03-248 RIPAb+™ pan Ago - RIP Validated Antibody and Primer Set

03-248
10 assays  10 assays per set. Recommended use: ~5 μg of antibody per RIP (dependent upon biological context).
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      Overview

      Replacement Information

      Key Specifications Table

      Species ReactivityKey Applications
      H WB, IP, ICC, IHC, RIP
      Description
      Catalogue Number03-248
      Trade Name
      • RIPAb+
      • Upstate
      DescriptionRIPAb+™ pan Ago - RIP Validated Antibody and Primer Set
      OverviewRIPAb+ antibodies are evaluated using the RNA Binding Protein Immunoprecipitation (RIP) assay. Each RIPAb+ antibody set includes a negative control antibody to ensure specificity of the RIP reaction and is verified for the co-immunoprecipitation of RNA associated specifically with the immunoprecipitated RNA binding protein of interest. Where appropriate, the RIPAb+ set also includes quantitative RT-PCR control primers (RIP Primers) to biologically validate your IP results by successfully co-precipitating the specific RNA targets, such as messenger RNAs. The qPCR protocol and primer sequences are provided, allowing researchers to validate RIP protocols when using the antibody in their experimental context. If a target specific assay is not provided, the RIPAb+ kit is validated using an automated microfluidics-based assay by enrichment of detectable RNA over control immunoprecipitation.
      Argonaute (Ago) proteins are a family of proteins of ~95 kDa that bind directly to mature miRNAs. In mammals, there are four Ago proteins (Ago1-4). This family of proteins is a central component of most mammalian miRNPs that mediates important functions in small RNA-directed regulatory pathways.
      Alternate Names
      • Eukaryotic translation initiation factor 2C, 2
      • Protein argonaute-2
      • Ago2
      • Protein slicer
      • Argonaute2
      • PAZ Piwi domain protein
      • Ago4
      • Argonaute4
      • Protein argonaute-4
      Background InformationArgonaute (Ago) proteins are a family of proteins of ~95 kDa that bind directly to mature miRNAs. In mammals, there are four Ago proteins (Ago1-4). This family of proteins is a central component of most mammalian miRNPs that mediates important functions in small RNA-directed regulatory pathways. The Ago family consists of two subclases, Ago and Piwi containing two characteristic domains known as PAZ and PIWI. These two domains interact with different parts of the mature miRNA. The PAZ domain interacts with the 3’-end of the miRNA, and the PIWI domain interacts with the 5’ phosphate and 5’-proximal region of the miRNA to guide target mRNA recognition.
      References
      Product Information
      FormatPurified
      Control
      • Includes negative control normal mouse IgG antibody and control primers specific for the cDNA of human IGF2 mRNA.
      PresentationAnti-pan Ago (Mouse Monoclonal).One vial containing 50 μg of purified mouse IgG1κ in 0.1 M Tris-Glycine (pH 7.4) and 150 mM NaCl with 0.05% sodium azide before the addition of glycerol to 30%. Store at -20°C.
      Normal Mouse IgG. One vial containing 125 µg of purified mouse IgG in 125 µL of storage buffer containing 0.1% sodium azide. Store at -20°C.
      RIP Primer IGF2. One vial containing 75 μL of 5 μM of each primer specific for human IGF2 mRNA. Store at -20°C.
      FOR: GCG GCT TCT ACT TCA GCA G
      REV: CAG GTG TCA TAT TGG AAG AAC
      Applications
      ApplicationThis RIPAb+ pan Ago -RIP Validated Antibody & Primer Set conveniently includes the antibody & the specific control PCR primers.
      Key Applications
      • Western Blotting
      • Immunoprecipitation
      • Immunocytochemistry
      • Immunohistochemistry
      • RNA Binding Protein Immunoprecipitation (RIP)
      Application NotesWestern Blot Analysis:
      Representative lot data.
      HeLa cell lysate was probed with Anti-pan Ago, clone 2A8 (0.5 μg/mL). Proteins were visualized using a Goat Anti-Mouse IgG secondary antibody conjugated to HRP and chemiluminescence detection system.
      Arrows indicates Ago (~ 95 kDa) and Radixin (~70 kDa). (Figure 2).
      Immunoprecipitation Analysis: A representative lot was used by an independent laboratory in IP. (Nelson, P., et al. (2007). RNA. 13:1787–1792.)
      Immunocytochemistry Analysis: A representative lot was used by an independent laboratory in IC. (Nelson, P., et al. (2007). RNA. 13:1787–
      1792.)
      Immunohistochemistry Analysis: A representative lot was used by an independent laboratory in IH. (Nelson, P., et al. (2007). RNA. 13:1787–
      1792.)
      Biological Information
      ImmunogenHistidine - tagged recombinant protein corresponding to human Ago.
      Clone2A8
      ConcentrationPlease refer to the Certificate of Analysis for the lot-specific concentration.
      HostMouse
      SpecificityThis antibody recognizes Ago1, Ago2, Ago3, and Ago4. Note that this antibody has been reported to cross-react with radixin (~70 kDa). (Nelson, P., et al. (2007). RNA. 13:1787–1792.)
      IsotypeIgG1κ
      Species Reactivity
      • Human
      Antibody TypeMonoclonal Antibody
      Entrez Gene Number
      Entrez Gene SummaryThis gene encodes a member of the Argonaute family of proteins which play a role in RNA interference. The encoded protein is highly basic, and contains a PAZ domain and a PIWI domain. It may interact with dicer1 and play a role in short-interfering-RNA-mediated gene silencing. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq].
      Gene Symbol
      • EIF2C2l
      • AGO2
      • Q10
      • PPD
      • eIF-2C 2
      • hAgo2
      • Argonaute1
      • Ago1
      • eIF-2C 1
      • EIF2C1
      • AGO1
      • Argonaute3
      • AGO3
      • EIF2C3
      • EIF2C4
      • : AGO4
      • KIAA1567
      Purification MethodProtein G
      UniProt Number
      UniProt SummaryFUNCTION: Required for RNA-mediated gene silencing (RNAi) by the RNA-induced silencing complex (RISC). The 'minimal RISC' appears to include EIF2C2/AGO2 bound to a short guide RNA such as a microRNA (miRNA) or short interfering RNA (siRNA). These guide RNAs direct RISC to complementary mRNAs that are targets for RISC-mediated gene silencing. The precise mechanism of gene silencing depends on the degree of complementarity between the miRNA or siRNA and its target. Binding of RISC to a perfectly complementary mRNA generally results in silencing due to endonucleolytic cleavage of the mRNA specifically by EIF2C2/AGO2. Binding of RISC to a partially complementary mRNA results in silencing through inhibition of translation, and this is independent of endonuclease activity. May inhibit translation initiation by binding to the 7-methylguanosine cap, thereby preventing the recruitment of the translation initiation factor eIF4-E. May also inhibit translation initiation via interaction with EIF6, which itself binds to the 60S ribosomal subunit and prevents its association with the 40S ribosomal subunit. The inhibition of translational initiation leads to the accumulation of the affected mRNA in cytoplasmic processing bodies (P-bodies), where mRNA degradation may subsequently occur. In some cases RISC-mediated translational repression is also observed for miRNAs that perfectly match the 3' untranslated region (3'-UTR). Can also upregulate the translation of specific mRNAs under certain growth conditions. Binds to the AU element of the 3'-UTR of the TNF (TNF-alpha) mRNA and upregulates translation under conditions of serum starvation. Also required for transcriptional gene silencing (TGS), in which short RNAs known as antigene RNAs or agRNAs direct the transcriptional repression of complementary promoter regions.

      CATALYTIC ACTIVITY: Endonucleolytic cleavage to 5'-phosphomonoester.

      ENZYME REGULATION: Inhibited by EDTA.

      SUBUNIT STRUCTURE: Interacts with DICER1 through its Piwi domain and with TARBP2 during assembly of the RNA-induced silencing complex (RISC). Together, DICER1, EIF2C2/AGO2 and TARBP2 constitute the trimeric RISC loading complex (RLC), or micro-RNA (miRNA) loading complex (miRLC). Within the RLC/miRLC, DICER1 and TARBP2 are required to process precursor miRNAs (pre-miRNAs) to mature miRNAs and then load them onto EIF2C2/AGO2. EIF2C2/AGO2 bound to the mature miRNA constitutes the minimal RISC and may subsequently dissociate from DICER1 and TARBP2. Note however that the term RISC has also been used to describe the trimeric RLC/miRLC. The formation of RISC complexes containing siRNAs rather than miRNAs appears to occur independently of DICER1. Interacts with EIF2C1/AGO1. Also interacts with DDB1, DDX6, DDX20, DDX47, DHX9, DHX36, EIF6, FXR1, GEMIN4, ILF3, MOV10, PRMT5, P4HA1, P4HB, SART3, TNRC6A, TNRC6B and UPF1. Interacts with the P-body components DCP1A and XRN1.

      SUBCELLULAR LOCATION: Cytoplasm › P-body. Nucleus. Note: Translational repression of mRNAs results in their recruitment to P-bodies. Translocation to the nucleus requires IMP8.

      DOMAIN: The Piwi domain may perform RNA cleavage by a mechanism similar to that of RNase H. However while RNase H utilizes a triad of Asp-Asp-Glu (DDE) for metal ion coordination, this protein appears to utilize a triad of Asp-Asp-His (DDH).

      PTM: Hydroxylated. 4-hydroxylation appears to enhance protein stability but is not required for miRNA-binding or endonuclease activity.

      SEQUENCE SIMILARITIES: Belongs to the argonaute family. Ago subfamily.

      Contains 1 PAZ domain.

      Contains 1 Piwi domain.

      BIOPHYSIOCHEMICAL PROPERTIES: Kinetic parameters:

      KM=1.1 nM for a synthetic 21-nucleotide single-stranded RNA Ref.7 Ref.18

      SEQUENCE CAUTION: The sequence AAH07633.1 differs from that shown. Reason: Erroneous initiation.

      The sequence AAL76093.1 differs from that shown. Reason: cDNA contains a duplication of an internal sequence at the 5' end.

      The sequence BC125214 differs from that shown. Reason: Frameshift at position 450.
      Molecular Weight~ 95 and 70 kDa observed. This antibody recognizes Ago1, Ago2, Ago3, and Ago4.
      Note that this antibody has been reported to cross-react with radixin (~70 kDa). (Nelson, P., et al. (2007). RNA. 13:1787–1792.)
      Physicochemical Information
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceRNA Binding Protein Immunoprecipitation:
      Representative lot data.
      RIP Lysate prepared from 293 cells (2 X 10E7 cell equivalents per IP) were subjected to immunoprecipitation using 5 µg of either a normal mouse IgG or 5 µg of Anti-pan Ago antibodyand the Magna RIP™ RNA-Binding Protein Immunoprecipitation Kit (Cat. # 17-700).
      Successful immunoprecipitation of Argonaute proteins-associated RNA was verified by qPCR using RIP Primers IGF2, (Figure 1).
      Please refer to the Magna RIP™ (Cat. # 17-700) or EZ-Magna RIP™ (Cat. # 17-701) protocol for experimental details.
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsStable for 1 year at -20°C from date of receipt.
      Handling Recommendations: Upon receipt, and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance. Note: Variabillity in freezer temperatures below -20°C may cause glycerol containing solutions to become frozen during storage.
      Packaging Information
      Material Size10 assays
      Material Package10 assays per set. Recommended use: ~5 μg of antibody per RIP (dependent upon biological context).
      Transport Information
      Supplemental Information
      Specifications

      Documentation

      SDS

      Title

      Safety Data Sheet (SDS) 

      Certificates of Analysis

      TitleLot Number
      RIPAb+ pan Ago - 20630942063094
      RIPAb+ pan Ago - NRG1944829NRG1944829
      RIPAb+™ pan Ago - 30485383048538
      RIPAb+™ pan Ago - 31838183183818
      RIPAb+™ pan Ago -28151732815173
      RIPAb+™ pan Ago Monoclonal Antibody/Primer Set2934088
      RIPAb+™ pan Ago Monoclonal Antibody/Primer Set3087934
      RIPAb+™ pan Ago Monoclonal Antibody/Primer Set3138412
      RIPAb+™ pan Ago - 23188082318808

      References

      Reference overviewPub Med ID
      A high throughput experimental approach to identify miRNA targets in human cells.
      Tan, Lu Ping, et al.
      Nucleic Acids Res., 37: e137 (2009)  2009

      Show Abstract
      19734348 19734348
      Involvement of AGO1 and AGO2 in mammalian transcriptional silencing.
      Janowski, BA; Huffman, KE; Schwartz, JC; Ram, R; Nordsell, R; Shames, DS; Minna, JD; Corey, DR
      Nat Struct Mol Biol  13  787-92  2006

      Show Abstract
      16936728 16936728
      Comparative expression analysis of the MAGED genes during embryogenesis and brain development.
      Mathieu Bertrand,Ivo Huijbers,Patrick Chomez,Olivier De Backer
      Developmental dynamics : an official publication of the American Association of Anatomists  230  2004

      Show Abstract
      15162511 15162511

      Brochure

      Title
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      Categories

      Life Science Research > Protein Detection and Quantification > Immunoassays > Immunoprecipitation (IP) > RNA-Binding Protein Immunoprecipitation (RIP) > RIP Validated Antibodies
      Life Science Research > Antibodies and Assays > Immunoassays > Immunoprecipitation (IP) > RNA-Binding Protein Immunoprecipitation (RIP) > RIP Validated Antibodies
      Life Science Research > Antibodies and Assays > Primary Antibodies