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Key Documents

MABE1121

Sigma-Aldrich

Anti-Ago1 Antibody, clone 4B8

clone 4B8, from rat

Sinónimos:

Protein argonaute-1, Argonaute1, hAgo1, Argonaute RISC catalytic component 1, Eukaryotic translation initiation factor 2C 1, eIF-2C 1, eIF2C 1, Putative RNA-binding protein Q99, Ago1

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.43

biological source

rat

Quality Level

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

4B8, monoclonal

species reactivity

human

technique(s)

western blot: suitable

isotype

IgG2aκ

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... AGO1(26523)

General description

Protein argonaute-1 (UniProt Q9UL18; also known as Argonaute1, Argonaute RISC catalytic component 1, eIF-2C 1, eIF2C 1, Eukaryotic translation initiation factor 2C 1, hAgo1, Putative RNA-binding protein Q99) is encoded by the AGO1 (also known as EIF2C, EIF2C1) gene (Gene ID 26523) in human. Ago1 belongs to the family of argonaute proteins involved in gene expression by regulating gene transcription and RNA splicing in the nucleus, as well as by regulating posttranscriptional gene silencing mediated by siRNAs and microRNAs in the cytosol. Ago1 is shown to interact with chromatin modifiers, splicing factors, and RNA polymerase II. Ago1 and the related Ago2 are also shown to target Hepatitis C Virus (HCV) RNÁ 5′-untranslated region (5′-UTR) in an miR-122-dependent manner, resulting in viral RNA stability and translation stimulation.

Specificity

Clone 4B8 sepcifically immunoprecipitated FLAG-tagged Ago1,but not FLAG-tagged Ago2, Ago3, or Ago4 (Ender, C., et al. (2008). Mol. Cell. 32(4):519-528).

Immunogen

GST-tagged recombinant human Ago1.

Application

Research Category
Epigenetics & Nuclear Function
Research Sub Category
RNA Metabolism & Binding Proteins
Western Blotting Analysis: 1.0 µg/mL from a representative lot detected Ago1 in 10 µg of K562 cell lysate.
Western Blotting Analysis: A representative lot detected Ago1-containing messenager ribonucleoprotein (mRNP) complexes primarily in the low density fractions of sucrose gradient-fractionated HEK293 lysate (Höck, J., et al. (2007). EMBO Rep. 8(11):1052-1060).
Immunoprecipitation Analysis: Representative lots immunoprecipitated FLAG-tagged Ago1, but not FLAG-tagged Ago2, Ago3, or Ago4 (Ender, C., et al. (2008). Mol. Cell. 32(4):519-528; Beitzinger, M., et al. (2007). RNA Biol. 4(2):76-84).
RNA Binding Protein Immunoprecipitation (RIP): Representative lots co-immunoprecipitated Ago1-associated RNAs, including mRNAs, miRNAs, and snoRNAs from human cell lysates (Li, Z., et al. (2009). J. Virol. 83(24):12751-12758; Ender, C., et al. (2008). Mol. Cell. 32(4):519-528; Beitzinger, M., et al. (2007). RNA Biol. 4(2):76-84).

Quality

Evaluated by Western Blotting in HeLa cell lysate.

Western Blotting Analysis: 1.0 µg/mL of this antibody detected Ago1 in 10 µg of HeLa cell lysate.

Target description

~97 kDa observed

Physical form

Format: Purified
Protein G Purified
Purified rat monoclonal IgG2aκ antibody in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Storage and Stability

Stable for 1 year at 2-8°C from date of receipt.

Other Notes

Concentration: Please refer to lot specific datasheet.

Disclaimer

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.

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Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Julia Höck et al.
EMBO reports, 8(11), 1052-1060 (2007-10-13)
Members of the Argonaute (Ago) protein family associate with small RNAs and have important roles in RNA silencing. Here, we analysed Ago1- and Ago2-containing protein complexes in human cells. Separation of Ago-associated messenger ribonucleoproteins (mRNPs) showed that Ago1 and Ago2
Christine Ender et al.
Molecular cell, 32(4), 519-528 (2008-11-26)
Small noncoding RNAs function in concert with Argonaute (Ago) proteins to regulate gene expression at the level of transcription, mRNA stability, or translation. Ago proteins bind small RNAs and form the core of silencing complexes. Here, we report the analysis
K Dominik Conrad et al.
PloS one, 8(2), e56272-e56272 (2013-02-14)
Translation of Hepatitis C Virus (HCV) RNA is directed by an internal ribosome entry site (IRES) in the 5'-untranslated region (5'-UTR). HCV translation is stimulated by the liver-specific microRNA-122 (miR-122) that binds to two binding sites between the stem-loops I
Michaela Beitzinger et al.
RNA biology, 4(2), 76-84 (2007-07-20)
MicroRNAs (miRNAs) constitute a class of small non-coding RNAs that regulate gene expression on the level of translation and/or mRNA stability. Mammalian miRNAs associate with members of the Argonaute (Ago) protein family and bind to partially complementary sequences in the
Mariano Alló et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(44), 15622-15629 (2014-10-15)
The roles of Argonaute proteins in cytoplasmic microRNA and RNAi pathways are well established. However, their implication in small RNA-mediated transcriptional gene silencing in the mammalian cell nucleus is less understood. We have recently shown that intronic siRNAs cause chromatin

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