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(-) Description

Title :  COPPER CHAPERONE ATX1 FROM SYNECHOCYSTIS PCC6803 (CU2 FORM)
 
Authors :  A. Badarau, S. J. Firbank, A. A. Mccarthy, M. J. Banfield, C. Dennison
Date :  29 Jul 10  (Deposition) - 18 Aug 10  (Release) - 03 Dec 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.75
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Chaperone, Copper Homeostasis, P-Type Atpases, Metal Transport, Metallochaperone, Cu(I)-Binding, Cu(I)-Cluster, Trafficking (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Badarau, S. J. Firbank, A. A. Mccarthy, M. J. Banfield, C. Dennison
Visualizing The Metal-Binding Versatility Of Copper Trafficking Sites .
Biochemistry V. 49 7798 2010
PubMed-ID: 20726513  |  Reference-DOI: 10.1021/BI101064W

(-) Compounds

Molecule 1 - SSR2857 PROTEIN
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET29A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Organism Scientific: SYNECHOCYSTIS SP. PCC 6803
    Organism Taxid: 1148
    Synonym: ATX1

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 4)

Asymmetric/Biological Unit (1, 4)
No.NameCountTypeFull Name
1CU14Ligand/IonCOPPER (I) ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:12 , CYS A:15 , CYS B:15 , CU1 B:101 , CU1 B:102BINDING SITE FOR RESIDUE CU1 A 101
2AC2SOFTWARECYS A:15 , HIS A:61 , CYS B:12 , CU1 B:101BINDING SITE FOR RESIDUE CU1 A 102
3AC3SOFTWARECYS A:15 , CU1 A:101 , CU1 A:102 , CYS B:12 , CYS B:15BINDING SITE FOR RESIDUE CU1 B 101
4AC4SOFTWARECYS A:12 , CU1 A:101 , CYS B:15 , HIS B:61BINDING SITE FOR RESIDUE CU1 B 102

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2XMU)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2XMU)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2XMU)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2XMU)

(-) Exons   (0, 0)

(no "Exon" information available for 2XMU)

(-) 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:63
 aligned with P73213_SYNY3 | P73213 from UniProtKB/TrEMBL  Length:64

    Alignment length:63
                                    11        21        31        41        51        61   
          P73213_SYNY3    2 TIQLTVPTIACEACAEAVTKAVQNEDAQATVQVDLTSKKVTITSALGEEQLRTAIASAGHEVE 64
               SCOP domains d2xmua_ A: Copper chaperone                                     SCOP domains
               CATH domains 2xmuA00 A:2-64  [code=3.30.70.100, no name defined]             CATH domains
               Pfam domains --------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee.....hhhhhhhhhhhhhh.....eeeee....eeeee...hhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------- Transcript
                  2xmu A  2 TIQLTVPTIACEACAEAVTKAVQNEDAQATVQVDLTSKKVTITSALGEEQLRTAIASAGHEVE 64
                                    11        21        31        41        51        61   


Chain B from PDB  Type:PROTEIN  Length:63
 aligned with P73213_SYNY3 | P73213 from UniProtKB/TrEMBL  Length:64

    Alignment length:63
                                    11        21        31        41        51        61   
          P73213_SYNY3    2 TIQLTVPTIACEACAEAVTKAVQNEDAQATVQVDLTSKKVTITSALGEEQLRTAIASAGHEVE 64
               SCOP domains d2xmub_ B: Copper chaperone                                     SCOP domains
               CATH domains 2xmuB00 B:2-64  [code=3.30.70.100, no name defined]             CATH domains
           Pfam domains (1) --HMA-2xmuB01 B:4-62                                         -- Pfam domains (1)
           Pfam domains (2) --HMA-2xmuB02 B:4-62                                         -- Pfam domains (2)
         Sec.struct. author .eeee.....hhhhhhhhhhhhhh.....eeeee....eeeee...hhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------- Transcript
                  2xmu B  2 TIQLTVPTIACEACAEAVTKAVQNEDAQATVQVDLTSKKVTITSALGEEQLRTAIASAGHEVE 64
                                    11        21        31        41        51        61
   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: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: HMA] (41)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (P73213_SYNY3 | P73213)
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.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
    GO:0046916    cellular transition metal ion homeostasis    Any process involved in the maintenance of an internal steady state of transition metal ions at the level of a cell. A transition metal is an element whose atom has an incomplete d-subshell of extranuclear electrons, or which gives rise to a cation or cations with an incomplete d-subshell. Transition metals often have more than one valency state. Biologically relevant transition metals include vanadium, manganese, iron, copper, cobalt, nickel, molybdenum and silver.
    GO:0030001    metal ion transport    The directed movement of metal ions, any metal ion with an electric charge, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/TrEMBL
        P73213_SYNY3 | P73213: 1sb6 2xmj 2xmk 2xmm 2xmt 2xmv 4a46 4a47

(-) Related Entries Specified in the PDB File

1sb6 SOLUTION STRUCTURE OF A CYANOBACTERIAL COPPERMETALLOCHAPERONE, SCATX1
2xmj VISUALISING THE METAL-BINDING VERSATILITY OF COPPER TRAFFICKING SITES: ATX1 SIDE-TO-SIDE (AEROBIC)
2xmk VISUALISING THE METAL-BINDING VERSATILITY OF COPPER TRAFFICKING SITES: ATX1 SIDE-TO-SIDE (ANAEROBIC)
2xmm VISUALISING THE METAL-BINDING VERSATILITY OF COPPER TRAFFICKING SITES: H61Y ATX1 SIDE-TO-SIDE
2xmt COPPER CHAPERONE ATX1 FROM SYNECHOCYSTIS PCC6803 (CU1 FORM)
2xmv COPPER CHAPERONE ATX1 FROM SYNECHOCYSTIS PCC6803 (CU1, TRIMERIC FORM, HIS61TYR MUTANT)
2xmw PACS, N-TERMINAL DOMAIN, FROM SYNECHOCYSTIS PCC6803