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(-) Description

Title :  CRYSTAL STRUCTURE OF E. COLI OLIGORIBONUCLEASE
 
Authors :  Y. Zuo, A. Malhotra
Date :  22 Sep 06  (Deposition) - 02 Oct 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Rnase, Exoribonuclease, Ribonuclease, Exonuclease, Nuclease, Hydrolase, Mrna Decay (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  T. J. Fiedler, Y. Zuo, A. Malhotra
Crystal Structure Of Oligoribonuclease, The Lone Essential Exoribonuclease In Escherichia Coli
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - OLIGORIBONUCLEASE
    ChainsA, B
    EC Number3.1.-.-
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System PlasmidPUC19
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    GeneORN
    Organism ScientificESCHERICHIA COLI
    Organism Taxid83333
    StrainK12

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 25)

Asymmetric/Biological Unit (3, 25)
No.NameCountTypeFull Name
1ACY8Ligand/IonACETIC ACID
2CD13Ligand/IonCADMIUM ION
3ZN4Ligand/IonZINC ION

(-) Sites  (0, 0)

(no "Site" information available for 2IGI)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2IGI)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2IGI)

(-) Exons   (0, 0)

(no "Exon" information available for 2IGI)

(-) 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:180
 aligned with ORN_ECOLI | P0A784 from UniProtKB/Swiss-Prot  Length:181

    Alignment length:180
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181
            ORN_ECOLI     2 SANENNLIWIDLEMTGLDPERDRIIEIATLVTDANLNILAEGPTIAVHQSDEQLALMDDWNVRTHTASGLVERVKASTMGDREAELATLEFLKQWVPAGKSPICGNSIGQDRRFLFKYMPELEAYFHYRYLDVSTLKELARRWKPEILDGFTKQGTHQAMDDIRESVAELAYYREHFIKL 181
               SCOP domains d2igia_ A: Oligoribonuclease                                                                                                                                                         SCOP domains
               CATH domains 2igiA00 A:1-180  [code=3.30.420.10, no name defined]                                                                                                                                 CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhheeeeeeee.........eeeeeeeee.....eeeeeeeee...hhhhhh..hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhh.........eee.hhhhhhhhhhhhhhhhhhhh...eeehhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2igi A   1 SANENNLIWIDLEMTGLDPERDRIIEIATLVTDANLNILAEGPTIAVHQSDEQLALMDDWNVRTHTASGLVERVKASTMGDREAELATLEFLKQWVPAGKSPICGNSIGQDRRFLFKYMPELEAYFHYRYLDVSTLKELARRWKPEILDGFTKQGTHQAMDDIRESVAELAYYREHFIKL 180
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180

Chain B from PDB  Type:PROTEIN  Length:179
 aligned with ORN_ECOLI | P0A784 from UniProtKB/Swiss-Prot  Length:181

    Alignment length:179
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172         
            ORN_ECOLI     3 ANENNLIWIDLEMTGLDPERDRIIEIATLVTDANLNILAEGPTIAVHQSDEQLALMDDWNVRTHTASGLVERVKASTMGDREAELATLEFLKQWVPAGKSPICGNSIGQDRRFLFKYMPELEAYFHYRYLDVSTLKELARRWKPEILDGFTKQGTHQAMDDIRESVAELAYYREHFIKL 181
               SCOP domains d2igib_ B: Oligoribonuclease                                                                                                                                                        SCOP domains
               CATH domains 2igiB00 B:2-180  [code=3.30.420.10, no name defined]                                                                                                                                CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeeeeee.........eeeeeeeee.....eeeeeeeee...hhhhhh..hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhh.........eee.hhhhhhhhhhhhhhhhhhhh...eeehhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2igi B   2 ANENNLIWIDLEMTGLDPERDRIIEIATLVTDANLNILAEGPTIAVHQSDEQLALMDDWNVRTHTASGLVERVKASTMGDREAELATLEFLKQWVPAGKSPICGNSIGQDRRFLFKYMPELEAYFHYRYLDVSTLKELARRWKPEILDGFTKQGTHQAMDDIRESVAELAYYREHFIKL 180
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171         

   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  (1, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (17, 17)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (ORN_ECOLI | P0A784)
molecular function
    GO:0000175    3'-5'-exoribonuclease activity    Catalysis of the sequential cleavage of mononucleotides from a free 3' terminus of an RNA molecule.
    GO:0004527    exonuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids by removing nucleotide residues from the 3' or 5' end.
    GO:0016896    exoribonuclease activity, producing 5'-phosphomonoesters    Catalysis of the hydrolysis of ester linkages within ribonucleic acids by removing nucleotide residues from the 3' or 5' end to yield 5' phosphomonoesters.
    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:0016788    hydrolase activity, acting on ester bonds    Catalysis of the hydrolysis of any ester bond.
    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.
    GO:0034611    oligoribonucleotidase activity    Catalysis of the exonucleolytic cleavage of oligoribonucleotides to yield ribonucleoside 5'-phosphates.
    GO:0008310    single-stranded DNA 3'-5' exodeoxyribonuclease activity    Catalysis of the sequential cleavage of mononucleotides from a free 3' terminus of a single-stranded DNA molecule.
biological process
    GO:0006259    DNA metabolic process    Any cellular metabolic process involving deoxyribonucleic acid. This is one of the two main types of nucleic acid, consisting of a long, unbranched macromolecule formed from one, or more commonly, two, strands of linked deoxyribonucleotides.
    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:0090501    RNA phosphodiester bond hydrolysis    The RNA metabolic process in which the phosphodiester bonds between ribonucleotides are cleaved by hydrolysis.
    GO:0090503    RNA phosphodiester bond hydrolysis, exonucleolytic    The chemical reactions and pathways involving the hydrolysis of terminal 3',5'-phosphodiester bonds in one or two strands of ribonucleotides.
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        ORN_ECOLI | P0A7841yta

(-) Related Entries Specified in the PDB File

1yta THE SAME PROTEIN UNDER DIFFERENT CRYSTALLIZATION CONDITION