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(-) Description

Title :  STRUCTURAL CHARACTERIZATION OF A COMPLEX BETWEEN THE ACIDIC TRANSACTIVATION DOMAIN OF EBNA2 AND THE TFB1/P62 SUBUNIT OF TFIIH.
 
Authors :  P. R. Chabot, L. Raiola, M. Lussier-Price, T. Morse, G. Arseneault, J. Archambault, J. Omichinski
Date :  12 Feb 14  (Deposition) - 05 Mar 14  (Release) - 09 Apr 14  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B  (20x)
NMR Structure *:  A,B  (1x)
Keywords :  Ebv, Ebna2, Tfiih, Tfb1, Activation, Transcription, Ph Domain, Viral Protein-Transcription Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  P. R. Chabot, L. Raiola, M. Lussier-Price, T. Morse, G. Arseneault, J. Archambault, J. G. Omichinski
Structural And Functional Characterization Of A Complex Between The Acidic Transactivation Domain Of Ebna2 And The Tfb1/P62 Subunit Of Tfiih.
Plos Pathog. V. 10 04042 2014
PubMed-ID: 24675874  |  Reference-DOI: 10.1371/JOURNAL.PPAT.1004042

(-) Compounds

Molecule 1 - RNA POLYMERASE II TRANSCRIPTION FACTOR B SUBUNIT 1
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainTOPP2
    Expression System Taxid562
    Expression System VectorPGEX-2T
    GeneD9740.3, TFB1, YDR311W
    Organism CommonBAKER'S YEAST
    Organism ScientificSACCHAROMYCES CEREVISIAE S288C
    Organism Taxid559292
    StrainATCC 204508 / S288C
    SynonymGENERAL TRANSCRIPTION AND DNA REPAIR FACTOR IIH SUBUNIT TFB1, TFIIH SUBUNIT TFB1, RNA POLYMERASE II TRANSCRIPTION FACTOR B 73 KDA SUBUNIT, RNA POLYMERASE II TRANSCRIPTION FACTOR B P73 SUBUNIT
 
Molecule 2 - EPSTEIN-BARR NUCLEAR ANTIGEN 2
    ChainsB
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainTOPP2
    Expression System Taxid562
    Expression System VectorPGEX-2T
    GeneBYRF1, EBNA2
    Organism CommonHHV-4
    Organism ScientificHUMAN HERPESVIRUS 4
    Organism Taxid10377
    StrainB95-8
    SynonymEBNA-2, EBV NUCLEAR ANTIGEN 2

 Structural Features

(-) Chains, Units

  12
NMR Structure (20x)AB
NMR Structure * (1x)AB

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 2MKR)

(-) Sites  (0, 0)

(no "Site" information available for 2MKR)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (1, 1)

NMR Structure (1, 1)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1YDR311W1YDR311W.1IV:1085063-10869911929TFB1_YEAST1-6426421A:1-115115

(-) Sequences/Alignments

NMR Structure
   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:115
 aligned with TFB1_YEAST | P32776 from UniProtKB/Swiss-Prot  Length:642

    Alignment length:115
                                    10        20        30        40        50        60        70        80        90       100       110     
           TFB1_YEAST     1 MSHSGAAIFEKVSGIIAINEDVSPAELTWRSTDGDKVHTVVLSTIDKLQATPASSEKMMLRLIGKVDESKKRKDNEGNEVVPKPQRHMFSFNNRTVMDNIKMTLQQIISRYKDAD 115
               SCOP domains d2mkra_ A: RNA polymerase II transcription factor B 73 kDa, TFB1                                                    SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeee..eeeeeeee......eeeeee.....eeee.....eeeee........eeeeee.....................eeeee..hhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------- PROSITE
               Transcript 1 Exon 1.1  PDB: A:1-115 UniProt: 1-642 [INCOMPLETE]                                                                  Transcript 1
                 2mkr A   1 PSHSGAAIFEKVSGIIAINEDVSPAELTWRSTDGDKVHTVVLSTIDKLQATPASSEKMMLRLIGKVDESKKRKDNEGNEVVPKPQRHMFSFNNRTVMDNIKMTLQQIISRYKDAD 115
                                    10        20        30        40        50        60        70        80        90       100       110     

Chain B from PDB  Type:PROTEIN  Length:13
 aligned with EBNA2_EBVB9 | P12978 from UniProtKB/Swiss-Prot  Length:487

    Alignment length:13
                                   462   
          EBNA2_EBVB9   453 DLDESWDYIFETT 465
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE ------------- PROSITE
                 Transcript ------------- Transcript
                 2mkr B 453 DLDESWDYIFETT 465
                                   462   

   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, 1)

NMR Structure

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2MKR)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (27, 30)

NMR Structure(hide GO term definitions)
Chain A   (TFB1_YEAST | P32776)
molecular function
    GO:0032266    phosphatidylinositol-3-phosphate binding    Interacting selectively and non-covalently with phosphatidylinositol-3-phosphate, a derivative of phosphatidylinositol in which the inositol ring is phosphorylated at the 3' position.
    GO:0010314    phosphatidylinositol-5-phosphate binding    Interacting selectively and non-covalently with phosphatidylinositol-5-phosphate, a derivative of phosphatidylinositol in which the inositol ring is phosphorylated at the 5' position.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0000990    transcription factor activity, core RNA polymerase binding    Interacting selectively and non-covalently with an RNA polymerase in order to modulate transcription. A protein binding transcription factor may or may not also interact with the template nucleic acid (either DNA or RNA) as well.
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:0006289    nucleotide-excision repair    A DNA repair process in which a small region of the strand surrounding the damage is removed from the DNA helix as an oligonucleotide. The small gap left in the DNA helix is filled in by the sequential action of DNA polymerase and DNA ligase. Nucleotide excision repair recognizes a wide range of substrates, including damage caused by UV irradiation (pyrimidine dimers and 6-4 photoproducts) and chemicals (intrastrand cross-links and bulky adducts).
    GO:0070816    phosphorylation of RNA polymerase II C-terminal domain    The process of introducing a phosphate group on to an amino acid residue in the C-terminal domain of RNA polymerase II. Typically, this occurs during the transcription cycle and results in production of an RNA polymerase II enzyme where the carboxy-terminal domain (CTD) of the largest subunit is extensively phosphorylated, often referred to as hyperphosphorylated or the II(0) form. Specific types of phosphorylation within the CTD are usually associated with specific regions of genes, though there are exceptions. The phosphorylation state regulates the association of specific complexes such as the capping enzyme or 3'-RNA processing machinery to the elongating RNA polymerase complex.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006360    transcription from RNA polymerase I promoter    The synthesis of RNA from a DNA template by RNA polymerase I (RNAP I), originating at an RNAP I promoter.
    GO:0006366    transcription from RNA polymerase II promoter    The synthesis of RNA from a DNA template by RNA polymerase II, originating at an RNA polymerase II promoter. Includes transcription of messenger RNA (mRNA) and certain small nuclear RNAs (snRNAs).
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
cellular component
    GO:0000439    core TFIIH complex    The 7 subunit core of TFIIH that is a part of either the general transcription factor holo-TFIIH or the nucleotide-excision repair factor 3 complex. In S. cerevisiae/humans the complex is composed of: Ssl2/XPB, Tfb1/p62, Tfb2/p52, Ssl1/p44, Tfb4/p34, Tfb5/p8 and Rad3/XPD.
    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:0005675    holo TFIIH complex    A complex that is capable of kinase activity directed towards the C-terminal Domain (CTD) of the largest subunit of RNA polymerase II and is essential for initiation at RNA polymerase II promoters in vitro. It is composed of the core TFIIH complex and the TFIIK complex.
    GO:0000112    nucleotide-excision repair factor 3 complex    One of several protein complexes involved in nucleotide-excision repair; possesses endodeoxynuclease and DNA helicase activities. In S. cerevisiae, it is composed of Rad2p and the core TFIIH-Ssl2p complex (core TFIIH is composed of Rad3p, Tfb1p, Tfb2p, Ssl1p, Tfb4p and Tfb5p. Note that Ssl2p is also called Rad25p).
    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.

Chain B   (EBNA2_EBVB9 | P12978)
molecular function
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
    GO:0039695    DNA-templated viral transcription    A transcription process that uses a viral DNA as a template.
    GO:0030683    evasion or tolerance by virus of host immune response    Any process, either active or passive, by which a virus avoids the effects of the host organism's immune response. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0039586    modulation by virus of host PP1 activity    The process in which a virus effects a change in host protein phosphatase-1 (PP1) activity, a serine/threonine phosphatase. Different viruses modulate host PP1 activity to remove phosphates from various cellular substrates and downregulate the host's antiviral response.
    GO:0060153    modulation by virus of host cell cycle    Any viral process that modulates the rate or extent of progression through the cell cycle.
    GO:0045893    positive regulation of transcription, DNA-templated    Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0039503    suppression by virus of host innate immune response    Any process in which a virus stops, prevents, or reduces the frequency, rate or extent of the innate immune response of the host organism, the host's first line of defense.
    GO:0039502    suppression by virus of host type I interferon-mediated signaling pathway    Any process in which a virus stops, prevents, or reduces the frequency, rate or extent of type I interferon-mediated signaling in the host organism. Type I interferons include the interferon-alpha, beta, delta, episilon, zeta, kappa, tau, and omega gene families.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
cellular component
    GO:0044204    host cell nuclear matrix    The dense fibrillar network lying on the inner side of the host nuclear membrane.
    GO:0042025    host cell nucleus    A membrane-bounded organelle as it is found in the host cell in which chromosomes are housed and replicated. The host is defined as the larger of the organisms involved in a symbiotic interaction.

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 Related Entries

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

UniProtKB/Swiss-Prot
        EBNA2_EBVB9 | P129782n2j 5hda
        TFB1_YEAST | P327761y5o 2gs0 2k2u 2l2i 2lox 2m14 2n0y 2n23 5urn

(-) Related Entries Specified in the PDB File

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