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(-) Description

Title :  AURACYANIN A: A "BLUE" COPPER PROTEIN FROM THE GREEN THERMOPHILIC PHOTOSYNTHETIC BACTERIUM,CHLOROFLEXUS AURANTIACUS
 
Authors :  M. Lee, J. M. Guss, H. C. Freeman
Date :  13 Jul 05  (Deposition) - 11 Jul 06  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.85
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  A  (2x)
Keywords :  Cupredoxin Fold, Electron Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Lee, J. M. Guss, H. C. Freeman
The Crystal Structure Of Auracyanin A At 1. 85 A Resolution: Why The Photosynthetic Bacterium Chloroflexus Needs Two Almost Identical 'Blue' Copper Proteins
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - AURACYANIN A
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPRSETA
    Expression System StrainBL21(DE3)PLYSS
    Expression System Taxid562
    Expression System Vector TypePLASMID
    Organism ScientificCHLOROFLEXUS AURANTIACUS
    Organism Taxid1108

 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
1CU1Ligand/IonCOPPER (II) ION
2SO42Ligand/IonSULFATE ION
Biological Unit 1 (1, 2)
No.NameCountTypeFull Name
1CU-1Ligand/IonCOPPER (II) ION
2SO42Ligand/IonSULFATE ION
Biological Unit 2 (1, 4)
No.NameCountTypeFull Name
1CU-1Ligand/IonCOPPER (II) ION
2SO44Ligand/IonSULFATE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLN A:57 , HIS A:58 , CYS A:123 , HIS A:128 , MET A:132BINDING SITE FOR RESIDUE CU A 140
2AC2SOFTWAREALA A:89 , VAL A:109 , THR A:110 , HOH A:148 , HOH A:156 , HOH A:178 , HOH A:199BINDING SITE FOR RESIDUE SO4 A 143
3AC3SOFTWAREPRO A:82 , LEU A:100 , ASN A:102 , THR A:118 , LYS A:135 , HOH A:204 , HOH A:226 , HOH A:236BINDING SITE FOR RESIDUE SO4 A 144

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Tyr A:129 -Pro A:130

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 1)

Asymmetric Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1COPPER_BLUEPS00196 Type-1 copper (blue) proteins signature.AURA_CHLAA139-156  1A:116-133
Biological Unit 1 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1COPPER_BLUEPS00196 Type-1 copper (blue) proteins signature.AURA_CHLAA139-156  1A:116-133
Biological Unit 2 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1COPPER_BLUEPS00196 Type-1 copper (blue) proteins signature.AURA_CHLAA139-156  2A:116-133

(-) Exons   (0, 0)

(no "Exon" information available for 2AAN)

(-) 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:123
 aligned with AURA_CHLAA | Q8RMH6 from UniProtKB/Swiss-Prot  Length:162

    Alignment length:123
                                    49        59        69        79        89        99       109       119       129       139       149       159   
           AURA_CHLAA    40 GPVTIEIGSKGEELAFDKTELTVSAGQTVTIRFKNNSAVQQHNWILVKGGEAEAANIANAGLSAGPAANYLPADKSNIIAESPLANGNETVEVTFTAPAAGTYLYICTVPGHYPLMQGKLVVN 162
               SCOP domains d2aana_ A: automated matches                                                                                                SCOP domains
               CATH domains 2aanA00 A:17-139 Cupredoxins -  blue copper proteins                                                                        CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeee...........eeeee...eeeeeee..........eee..hhhhhhhhhhhhhhhhhhhh........eeee........eeeeeee....eeeeee..........eeeeeee Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------COPPER_BLUE       ------ PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------- Transcript
                 2aan A  17 GPVTIEIGSKGEELAFDKTELTVSAGQTVTIRFKNNSAVQQHNWILVKGGEAEAANIANAGLSAGPAANYLPADKSNIIAESPLANGNETVEVTFTAPAAGTYLYICTVPGHYPLMQGKLVVN 139
                                    26        36        46        56        66        76        86        96       106       116       126       136   

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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 Unit

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2AAN)

(-) Gene Ontology  (6, 6)

Asymmetric Unit(hide GO term definitions)
Chain A   (AURA_CHLAA | Q8RMH6)
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:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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