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(-) Description

Title :  PSEUDOAZURIN WITH ENGINEERED AMICYANIN LIGAND LOOP, REDUCED FORM, PH 5.5
 
Authors :  M. Velarde, R. Huber, S. Yanagisawa, C. Dennison, A. Messerschmidt
Date :  28 Mar 07  (Deposition) - 21 Aug 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.99
Chains :  Asym./Biol. Unit :  A
Keywords :  Type-1 Copper, Metal-Binding, Redox Potential, Copper, Transport, Cupredoxin, Periplasmic, Electron Transport, Spectroscopic Properties, Loop Shortening, Protein Scaffold, Electron Transfer (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Velarde, R. Huber, S. Yanagisawa, C. Dennison, A. Messerschmidt
Influence Of Loop Shortening On The Metal Binding Site Of Cupredoxin Pseudoazurin.
Biochemistry V. 46 9981 2007
PubMed-ID: 17685636  |  Reference-DOI: 10.1021/BI701113W

(-) Compounds

Molecule 1 - PSEUDOAZURIN
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPTRCPAZAMI, PTRC99A
    Expression System StrainBL21
    Expression System Taxid511693
    Expression System Vector TypePLASMID
    OrganPERIPLASM
    Organism ScientificACHROMOBACTER CYCLOCLASTES
    Organism Taxid223
    Other DetailsTHE C-TERMINAL LIGAND-BINDING LOOP BETWEEN H81 AND M86 HAS BEEN REPLACED BY THE RESPECTIVE SHORTER LOOP OF AMICYANIN
    SynonymBLUE COPPER PROTEIN

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (3, 3)
No.NameCountTypeFull Name
1CL1Ligand/IonCHLORIDE ION
2CU1Ligand/IonCOPPER (II) ION
3GOL1Ligand/IonGLYCEROL

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:40 , CYS A:78 , HIS A:81 , MET A:84BINDING SITE FOR RESIDUE CU A1123
2AC2SOFTWAREALA A:53 , GLU A:54 , VAL A:66 , THR A:67 , THR A:69 , ALA A:70 , TYR A:74 , HOH A:2110BINDING SITE FOR RESIDUE GOL A1124
3AC3SOFTWAREASN A:63 , ALA A:70 , PRO A:71 , HOH A:2081BINDING SITE FOR RESIDUE CL A1125

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Glu A:19 -Pro A:20

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1COPPER_BLUEPS00196 Type-1 copper (blue) proteins signature.AZUP_ACHCY100-114  1A:72-84

(-) Exons   (0, 0)

(no "Exon" information available for 2UXG)

(-) 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
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Chain A from PDB  Type:PROTEIN  Length:122
 aligned with AZUP_ACHCY | P19567 from UniProtKB/Swiss-Prot  Length:152

    Alignment length:124
                                    38        48        58        68        78        88        98       108       118       128       138       148    
           AZUP_ACHCY    29 ADFEVHMLNKGKDGAMVFEPASLKVAPGDTVTFIPTDKGHNVETIKGMIPDGAEAFKSKINENYKVTFTAPGVYGVKCTPHYGMGMVGVVQVGDAPANLEAVKGAKNPKKAQERLDAALAALGN 152
               SCOP domains d2uxga_ A: automated matches                                                                                                 SCOP domains
               CATH domains 2uxgA00 A:1-122 Cupredoxins -  blue copper proteins                                                                          CATH domains
               Pfam domains ----Copper-bind-2uxgA01 A:5-91                                                    --         ------------------------------- Pfam domains
         Sec.struct. author .eeeeeeeeee..eeeeee..eeee...eeeeeee.......ee...................eeeee...eeeeeee..ee--eeeeeeee.....hhhhhhh...hhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------COPPER_BLUE    -------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------- Transcript
                 2uxg A   1 ADFEVHMLNKGKDGAMVFEPASLKVAPGDTVTFIPTDKGHNVETIKGMIPDGAEAFKSKINENYKVTFTAPGVYGVKCTPHP--FMVGVVQVGDAPANLEAVKGAKNPKKAQERLDAALAALGN 122
                                    10        20        30        40        50        60        70        80 |  |   88        98       108       118    
                                                                                                            82 83                                       

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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (AZUP_ACHCY | P19567)
molecular function
    GO:0005507    copper ion binding    Interacting selectively and non-covalently with copper (Cu) ions.
    GO:0009055    electron carrier activity    Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
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
        AZUP_ACHCY | P195671bqk 1bqr 1zia 1zib 2jkw 2ux6 2ux7 2uxf 4yl4

(-) Related Entries Specified in the PDB File

1bqk OXIDIZED PSEUDOAZURIN
1bqr REDUCED PSEUDOAZURIN
1zia OXIDIZED PSEUDOAZURIN
1zib REDUCED PSEUDOAZURIN
2ux6 PSEUDOAZURIN WITH ENGINEERED AMICYANIN LIGAND LOOP, OXIDIZED FORM, PH 7.5
2ux7 PSEUDOAZURIN WITH ENGINEERED AMICYANIN LIGAND LOOP, REDUCED FORM, PH 7.5
2uxf PSEUDOAZURIN WITH ENGINEERED AMICYANIN LIGAND LOOP, OXIDIZED FORM, PH 5.5