1ix2 1IX2 CONTAINS SELENOMETHIONINE PCOC, A COPPER RESISTANCE PROTEIN