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(-) Description

Title :  STRUCTURE OF AN S. POMBE APTX/DNA/AMP/ZN COMPLEX
 
Authors :  P. Tumbale, J. Krahn, R. S. Williams
Date :  19 Jul 11  (Deposition) - 12 Oct 11  (Release) - 23 Nov 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.35
Chains :  Asym. Unit :  A,B,C
Biol. Unit 1:  A,B,C  (2x)
Keywords :  Histidine Triad (Hit), C2He Zinc Finger, Dna Repair, Hydrolase-Dna Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  P. Tumbale, C. D. Appel, R. Kraehenbuehl, P. D. Robertson, J. S. Williams, J. Krahn, I. Ahel, R. S. Williams
Structure Of An Aprataxin-Dna Complex With Insights Into Aoa1 Neurodegenerative Disease.
Nat. Struct. Mol. Biol. V. 18 1189 2011
PubMed-ID: 21984210  |  Reference-DOI: 10.1038/NSMB.2146

(-) Compounds

Molecule 1 - APRATAXIN-LIKE PROTEIN
    ChainsA
    EC Number3.-.-.-
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    FragmentAPTX HIT-ZNF CATALYTIC DOMAIN (UNP RESIDUES 31-232)
    GeneHNT3, SPCC18.09C
    Organism CommonFISSION YEAST
    Organism ScientificSCHIZOSACCHAROMYCES POMBE
    Organism Taxid284812
    StrainATCC 38366 / 972
    SynonymHIT FAMILY PROTEIN 3
 
Molecule 2 - 5'-D(*CP*CP*CP*TP*G)-3'
    ChainsB
    EngineeredYES
    SyntheticYES
 
Molecule 3 - 5'-D(*TP*AP*TP*CP*GP*GP*AP*AP*TP*CP*AP*GP*GP*G)-3'
    ChainsC
    EngineeredYES
    SyntheticYES

 Structural Features

(-) Chains, Units

  123
Asymmetric Unit ABC
Biological Unit 1 (2x)ABC

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 4)

Asymmetric Unit (3, 4)
No.NameCountTypeFull Name
1AMP1Ligand/IonADENOSINE MONOPHOSPHATE
2BME2Ligand/IonBETA-MERCAPTOETHANOL
3ZN1Ligand/IonZINC ION
Biological Unit 1 (2, 6)
No.NameCountTypeFull Name
1AMP2Ligand/IonADENOSINE MONOPHOSPHATE
2BME4Ligand/IonBETA-MERCAPTOETHANOL
3ZN-1Ligand/IonZINC ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHOH A:19 , LEU A:38 , TYR A:41 , ASP A:63 , MET A:64 , PHE A:65 , LYS A:67 , HIS A:71 , HIS A:138 , PRO A:141 , SER A:142 , MET A:143 , HIS A:147 , HIS A:149 , HOH A:246 , HOH A:316 , DC B:1BINDING SITE FOR RESIDUE AMP A 1
2AC2SOFTWARELYS A:134 , VAL A:135 , LYS A:176 , ASP A:178BINDING SITE FOR RESIDUE BME A 2
3AC3SOFTWARESER A:142 , HOH A:316 , DC B:1BINDING SITE FOR RESIDUE BME A 3
4AC4SOFTWARECYS A:200 , CYS A:203 , HIS A:217 , GLU A:221BINDING SITE FOR RESIDUE ZN A 4

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3SZQ)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3SZQ)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3SZQ)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3SZQ)

(-) Exons   (0, 0)

(no "Exon" information available for 3SZQ)

(-) 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:200
 aligned with APTX_SCHPO | O74859 from UniProtKB/Swiss-Prot  Length:232

    Alignment length:200
                                    41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231
           APTX_SCHPO    32 QSFRDNLKVYIESPESYKNVIYYDDDVVLVRDMFPKSKMHLLLMTRDPHLTHVHPLEIMMKHRSLVEKLVSYVQGDLSGLIFDEARNCLSQQLTNEALCNYIKVGFHAGPSMNNLHLHIMTLDHVSPSLKNSAHYISFTSPFFVKIDTPTSNLPTRGTLTSLFQEDLKCWRCGETFGRHFTKLKAHLQEEYDDWLDKSVS 231
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhh..eeee...eeeee........eeeeee...hhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhh....hhhhhhh.eeeeee........eeeeee.........hhhhhhhhhh..eee...hhhhh.hhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3szq A  32 QSFRDNLKVYIESPESYKNVIYYDDDVVLVRDMFPKSKMHLLLMTRDPHLTHVHPLEIMMKHRSLVEKLVSYVQGDLSGLIFDEARNCLSQQLTNEALCNYIKVGFHAGPSMNNLHLHIMTLDHVSPSLKNSAHYISFTSPFFVKIDTPTSNLPTRGTLTSLFQEDLKCWRCGETFGRHFTKLKAHLQEEYDDWLDKSVS 231
                                    41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231

Chain B from PDB  Type:DNA  Length:5
                                     
                 3szq B   1 CCCTG   5

Chain C from PDB  Type:DNA  Length:8
                                        
                 3szq C   7 AATCAGGG  14

   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  (0, 0)

(no "SCOP Domain" information available for 3SZQ)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3SZQ)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3SZQ)

(-) Gene Ontology  (14, 14)

Asymmetric Unit(hide GO term definitions)
Chain A   (APTX_SCHPO | O74859)
molecular function
    GO:0033699    DNA 5'-adenosine monophosphate hydrolase activity    Catalysis of the reaction: 5'-AMP-DNA + H2O = AMP + DNA; nucleophilic release of a covalently linked adenylate residue from a DNA strand, leaving a 5' phosphate terminus.
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0030983    mismatched DNA binding    Interacting selectively and non-covalently with double-stranded DNA containing one or more mismatches.
    GO:1990165    single-strand break-containing DNA binding    Interacting selectively and non-covalently with damaged DNA containing single-strand breaks (SSBs).
    GO:0003697    single-stranded DNA binding    Interacting selectively and non-covalently with single-stranded DNA.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0006281    DNA repair    The process of restoring DNA after damage. Genomes are subject to damage by chemical and physical agents in the environment (e.g. UV and ionizing radiations, chemical mutagens, fungal and bacterial toxins, etc.) and by free radicals or alkylating agents endogenously generated in metabolism. DNA is also damaged because of errors during its replication. A variety of different DNA repair pathways have been reported that include direct reversal, base excision repair, nucleotide excision repair, photoreactivation, bypass, double-strand break repair pathway, and mismatch repair pathway.
    GO:0006974    cellular response to DNA damage stimulus    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
    GO:0090305    nucleic acid phosphodiester bond hydrolysis    The nucleic acid metabolic process in which the phosphodiester bonds between nucleotides are cleaved by hydrolysis.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

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 Related Entries

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

UniProtKB/Swiss-Prot
        APTX_SCHPO | O748593sp4 3spd 3spl 4xba 4ykl

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 3SZQ)