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(-) Description

Title :  STRUCTURE OF EUKARYOTIC TRANSLATION TERMINATION COMPLEX METHYLTRANSFERASE MTQ2-TRM112
 
Authors :  D. Liger, L. Mora, N. Lazar, S. Figaro, J. Henri, N. Scrima, R. H. Bucking Tilbeurgh, V. Heurgue-Hamard, M. Graille
Date :  06 Jan 11  (Deposition) - 18 May 11  (Release) - 18 May 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Sam-Methyltransferase, Methyltransferase, Methylation, Transferase Activator-Transferase Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. Liger, L. Mora, N. Lazar, S. Figaro, J. Henri, N. Scrima, R. H. Buckingham, H. Van Tilbeurgh, V. Heurgue-Hamard, M. Graille
Mechanism Of Activation Of Methyltransferases Involved In Translation By The Trm112 'Hub' Protein
Nucleic Acids Res. 2011
PubMed-ID: 21478168  |  Reference-DOI: 10.1093/NAR/GKR176

(-) Compounds

Molecule 1 - PUTATIVE UNCHARACTERIZED PROTEIN ECU08_1170
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET21-A
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Organism Scientific: ENCEPHALITOZOON CUNICULI
    Organism Taxid: 6035
    Synonym: TRM112 ACTIVATOR PROTEIN
 
Molecule 2 - N6 ADENINE SPECIFIC DNA METHYLASE
    Chains: B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET21-A
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Organism Scientific: ENCEPHALITOZOON CUNICULI
    Organism Taxid: 6035
    Synonym: METHYLTRANSFERASE SUPERFAMILY, MTQ2 CATALYTIC SUBUNIT

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 2)

Asymmetric/Biological Unit (2, 2)
No.NameCountTypeFull Name
1SAM1Ligand/IonS-ADENOSYLMETHIONINE
2ZN1Ligand/IonZINC ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:11 , CYS A:14 , CYS A:102 , CYS A:105BINDING SITE FOR RESIDUE ZN A 126
2AC2SOFTWARETYR B:4 , THR B:10 , GLY B:31 , SER B:33 , ILE B:37 , ASP B:51 , LEU B:52 , ASN B:53 , ALA B:68 , ASP B:69 , LEU B:70 , ASN B:85 , PRO B:86 , PRO B:87 , PRO B:95 , ILE B:96 , HOH B:173 , HOH B:174 , HOH B:176 , HOH B:180 , HOH B:184BINDING SITE FOR RESIDUE SAM B 300

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3Q87)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3Q87)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3Q87)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3Q87)

(-) Exons   (0, 0)

(no "Exon" information available for 3Q87)

(-) 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:122
 aligned with Q8SUP0_ENCCU | Q8SUP0 from UniProtKB/TrEMBL  Length:125

    Alignment length:125
                                    10        20        30        40        50        60        70        80        90       100       110       120     
         Q8SUP0_ENCCU     1 MKPFLLGLLKCKRCSFMTKLILECEKAESNDVDTDDVKIFNKHMFTENGGERLKSLVNSLRDFHGRELSEQDISSFVENPGDDEKIKEFLFGIDVVEGSLRCDMCGLIYPIKGSIVETVDTVESK 125
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -Trm112p-3q87A01 A:2-114                                                                                          ----------- Pfam domains
         Sec.struct. author .hhhhhhh...........eeeeeeeeee...---.....hhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhh...hhhhhhhhhheeeeeeeeee.....eeeee..eee........ Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------- Transcript
                 3q87 A   1 MKPFLLGLLKCKRCSFMTKLILECEKAESNDV---DVKIFNKHMFTENGGERLKSLVNSLRDFHGRELSEQDISSFVENPGDDEKIKEFLFGIDVVEGSLRCDMCGLIYPIKGSIVETVDTVESK 125
                                    10        20        30 |   |  40        50        60        70        80        90       100       110       120     
                                                          32  36                                                                                         


Chain B from PDB  Type:PROTEIN  Length:164
 aligned with Q8SRR4_ENCCU | Q8SRR4 from UniProtKB/TrEMBL  Length:164

    Alignment length:164
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160    
         Q8SRR4_ENCCU     1 MDWYEPGEDTYTLMDALEREGLEMKIVLDLGTSTGVITEQLRKRNTVVSTDLNIRALESHRGGNLVRADLLCSINQESVDVVVFNPPYVPDTDDPIIGGGYLGREVIDRFVDAVTVGMLYLLVIEANRPKEVLARLEERGYGTRILKVRKILGETVYIIKGEKS 164
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -----MTS-3q87B01 B:6-113                                                                                         --------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhh....eeeee....hhhhhhhh...eeeeee.hhhhhhh.....eee.......hhhhh.eeee...............hhhhhhhhhhhhhhh...eeeeeee...hhhhhhhhhhhh..eeeeeeeee....eeeeeeee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3q87 B   1 MDWYEPGEDTYTLMDALEREGLEMKIVLDLGTSTGVITEQLRKRNTVVSTDLNIRALESHRGGNLVRADLLCSINQESVDVVVFNPPYVPDTDDPIIGGGYLGREVIDRFVDAVTVGMLYLLVIEANRPKEVLARLEERGYGTRILKVRKILGETVYIIKGEKS 164
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160
   Legend:   → Mismatch (orange background)
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  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 3Q87)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3Q87)

(-) Pfam Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Clan: NADP_Rossmann (1239)
(-)
Clan: Zn_Beta_Ribbon (109)

(-) Gene Ontology  (7, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (Q8SUP0_ENCCU | Q8SUP0)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.

Chain B   (Q8SRR4_ENCCU | Q8SRR4)
molecular function
    GO:0051539    4 iron, 4 sulfur cluster binding    Interacting selectively and non-covalently with a 4 iron, 4 sulfur (4Fe-4S) cluster; this cluster consists of four iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands.
    GO:0051536    iron-sulfur cluster binding    Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0008168    methyltransferase activity    Catalysis of the transfer of a methyl group to an acceptor molecule.
    GO:0003676    nucleic acid binding    Interacting selectively and non-covalently with any nucleic acid.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0032259    methylation    The process in which a methyl group is covalently attached to a molecule.

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 Related Entries

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(-) Related Entries Specified in the PDB File

2j6a