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(-) Description

Title :  CRYSTAL STRUCTURE OF THE NANOARCHAEUM EQUITANS TRNA SPLICING ENDONUCLEASE STRUCTURAL SUBUNIT
 
Authors :  M. Mitchell, H. Li
Date :  23 Jul 09  (Deposition) - 18 Aug 09  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym. Unit :  X
Biol. Unit 1:  X  (2x)
Keywords :  Protein, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Mitchell, S. Xue, R. Erdman, L. Randau, D. Soll, H. Li
Crystal Structure And Assembly Of The Functional Nanoarchaeum Equitans Trna Splicing Endonuclease.
Nucleic Acids Res. V. 37 5793 2009
PubMed-ID: 19578064  |  Reference-DOI: 10.1093/NAR/GKP537

(-) Compounds

Molecule 1 - NEQ261
    Chains: X
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET28A
    Expression System Strain: BL21
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: NEQ261
    Organism Scientific: NANOARCHAEUM EQUITANS
    Organism Taxid: 160232

 Structural Features

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  1
Asymmetric Unit : X
Biological Unit 1 (2x): X

Summary Information (see also Sequences/Alignments below)

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(-) Sequences/Alignments

Asymmetric Unit
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SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain X from PDB  Type:PROTEIN  Length:149
 aligned with Q74MS9_NANEQ | Q74MS9 from UniProtKB/TrEMBL  Length:153

    Alignment length:149
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140         
         Q74MS9_NANEQ     1 MNLRIPWKEVYYLGYNMGNYIKISEPELLFVLRNKPQIKDRLKLDEKTIIKEGVKKYKNFWEIYYTVKDLILRGYRVRFDGFFIELYEKGIIPGTIEQDYLVYPVSGEIRMTWGELLDIYNKAIARKSKFMLAIVDSEGDVTYYEFRKL 149
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .ee..hhhhhh...ee....ee.hhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhh.hhhhhhhhhhhhhhh..eeee....eeee............eeeeeee.....hhhhhhhhhhhhhhh..eeeeeee.....eeeee.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3if0 X   1 MNLRIPWKEVYYLGYNMGNYIKISEPELLFVLRNKPQIKDRLKLDEKTIIKEGVKKYKNFWEIYYTVKDLILRGYRVRFDGFFIELYEKGIIPGTIEQDYLVYPVSGEIRMTWGELLDIYNKAIARKSKFMLAIVDSEGDVTYYEFRKL 149
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140
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 Classification and Annotation

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(-) Pfam Domains  (0, 0)

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(-) Gene Ontology  (7, 7)

Asymmetric Unit(hide GO term definitions)
Chain X   (Q74MS9_NANEQ | Q74MS9)
molecular function
    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:0000213    tRNA-intron endonuclease activity    Catalysis of the endonucleolytic cleavage of pre-tRNA, producing 5'-hydroxyl and 2',3'-cyclic phosphate termini, and specifically removing the intron.
biological process
    GO:0090501    RNA phosphodiester bond hydrolysis    The RNA metabolic process in which the phosphodiester bonds between ribonucleotides are cleaved by hydrolysis.
    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:0090305    nucleic acid phosphodiester bond hydrolysis    The nucleic acid metabolic process in which the phosphodiester bonds between nucleotides are cleaved by hydrolysis.
    GO:0006388    tRNA splicing, via endonucleolytic cleavage and ligation    Splicing of tRNA substrates via recognition of the folded RNA structure that brings the 5' and 3' splice sites into proximity and cleavage of the RNA at both the 3' and 5' splice sites by an endonucleolytic mechanism, followed by ligation of the exons.

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 Related Entries

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        Q74MS9_NANEQ | Q74MS9: 3iey

(-) Related Entries Specified in the PDB File

3iey NANOARCHAEUM EQUITANS TRNA SPLICING ENDONUCLEASE