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(-) Description

Title :  SOLUTION STRUCTURE OF HBP1 SID-MSIN3A PAH2 COMPLEX
 
Authors :  K. A. Swanson, P. S. Knoepfler, K. Huang, R. S. Kang, S. M. Cowley, C. D. Laherty, R. N. Eisenman, I. Radhakrishnan
Date :  21 Jan 04  (Deposition) - 06 Jul 04  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B  (20x)
Keywords :  Protein-Peptide Complex, Amphipathic Helix Motif, Four- Helix Bundle, Repressor-Corepressor Complex, Transcription (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  K. A. Swanson, P. S. Knoepfler, K. Huang, R. S. Kang, S. M. Cowley, C. D. Laherty, R. N. Eisenman, I. Radhakrishnan
Hbp1 And Mad1 Repressors Bind The Sin3 Corepressor Pah2 Domain With Opposite Helical Orientations.
Nat. Struct. Mol. Biol. V. 11 738 2004
PubMed-ID: 15235594  |  Reference-DOI: 10.1038/NSMB798
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HIGH MOBILITY GROUP BOX TRANSCRIPTION FACTOR 1
    ChainsA
    EngineeredYES
    FragmentSIN3 INTERACTION DOMAIN, RESIDUES 6 TO 21
    Other DetailsTHE PEPTIDE SEQUENCE WAS SYNTHESIZED USING AUTOMATED METHODS. THE SEQUENCE IS NATURALLY FOUND IN MUS MUSCULUS (MOUSE).
    SyntheticYES
 
Molecule 2 - SIN3A PROTEIN
    ChainsB
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePET24
    FragmentPAIRED AMPHIPATHIC HELIX 2, (PAH2 REPEAT), RESIDUES 295 TO 383
    GeneSIN3A
    Organism CommonHOUSE MOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090

 Structural Features

(-) Chains, Units

  
NMR Structure (20x)

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1S5R)

(-) Sites  (0, 0)

(no "Site" information available for 1S5R)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1S5R)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1S5R)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1S5R)

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PAHPS51477 PAH domain profile.SIN3A_MOUSE119-189
300-383
457-526
  1-
B:300-383
-

(-) Exons   (0, 0)

(no "Exon" information available for 1S5R)

(-) 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:23
 aligned with HBP1_MOUSE | Q8R316 from UniProtKB/Swiss-Prot  Length:516

    Alignment length:23
                                   367       377   
           HBP1_MOUSE   358 DFTPMDSSAVYVLSSMARQRRAS 380
               SCOP domains d1s5ra_ A:              SCOP domains
               CATH domains ----------------------- CATH domains
               Pfam domains ----------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------- SAPs(SNPs)
                    PROSITE ----------------------- PROSITE
                 Transcript ----------------------- Transcript
                 1s5r A 358 DFTPMDSSAVYVLSSMARQRRAS 380
                                   367       377   

Chain B from PDB  Type:PROTEIN  Length:89
 aligned with SIN3A_MOUSE | Q60520 from UniProtKB/Swiss-Prot  Length:1274

    Alignment length:89
                                   304       314       324       334       344       354       364       374         
          SIN3A_MOUSE   295 SLQNNQPVEFNHAINYVNKIKNRFQGQPDIYKAFLEILHTYQKEQRNAKEAGGNYTPALTEQEVYAQVARLFKNQEDLLSEFGQFLPDA 383
               SCOP domains d1s5rb_ B: Sin3A                                                                          SCOP domains
               CATH domains 1s5rB00 B:295-383  [code=1.20.1160.11, no name defined]                                   CATH domains
               Pfam domains ---------------------------PAH-1s5rB01 B:322-381                                       -- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhh.....hhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----PAH  PDB: B:300-383 UniProt: 300-383                                                 PROSITE
                 Transcript ----------------------------------------------------------------------------------------- Transcript
                 1s5r B 295 SLQNNQPVEFNHAINYVNKIKNRFQGQPDIYKAFLEILHTYQKEQRNAKEAGGNYTPALTEQEVYAQVARLFKNQEDLLSEFGQFLPDA 383
                                   304       314       324       334       344       354       364       374         

   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  (2, 2)

NMR Structure
(-)
Class: Peptides (792)

(-) CATH Domains  (1, 1)

NMR Structure

(-) Pfam Domains  (1, 1)

NMR Structure

(-) Gene Ontology  (55, 62)

NMR Structure(hide GO term definitions)
Chain A   (HBP1_MOUSE | Q8R316)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    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:0016055    Wnt signaling pathway    The series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell and ending with a change in cell state.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
cellular component
    GO:0005654    nucleoplasm    That part of the nuclear content other than the chromosomes or the nucleolus.
    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   (SIN3A_MOUSE | Q60520)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0001102    RNA polymerase II activating transcription factor binding    Interacting selectively and non-covalently with an RNA polymerase II transcription activating factor, a protein involved in positive regulation of transcription.
    GO:0001103    RNA polymerase II repressing transcription factor binding    Interacting selectively and non-covalently with an RNA polymerase II transcription repressing factor, a protein involved in negative regulation of transcription.
    GO:0001106    RNA polymerase II transcription corepressor activity    Interacting selectively and non-covalently with an RNA polymerase II repressing transcription factor and also with the RNA polymerase II basal transcription machinery in order to stop, prevent, or reduce the frequency, rate or extent of transcription. Cofactors generally do not bind DNA, but rather mediate protein-protein interactions between repressive transcription factors and the basal transcription machinery.
    GO:0003682    chromatin binding    Interacting selectively and non-covalently with chromatin, the network of fibers of DNA, protein, and sometimes RNA, that make up the chromosomes of the eukaryotic nucleus during interphase.
    GO:0004407    histone deacetylase activity    Catalysis of the reaction: histone N6-acetyl-L-lysine + H2O = histone L-lysine + acetate. This reaction represents the removal of an acetyl group from a histone, a class of proteins complexed to DNA in chromatin and chromosomes.
    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:0032403    protein complex binding    Interacting selectively and non-covalently with any protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0033558    protein deacetylase activity    Catalysis of the hydrolysis of an acetyl group or groups from a protein substrate.
    GO:0003714    transcription corepressor activity    Interacting selectively and non-covalently with a repressing transcription factor and also with the basal transcription machinery in order to stop, prevent, or reduce the frequency, rate or extent of transcription. Cofactors generally do not bind the template nucleic acid, but rather mediate protein-protein interactions between repressive transcription factors and the basal transcription machinery.
    GO:0003700    transcription factor activity, sequence-specific DNA binding    Interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex.
    GO:0008134    transcription factor binding    Interacting selectively and non-covalently with a transcription factor, any protein required to initiate or regulate transcription.
    GO:0000976    transcription regulatory region sequence-specific DNA binding    Interacting selectively and non-covalently with a specific sequence of DNA that is part of a regulatory region that controls transcription of that section of the DNA. The transcribed region might be described as a gene, cistron, or operon.
biological process
    GO:0006260    DNA replication    The cellular metabolic process in which a cell duplicates one or more molecules of DNA. DNA replication begins when specific sequences, known as origins of replication, are recognized and bound by initiation proteins, and ends when the original DNA molecule has been completely duplicated and the copies topologically separated. The unit of replication usually corresponds to the genome of the cell, an organelle, or a virus. The template for replication can either be an existing DNA molecule or RNA.
    GO:0002218    activation of innate immune response    Any process that initiates an innate immune response. Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens. Examples of this process include activation of the hypersensitive response of Arabidopsis thaliana and activation of any NOD or TLR signaling pathway in vertebrate species.
    GO:0007568    aging    A developmental process that is a deterioration and loss of function over time. Aging includes loss of functions such as resistance to disease, homeostasis, and fertility, as well as wear and tear. Aging includes cellular senescence, but is more inclusive. May precede death and may succeed developmental maturation (GO:0021700).
    GO:0034613    cellular protein localization    Any process in which a protein is transported to, and/or maintained in, a specific location at the level of a cell. Localization at the cellular level encompasses movement within the cell, from within the cell to the cell surface, or from one location to another at the surface of a cell.
    GO:1903351    cellular response to dopamine    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 dopamine stimulus.
    GO:0071333    cellular response to glucose 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 glucose stimulus.
    GO:0000183    chromatin silencing at rDNA    Repression of transcription of ribosomal DNA by altering the structure of chromatin.
    GO:0002244    hematopoietic progenitor cell differentiation    The process in which precursor cell type acquires the specialized features of a hematopoietic progenitor cell, a class of cell types including myeloid progenitor cells and lymphoid progenitor cells.
    GO:0016575    histone deacetylation    The modification of histones by removal of acetyl groups.
    GO:0001701    in utero embryonic development    The process whose specific outcome is the progression of the embryo in the uterus over time, from formation of the zygote in the oviduct, to birth. An example of this process is found in Mus musculus.
    GO:0043066    negative regulation of apoptotic process    Any process that stops, prevents, or reduces the frequency, rate or extent of cell death by apoptotic process.
    GO:0042754    negative regulation of circadian rhythm    Any process that stops, prevents, or reduces the frequency, rate or extent of a circadian rhythm behavior.
    GO:1901675    negative regulation of histone H3-K27 acetylation    Any process that stops, prevents or reduces the frequency, rate or extent of histone H3-K27 acetylation.
    GO:1900181    negative regulation of protein localization to nucleus    Any process that stops, prevents or reduces the frequency, rate or extent of protein localization to nucleus.
    GO:0000122    negative regulation of transcription from RNA polymerase II promoter    Any process that stops, prevents, or reduces the frequency, rate or extent of transcription from an RNA polymerase II promoter.
    GO:2000678    negative regulation of transcription regulatory region DNA binding    Any process that stops, prevents or reduces the frequency, rate or extent of transcription regulatory region DNA binding.
    GO:0045892    negative regulation of transcription, DNA-templated    Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0010971    positive regulation of G2/M transition of mitotic cell cycle    Any process that increases the rate or extent of progression from G2 phase to M phase of the mitotic cell cycle.
    GO:0031937    positive regulation of chromatin silencing    Any process that activates or increases the frequency, rate or extent of chromatin silencing.
    GO:0002230    positive regulation of defense response to virus by host    Any host process that results in the promotion of antiviral immune response mechanisms, thereby limiting viral replication.
    GO:0045944    positive regulation of transcription from RNA polymerase II promoter    Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
    GO:0006476    protein deacetylation    The removal of an acetyl group from a protein amino acid. An acetyl group is CH3CO-, derived from acetic [ethanoic] acid.
    GO:0010817    regulation of hormone levels    Any process that modulates the levels of hormone within an organism or a tissue. A hormone is any substance formed in very small amounts in one specialized organ or group of cells and carried (sometimes in the bloodstream) to another organ or group of cells in the same organism, upon which it has a specific regulatory action.
    GO:0043619    regulation of transcription from RNA polymerase II promoter in response to oxidative stress    Modulation of the frequency, rate or extent of transcription from an RNA polymerase II promoter as a result of a stimulus indicating the organism is under oxidative stress, a state often resulting from exposure to high levels of reactive oxygen species, e.g. superoxide anions, hydrogen peroxide (H2O2), and hydroxyl radicals.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0051595    response to methylglyoxal    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a methylglyoxal stimulus. Methylglyoxal is a 2-oxoaldehyde derived from propanal.
    GO:0010243    response to organonitrogen compound    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an organonitrogen stimulus. An organonitrogen compound is formally a compound containing at least one carbon-nitrogen bond.
    GO:0048511    rhythmic process    Any process pertinent to the generation and maintenance of rhythms in the physiology of an organism.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
cellular component
    GO:0016580    Sin3 complex    A multiprotein complex that functions broadly in eukaryotic organisms as a transcriptional repressor of protein-coding genes, through the gene-specific deacetylation of histones. Amongst its subunits, the Sin3 complex contains Sin3-like proteins, and a number of core proteins that are shared with the NuRD complex (including histone deacetylases and histone binding proteins). The Sin3 complex does not directly bind DNA itself, but is targeted to specific genes through protein-protein interactions with DNA-binding proteins.
    GO:0000785    chromatin    The ordered and organized complex of DNA, protein, and sometimes RNA, that forms the chromosome.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0045171    intercellular bridge    A direct connection between the cytoplasm of two cells that is formed following the completion of cleavage furrow ingression during cell division. They are usually present only briefly prior to completion of cytokinesis. However, in some cases, such as the bridges between germ cells during their development, they become stabilised.
    GO:0000776    kinetochore    A multisubunit complex that is located at the centromeric region of DNA and provides an attachment point for the spindle microtubules.
    GO:0005730    nucleolus    A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
    GO:0005654    nucleoplasm    That part of the nuclear content other than the chromosomes or the nucleolus.
    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.
    GO:0043234    protein complex    A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical.
    GO:0005667    transcription factor complex    A protein complex that is capable of associating with DNA by direct binding, or via other DNA-binding proteins or complexes, and regulating transcription.
    GO:0017053    transcriptional repressor complex    A protein complex that possesses activity that prevents or downregulates transcription.

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 Related Entries

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

UniProtKB/Swiss-Prot
        HBP1_MOUSE | Q8R3161v06
        SIN3A_MOUSE | Q605201g1e 1s5q 2l9s 2ld7 2n2h 2rmr 2rms

(-) Related Entries Specified in the PDB File

1s5q SOLUTION STRUCTURE OF MAD1 SID-MSIN3A PAH2 COMPLEX