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(-) Description

Title :  PSEUDOAZURIN WITH ENGINEERED AMICYANIN LIGAND LOOP, OXIDIZED FORM, PH 7.5
 
Authors :  M. Velarde, R. Huber, S. Yanagisawa, C. Dennison, A. Messerschmidt
Date :  27 Mar 07  (Deposition) - 21 Aug 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.30
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
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PTRCPAZAMI, PTRC99A
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Vector Type: PLASMID
    Organ: PERIPLASM
    Organism Scientific: ACHROMOBACTER CYCLOCLASTES
    Organism Taxid: 223
    Other Details: THE C-TERMINAL LIGAND-BINDING LOOP BETWEEN H81 AND M86 HAS BEEN REPLACED BY THE RESPECTIVE SHORTER LOOP OF AMICYANIN
    Synonym: BLUE 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 , THR A:67 , THR A:69 , ALA A:70 , TYR A:74 , HOH A:2115BINDING SITE FOR RESIDUE GOL A1124
3AC3SOFTWAREASN A:63 , PRO A:71 , HOH A:2083BINDING SITE FOR RESIDUE CL A1125

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2UX6)

(-) 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 2UX6)

(-) 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 2UX6)

(-) 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: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 d2ux6a_ A: automated matches                                                                                                 SCOP domains
               CATH domains 2ux6A00 A:1-122 Cupredoxins -  blue copper proteins                                                                          CATH domains
               Pfam domains ----Copper-bind-2ux6A01 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
                 2ux6 A   1 ADFEVHMLNKGKDGAMVFEPASLKVAPGDTVTFIPTDKGHNVETIKGMIPDGAEAFKSKINENYKVTFTAPGVYGVKCTPHP--FMVGVVQVGDAPANLEAVKGAKNPKKAQERLDAALAALGN 122
                                    10        20        30        40        50        60        70        80 |  |   88        98       108       118    
                                                                                                            82 83
   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, 1)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: CU_oxidase (192)

(-) 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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  2ux6
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  AZUP_ACHCY | P19567
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 Related Entries

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

UniProtKB/Swiss-Prot
        AZUP_ACHCY | P19567: 1bqk 1bqr 1zia 1zib 2jkw 2ux7 2uxf 2uxg 4yl4

(-) Related Entries Specified in the PDB File

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