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(-) Description

Title :  STRUCTURAL CHARACTERIZATION OF THE PPX/GPPA PROTEIN FAMILY: CRYSTAL STRUCTURE OF THE AQUIFEX AEOLICUS FAMILY MEMBER
 
Authors :  O. Kristensen, M. Laurberg, A. Liljas, J. S. Kastrup, M. Gajhede
Date :  06 May 04  (Deposition) - 03 Aug 04  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.53
Chains :  Asym./Biol. Unit :  A
Keywords :  Alpha/Beta Protein, Actin-Like Fold, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  O. Kristensen, M. Laurberg, A. Liljas, J. S. Kastrup, M. Gajhede
Structural Characterization Of The Stringent Response Related Exopolyphosphatase/Guanosine Pentaphosphate Phosphohydrolase Protein Family
Biochemistry V. 43 8894 2004
PubMed-ID: 15248747  |  Reference-DOI: 10.1021/BI049083C
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - EXOPOLYPHOSPHATASE
    ChainsA
    EC Number3.6.1.11, 3.6.1.40
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET28A
    Expression System StrainROSETTA(DE3)PLYSS
    Expression System Taxid562
    Expression System Vector TypePLASMID
    GenePPX
    Organism ScientificAQUIFEX AEOLICUS
    Organism Taxid224324
    StrainVF5
    SynonymPPX/GPPA PHOSPHATASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 11)

Asymmetric/Biological Unit (4, 11)
No.NameCountTypeFull Name
1CA1Ligand/IonCALCIUM ION
2CL3Ligand/IonCHLORIDE ION
3IOD1Ligand/IonIODIDE ION
4MPD6Ligand/Ion(4S)-2-METHYL-2,4-PENTANEDIOL

(-) Sites  (11, 11)

Asymmetric Unit (11, 11)
No.NameEvidenceResiduesDescription
01AC1SOFTWARETYR A:226BINDING SITE FOR RESIDUE IOD A 501
02AC2SOFTWAREASP A:141 , GLY A:143 , SER A:146 , GLU A:148 , HOH A:685 , HOH A:689BINDING SITE FOR RESIDUE CA A 502
03AC3SOFTWAREGLN A:142 , GLY A:143 , GLY A:145 , GLY A:166 , ILE A:167BINDING SITE FOR RESIDUE CL A 503
04AC4SOFTWAREGLY A:166 , ASN A:169 , HOH A:624 , HOH A:972BINDING SITE FOR RESIDUE CL A 504
05AC5SOFTWAREGLN A:142 , ARG A:267BINDING SITE FOR RESIDUE CL A 505
06AC6SOFTWARELYS A:78 , LYS A:258 , HOH A:803 , HOH A:975BINDING SITE FOR RESIDUE MPD A 600
07AC7SOFTWAREHIS A:232 , HOH A:976BINDING SITE FOR RESIDUE MPD A 601
08AC8SOFTWAREGLU A:80 , ARG A:81 , VAL A:82 , ARG A:259 , MPD A:603 , HOH A:695BINDING SITE FOR RESIDUE MPD A 602
09AC9SOFTWAREARG A:81 , TRP A:244 , THR A:247 , GLU A:309 , MPD A:602 , HOH A:966BINDING SITE FOR RESIDUE MPD A 603
10BC1SOFTWAREGLU A:136 , LYS A:153 , ARG A:158 , TYR A:238 , GLU A:283 , HOH A:649 , HOH A:753 , HOH A:759BINDING SITE FOR RESIDUE MPD A 604
11BC2SOFTWAREGLN A:118 , TYR A:122 , LEU A:125 , SER A:304BINDING SITE FOR RESIDUE MPD A 605

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1T6C)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Asp A:178 -Pro A:179
2Tyr A:224 -Pro A:225

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1T6C)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1T6C)

(-) Exons   (0, 0)

(no "Exon" information available for 1T6C)

(-) 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:306
 aligned with O67040_AQUAE | O67040 from UniProtKB/TrEMBL  Length:312

    Alignment length:306
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306      
         O67040_AQUAE     7 PIMRVASIDIGSYSVRLTIAQIKDGKLSIILERGRITSLGTKVKETGRLQEDRIEETIQVLKEYKKLIDEFKVERVKAVATEAIRRAKNAEEFLERVKREVGLVVEVITPEQEGRYAYLAVAYSLKPEGEVCVVDQGGGSTEYVFGKGYKVREVISLPIGIVNLTETFFKQDPPTEEEVKRFFEFLEKELSKVKKPVDTIVGLGGTITTLAALEYNVYPYDPQKVHGKVLTYGQIKKWFDTFKEIPSEERSKRFRQVEDRRAKVILAGIGIFLKTLEIFEKDCLIVSDWGLREGVLVSEVLKENHS 312
               SCOP domains d1t6ca1 A:7-132 Exopolyphosphatase Ppx                                                                                        d1t6ca2 A:133-312 Exopolyphosphatase Ppx                                                                                                                                             SCOP domains
               CATH domains 1t6cA01 A:7-131  [code=3.30.420.40, no name defined]                                                                         1t6cA02 A:132-312 Exopolyphosphatase. Domain 2                                                                                                                                        CATH domains
               Pfam domains -----------------Ppx-GppA-1t6cA01 A:24-309                                                                                                                                                                                                                                                                     --- Pfam domains
         Sec.struct. author ..eeeeeeee...eeeeeeeeee..eeeeeeeeeee.....hhhhhh..hhhhhhhhhhhhhhhhhhhhhh...eeeeeehhhhhh..hhhhhhhhhhhhh...eee.hhhhhhhhhhhhhhhhh....eeeeeeee..eeeeeeee..eeeeeeee..hhhhhhhhhh.....hhhhhhhhhhhhhhhhh.......eeeeehhhhhhhhhhhh.....hhhhhh..eeehhhhhhhhhhhh..hhhhhhhhh...hhhhh.hhhhhhhhhhhhhhhhh..eeeee..hhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1t6c A   7 PIMRVASIDIGSYSVRLTIAQIKDGKLSIILERGRITSLGTKVKETGRLQEDRIEETIQVLKEYKKLIDEFKVERVKAVATEAIRRAKNAEEFLERVKREVGLVVEVITPEQEGRYAYLAVAYSLKPEGEVCVVDQGGGSTEYVFGKGYKVREVISLPIGIVNLTETFFKQDPPTEEEVKRFFEFLEKELSKVKKPVDTIVGLGGTITTLAALEYNVYPYDPQKVHGKVLTYGQIKKWFDTFKEIPSEERSKRFRQVEDRRAKVILAGIGIFLKTLEIFEKDCLIVSDWGLREGVLVSEVLKENHS 312
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306      

   Legend:   → Mismatch (orange background)
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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/Biological Unit

(-) CATH Domains  (2, 2)

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

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit

(-) Gene Ontology  (1, 1)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (O67040_AQUAE | O67040)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.

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  Cis Peptide Bonds
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 Related Entries

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

UniProtKB/TrEMBL
        O67040_AQUAE | O670401t6d 2j4r

(-) Related Entries Specified in the PDB File

1t6d THE SAME PROTEIN(V82M/C138M/V306M) AT RESOLUTION 2.15 A