Overview

  • Product name

    Anti-PIWIL1 antibody [EPR13812(B)]
    See all PIWIL1 primary antibodies
  • Description

    Rabbit monoclonal [EPR13812(B)] to PIWIL1
  • Host species

    Rabbit
  • Tested applications

    Suitable for: WBmore details
  • Species reactivity

    Reacts with: Mouse, Rat, Human
  • Immunogen

    Synthetic peptide within Human PIWIL1 aa 750-850. The exact sequence is proprietary.
    Database link: Q96J94

  • Positive control

    • Jurkat, HepG2 whole cell lysate (ab7900) and Human testis lysate.
  • General notes

     

     

    Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMab® patents.

    This product is a recombinant rabbit monoclonal antibody.

Properties

Applications

Our Abpromise guarantee covers the use of ab181056 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
WB 1/1000 - 1/10000. Detects a band of approximately 99 kDa (predicted molecular weight: 99 kDa).

Target

  • Function

    Plays a central role during spermatogenesis by repressing transposable elements and prevent their mobilization, which is essential for the germline integrity. Acts via the piRNA metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and govern the methylation and subsequent repression of transposons. Directly binds methylated piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. Besides their function in transposable elements repression, piRNAs are probably involved in other processes during meiosis such as translation regulation. Probable component of some RISC complex, which mediates RNA cleavage and translational silencing. Also plays a role in the formation of chromatoid bodies and is required for some miRNAs stability (By similarity). Isoform 3 may be a negative developmental regulator.
  • Tissue specificity

    Detected in most fetal and adult tissues. Expressed in testes, specifically in germline cells; detected in spermatocytes and spermatids during spermatogenesis. Increased expression in testicular tumors originating from embryonic germ cells with retention of germ cells phenotype. No expression in testicular tumors of somatic origin, such as Sertoli cell and Leydig cell tumors. Overexpressed in gastric cancer cells. Isoform 3 is ubiquitously expressed, and specifically in CD34+ hematopoietic progenitor cells but not in more differentiated cells.
  • Sequence similarities

    Belongs to the argonaute family. Piwi subfamily.
    Contains 1 PAZ domain.
    Contains 1 Piwi domain.
  • Domain

    The PAZ domain specifically recognizes binds the 2'-O-methylated 3'-end of piRNAs.
  • Post-translational
    modifications

    Arginine methylation by PRMT5 is required for the interaction with Tudor domain-containing protein (TDRD1, TDRKH/TDRD2, RNF17/TDRD4, TDRD6, TDRD7 and TDRD9) and subsequent localization to the meiotic nuage, also named P granule.
  • Cellular localization

    Cytoplasm. Component of the meiotic nuage, also named P granule, a germ-cell-specific organelle required to repress transposon during meiosis. Also present in chromatoid body.
  • Information by UniProt
  • Database links

  • Alternative names

    • HIWI antibody
    • MIWI antibody
    • Piwi (Drosophila) like 1 antibody
    • PIWI antibody
    • Piwi homolog antibody
    • Piwi like 1 (drosophila) antibody
    • Piwi like 1 antibody
    • Piwi-like protein 1 antibody
    • PIWIL1 antibody
    • PIWL1_HUMAN antibody
    see all

Images

  • All lanes : Anti-PIWIL1 antibody [EPR13812(B)] (ab181056) at 1/1000 dilution

    Lane 1 : Jurkat cell lysate
    Lane 2 : HepG2 cell lysate
    Lane 3 : Human testis lysate

    Lysates/proteins at 10 µg per lane.

    Secondary
    All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab136636) at 1/500 dilution

    Predicted band size: 99 kDa

References

ab181056 has not yet been referenced specifically in any publications.

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