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(-) Description

Title :  CRYSTAL STRUCTURE OF AQUIFEX AEOLICUS RNASE H3
 
Authors :  N. Jongruja, D. J. You, K. Eiko, C. Angkawidjaja, Y. Koga, K. Takano, S. K
Date :  22 Dec 11  (Deposition) - 26 Dec 12  (Release) - 26 Dec 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.98
Chains :  Asym./Biol. Unit :  A
Keywords :  Rnase H3, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  N. Jongruja, D. J. You, C. Angkawidjaja, E. Kanaya, Y. Koga, S. Kanaya
Structure And Characterization Of Rnase H3 From Aquifex Aeolicus
Febs J. V. 279 2737 2012
PubMed-ID: 22686566  |  Reference-DOI: 10.1111/J.1742-4658.2012.08657.X

(-) Compounds

Molecule 1 - RIBONUCLEASE HIII
    ChainsA
    EC Number3.1.26.4
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET25B
    Expression System StrainMIC 2067 (DE3)
    Expression System Taxid562
    Expression System Vector TypePLASMID
    GeneAQ_1768, RNHC
    Organism ScientificAQUIFEX AEOLICUS
    Organism Taxid224324
    StrainVF5
    SynonymRNASE HIII

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 3VN5)

(-) Sites  (0, 0)

(no "Site" information available for 3VN5)

(-) SS Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1A:92 -A:76
2A:134 -A:91
3A:171 -A:94

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3VN5)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3VN5)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3VN5)

(-) Exons   (0, 0)

(no "Exon" information available for 3VN5)

(-) 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:255
 aligned with RNH3_AQUAE | O67644 from UniProtKB/Swiss-Prot  Length:257

    Alignment length:255
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251     
           RNH3_AQUAE     2 PSLKISPSEAEKIQNYLVSSGFRKINAPYTLWALEGNGVKVYYYKTGSLLIQGKNSEKVLKEVLNLLEKKKLPGCDESGKGDIFGSLVLCCVCIPEENYLKVSSLNPRDTKRLSDKRVERLYLALKPLVKAYCYEIKPEEYNKLYRKFRNLNKMMTHFYKLLIERVKEECGVSEVVVDKYQPSNPFGEDVIFETEAERNLAVAVASIFARYKFLQSLKEVERELGIKIPKGTSKEVKELAKSLKNPERFIKLNFN 256
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee.hhhhhhhhhhhhhhh..ee.......eeeee..eeeee....eeeee..hhhhhhhhhhhhhhhhhh.eeeee........eeeeeee.hhhhhhhhhhh........hhhhhhhhhhhhhhhheeeeeeehhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...eee............eee......hhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhh..hhhhh.hhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3vn5 A   2 PSLKISPSEAEKIQNYLVSSGFRKINAPYTLWALEGNGVKVYYYKTGSLLIQGKNSEKVLKEVLNLLEKKKLPGCDESGKGDIFGSLVLCCVCIPEENYLKVSSLNPRDTKRLSDKRVERLYLALKPLVKAYCYEIKPEEYNKLYRKFRNLNKMMTHFYKLLIERVKEECGVSEVVVDKYQPSNPFGEDVIFETEAERNLAVAVASIFARYKFLQSLKEVERELGIKIPKGTSKEVKELAKSLKNPERFIKLNFN 256
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251     

   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 3VN5)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3VN5)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3VN5)

(-) Gene Ontology  (16, 16)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (RNH3_AQUAE | O67644)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0004523    RNA-DNA hybrid ribonuclease activity    Catalysis of the endonucleolytic cleavage of RNA in RNA-DNA hybrids to 5'-phosphomonoesters.
    GO:0004519    endonuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids by creating internal breaks.
    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:0000287    magnesium ion binding    Interacting selectively and non-covalently with magnesium (Mg) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0004518    nuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids.
    GO:0003676    nucleic acid binding    Interacting selectively and non-covalently with any nucleic acid.
biological process
    GO:0043137    DNA replication, removal of RNA primer    Removal of the Okazaki RNA primer from the lagging strand of replicating DNA, by a combination of the actions of DNA polymerase, DNA helicase and an endonuclease.
    GO:0006401    RNA catabolic process    The chemical reactions and pathways resulting in the breakdown of RNA, ribonucleic acid, one of the two main type of nucleic acid, consisting of a long, unbranched macromolecule formed from ribonucleotides joined in 3',5'-phosphodiester linkage.
    GO:0016070    RNA metabolic process    The cellular chemical reactions and pathways involving RNA, ribonucleic acid, one of the two main type of nucleic acid, consisting of a long, unbranched macromolecule formed from ribonucleotides joined in 3',5'-phosphodiester linkage.
    GO:0090502    RNA phosphodiester bond hydrolysis, endonucleolytic    The chemical reactions and pathways involving the hydrolysis of internal 3',5'-phosphodiester bonds in one or two strands of ribonucleotides.
    GO:0006298    mismatch repair    A system for the correction of errors in which an incorrect base, which cannot form hydrogen bonds with the corresponding base in the parent strand, is incorporated into the daughter strand. The mismatch repair system promotes genomic fidelity by repairing base-base mismatches, insertion-deletion loops and heterologies generated during DNA replication and recombination.
    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:0032299    ribonuclease H2 complex    A protein complex that possesses ribonuclease H activity, in which the catalytic subunit is a member of the RNase H2 (or HII) class. For example, in Saccharomyces the complex contains Rnh201p, Rnh202p and Rnh203p.

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