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Structure of Human Argonaute-1 let-7 complex
Biology and Chemistry Report
4KRF
  •   Structure Details   Hide

    Structure Keywords

    Keywords TRANSCRIPTION/RNA
    Text eukaryotic Argonaute, GENE REGULATION, RNAi, Slicer, TRANSCRIPTION-RNA complex

    Polymeric Molecules

    Chain A
    Description Protein argonaute-1 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 97421.1 
    Source Method genetically manipulated  
    Entity Name Argonaute1, hAgo1, Eukaryotic translation initiation factor 2C 1, eIF-2C 1, eIF2C 1, Putative RNA-binding protein Q99 
    Chain R
    Description RNA (5'-R(P*UP*GP*AP*GP*GP*UP*AP*GP*UP*AP*GP*GP*UP*UP*GP*UP*AP*UP*AP*GP*UP*U)-3') 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polyribonucleotide 
    Formula Weight 7118.3 
    Source Method synthetic  

     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A AGO1_HUMAN Q9UL18     

    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    956   Nuclear Transcribed MRNA Catabolic Process  The Chemical Reactions and Pathways Resulting in the Breakdown of Nuclear Transcribed Mrnas in Eukaryotic Cells. 
    6351   Transcription DNA Templated  The Cellular Synthesis of RNA On a Template of Dna. 
    6355   Regulation of Transcription DNA Templated  Any Process That Modulates the Frequency Rate or Extent of Cellular DNA Templated Transcription. 
    6417   Regulation of Translation  Any Process That Modulates the Frequency Rate or Extent of the Chemical Reactions and Pathways Resulting in the Formation of Proteins by the Translation of Mrna. 
    7173   Epidermal Growth Factor Receptor Signaling Pathway  A Series of Molecular Signals Initiated by Binding of a Ligand to the Tyrosine Kinase Receptor Egfr (erbb1) On the Surface of a Cell. the Pathway Ends with Regulation of a Downstream Cellular Process E.g. Transcription. 
    7219   Notch Signaling Pathway  A Series of Molecular Signals Initiated by the Binding of an Extracellular Ligand to the Receptor Notch On the Surface of a Target Cell and Ending with Regulation of a Downstream Cellular Process E.g. Transcription. 
    8543   Fibroblast Growth Factor Receptor Signaling Pathway  The Series of Molecular Signals Generated As a Consequence of a Fibroblast Growth Factor Receptor Binding to One of Its Physiological Ligands. 
    10467   Gene Expression  The Process in Which a Gene's Sequence Is Converted Into a Mature Gene Product or Products (proteins or Rna). This Includes the Production of an RNA Transcript As Well As Any Processing to Produce a Mature RNA Product or an MRNA (for Protein Coding Genes) and the Translation of That MRNA Into Protein. Protein Maturation Is Included When Required to Form an Active Form of a Product From an Inactive Precursor Form. 
    10501   RNA Secondary Structure Unwinding  The Process in Which a Secondary Structure of RNA Are Broken or 'melted'. 
    10586   Mirna Metabolic Process  The Chemical Reactions and Pathways Involving Mirna Microrna a Class of Single Stranded RNA Molecules of About 21 23 Nucleotides in Length Which Regulates Gene Expression. 
    10628   Positive Regulation of Gene Expression  Any Process That Increases the Frequency Rate or Extent of Gene Expression. Gene Expression Is the Process in Which a Gene's Coding Sequence Is Converted Into a Mature Gene Product or Products (proteins or Rna). This Includes the Production of an RNA Transcript As Well As Any Processing to Produce a Mature RNA Product or an MRNA (for Protein Coding Genes) and the Translation of That MRNA Into Protein. Protein Maturation Is Included When Required to Form an Active Form of a Product From an Inactive Precursor Form. 
    16441   Posttranscriptional Gene Silencing  The Inactivation of Gene Expression by a Posttranscriptional Mechanism. 
    31047   Gene Silencing by RNA  Any Process in Which RNA Molecules Inactivate Expression of Target Genes. 
    31054   Pre Mirna Processing  Any Process Involved in the Conversion of a Pre Microrna Transcript Into a Mature Microrna Molecule. 
    35196   Production of Mirnas Involved in Gene Silencing by Mirna  Cleavage of Stem Loop RNA Precursors Into Micrornas (mirnas) a Class of Small Rnas That Primarily Silence Genes by Blocking the Translation of MRNA Transcripts Into Protein. 
    35278   Negative Regulation of Translation Involved in Gene Silencing by Mirna  The Process in Which Micrornas (mirnas) Block the Translation of Target Mrnas Into Proteins. Once Incorporated Into a RNA Induced Silencing Complex (risc) a Mirna Will Typically Repress Translation If the Mirna Imperfectly Base Pairs with the 3' Untranslated Regions of Target Mrnas. 
    35279   MRNA Cleavage Involved in Gene Silencing by Mirna  The Process in Which Micrornas (mirnas) Direct the Cleavage of Target Mrnas. Once Incorporated Into a RNA Induced Silencing Complex (risc) a Mirna Base Pairing with Near Perfect Complementarity to the Target MRNA Will Typically Direct Targeted Endonucleolytic Cleavage of the Mrna. Many Plant Mirnas Downregulate Gene Expression Through This Mechanism. 
    35280   Mirna Loading Onto Risc Involved in Gene Silencing by Mirna  The Transfer of a Microrna (mirna) Strand From a Mirna:mirna Duplex Onto the RNA Initiated Silencing Complex (risc). 
    38095   Fc Epsilon Receptor Signaling Pathway  A Series of Molecular Signals Initiated by the Binding of the Fc Portion of Immunoglobulin E (ige) to an Fc Epsilon Receptor On the Surface of a Signal Receiving Cell and Ending with Regulation of a Downstream Cellular Process E.g. Transcription. the Fc Portion of an Immunoglobulin Is Its C Terminal Constant Region. 
    45087   Innate Immune Response  Innate Immune Responses Are Defense Responses Mediated by Germline Encoded Components That Directly Recognize Components of Potential Pathogens. 
    45944   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. 
    48011   Neurotrophin Trk Receptor Signaling Pathway  A Series of Molecular Signals Initiated by the Binding of a Neurotrophin to a Receptor On the Surface of the Target Cell Where the Receptor Possesses Tyrosine Kinase Activity and Ending with Regulation of a Downstream Cellular Process E.g. Transcription. 
    48015   Phosphatidylinositol Mediated Signaling  A Series of Molecular Signals in Which a Cell Uses a Phosphatidylinositol Mediated Signaling to Convert a Signal Into a Response. Phosphatidylinositols Include Phosphatidylinositol (ptdins) and Its Phosphorylated Derivatives. 
    90625   MRNA Cleavage Involved in Gene Silencing by Sirna  The Process in Which Small Interfering Rnas (sirnas) Direct the Cleavage of Target Mrnas. Once Incorporated Into a RNA Induced Silencing Complex (risc) a Sirna Will Typically Direct Cleavage by Base Pairing with Perfect or Near Perfect Complementarity to the Target Mrna. 
    932   Cytoplasmic MRNA Processing Body  A Focus in the Cytoplasm Where Mrnas May Become Inactivated by Decapping or Some Other Mechanism. MRNA Processing and Binding Proteins Are Localized to These Foci. 
    5634   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. 
    5654   Nucleoplasm  That Part of the Nuclear Content Other Than the Chromosomes or the Nucleolus. 
    5737   Cytoplasm  All of the Contents of a Cell Excluding the Plasma Membrane and Nucleus But Including Other Subcellular Structures. 
    5829   Cytosol  The Part of the Cytoplasm That Does Not Contain Organelles But Which Does Contain Other Particulate Matter Such As Protein Complexes. 
    5844   Polysome  A Multiribosomal Structure Representing a Linear Array of Ribosomes Held Together by Messenger Rna. They Represent the Active Complexes in Cellular Protein Synthesis and Are Able to Incorporate Amino Acids Into Polypeptides Both in Vivo and in Vitro. 
    16442   Risc Complex  A Ribonucleoprotein Complex That Contains Members of the Argonaute Family of Proteins Small Interfering Rnas (sirnas) or Micrornas (mirnas) and Mirna or Sirna Complementary Mrnas in Addition to a Number of Accessory Factors. the Risc Complex Is Involved in Posttranscriptional Repression of Gene Expression Through Downregulation of Translation or Induction of MRNA Degradation. 
    30529   Ribonucleoprotein Complex  A Macromolecular Complex Containing Both Protein and RNA Molecules. 
    35068   Micro Ribonucleoprotein Complex  A Complex Containing Both Protein and Micro RNA (mirna) Molecules. Mirnas Are Approximately 22 Nucleotide Noncoding Rnas Derived From Endogenous Genes; They Are Processed From the Stem of a Longer Hairpin Like Structure Termed a Pre Mirna. 
    70578   Risc Loading Complex  A Trimeric Ribonucleoprotein Complex That and Is Required For the Formation of a Mature RNA Induced Silencing Complex (risc). in Humans the Complex Is Composed of the Endonuclease Dicer (dicer1) and Trbp (tarbp2) in Association with the Argonaute Protein Ago2 (eif2c2/ago2). Within the Complex Dicer and Trbp Are Required to Process Precursor Mirnas (pre Mirnas) to Mature Mirnas and Then Load Them Onto Ago2. Ago2 Bound to the Mature Mirna Constitutes the Minimal Risc and May Subsequently Dissociate From Dicer and Trbp. This Complex Has Endorobonuclease Activity. 
    978   RNA Polymerase Ii Core Promoter Proximal Region Sequence Specific DNA Binding  Interacting Selectively and Non Covalently with a Sequence of DNA That Is in Cis with and Relatively Close to a Core Promoter For RNA Polymerase Ii. 
    993   RNA Polymerase Ii Core Binding  Interacting Selectively and Non Covalently with RNA Polymerase Ii Core Enzyme a Multisubunit Eukaryotic Nuclear RNA Polymerase Typically Composed of Twelve Subunits. 
    1047   Core Promoter Binding  Interacting Selectively and Non Covalently with the Regulatory Region Composed of the Transcription Start Site and Binding Sites For the Basal Transcription Machinery. Binding May Occur As a Sequence Specific Interaction or As an Interaction Observed Only Once a Factor Has Been Recruited to the DNA by Other Factors. 
    3676   Nucleic Acid Binding  Interacting Selectively and Non Covalently with Any Nucleic Acid. 
    3723   RNA Binding  Interacting Selectively and Non Covalently with an RNA Molecule or a Portion Thereof. 
    3725   Double Stranded RNA Binding  Interacting Selectively and Non Covalently with Double Stranded Rna. 
    3727   Single Stranded RNA Binding  Interacting Selectively and Non Covalently with Single Stranded Rna. 
    4521   Endoribonuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Ribonucleic Acid by Creating Internal Breaks. 
    5515   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). 
    35198   Mirna Binding  Interacting Selectively and Non Covalently with a Microrna a 21 23 Nucleotide RNA That Is Processed From a Stem Loop RNA Precursor (pre Mirna) That Is Encoded Within Plant and Animal Genomes. 
    44212   Transcription Regulatory Region DNA Binding  Interacting Selectively and Non Covalently with a DNA Region That Regulates the Transcription of a Region of DNA Which May Be a Gene Cistron or Operon. Binding May Occur As a Sequence Specific Interaction or As an Interaction Observed Only Once a Factor Has Been Recruited to the DNA by Other Factors. 
    44822   Poly(a) RNA Binding  Interacting Non Covalently with a Poly(a) RNA a RNA Molecule Which Has a Tail of Adenine Bases. 
    70883   Pre Mirna Binding  Interacting Selectively and Non Covalently with a Precursor Microrna (pre Mirna) Transcript a Stem Loop Containing Precursor of Microrna. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Common Name Human
    Scientific Name Homo sapiens  
    Gene ago1, eif2c1
    Host Scientific Name Spodoptera frugiperda  
    Host Strain Sf9
    Host Vector Type Baculovirus
    Host Plasmid Name Multi-Bac, pFL


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    1 1p34.3 26523     argonaute RISC catalytic component 1 AGO1