Overview

  • Product name

  • Description

    Rabbit polyclonal to Drosha
  • Host species

    Rabbit
  • Tested applications

    Suitable for: IP, WBmore details
  • Species reactivity

    Reacts with: Human
  • Immunogen

    Synthetic peptide within Human Drosha aa 1324-1374. The exact sequence is proprietary. NP_037367.3
    Database link: Q9NRR4

  • Positive control

    • WB: HeLa and HEK-293T whole cell lysates. IP: HeLa whole cell lysate.

Properties

Applications

Our Abpromise guarantee covers the use of ab245398 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
IP Use at 2-10 µg/mg of lysate.
WB 1/2000 - 1/10000. Predicted molecular weight: 159 kDa.

Target

  • Function

    Ribonuclease III double-stranded (ds) RNA-specific endoribonuclease that is involved in the initial step of microRNA (miRNA) biogenesis. Component of the microprocessor complex that is required to process primary miRNA transcripts (pri-miRNAs) to release precursor miRNA (pre-miRNA) in the nucleus. Within the microprocessor complex, DROSHA cleaves the 3' and 5' strands of a stem-loop in pri-miRNAs (processing center 11 bp from the dsRNA-ssRNA junction) to release hairpin-shaped pre-miRNAs that are subsequently cut by the cytoplasmic DICER to generate mature miRNAs. Involved also in pre-rRNA processing. Cleaves double-strand RNA and does not cleave single-strand RNA. Involved in the formation of GW bodies.
  • Tissue specificity

    Ubiquitous.
  • Sequence similarities

    Contains 1 DRBM (double-stranded RNA-binding) domain.
    Contains 2 RNase III domains.
  • Domain

    The 2 RNase III domains form an intramolecular dimer where the domain 1 cuts the 3'strand while the domain 2 cleaves the 5'strand of pri-miRNAs, independently of each other.
  • Cellular localization

    Nucleus. Nucleus > nucleolus. A fraction is translocated to the nucleolus during the S phase of the cell cycle. Localized in GW bodies (GWBs), also known as P-bodies.
  • Information by UniProt
  • Database links

  • Alternative names

    • DROSHA antibody
    • Drosha double stranded RNA specific endoribonuclease antibody
    • Drosha ribonuclease type III antibody
    • Etohi2 antibody
    • HSA242976 antibody
    • Nuclear RNase III Drosha antibody
    • p241 antibody
    • Protein Drosha antibody
    • Putative protein p241 which interacts with transcription factor Sp1 antibody
    • Putative ribonuclease III antibody
    • RANSE3L antibody
    • Ribonuclease 3 antibody
    • Ribonuclease III antibody
    • Ribonuclease III nuclear antibody
    • Ribonuclease type III nuclear antibody
    • RibonucleaseIII antibody
    • RN 3 antibody
    • RN3 antibody
    • RNase 3 antibody
    • RNase III antibody
    • RNase3 antibody
    • RNASE3L antibody
    • RNaseIII antibody
    • RNASEN antibody
    • RNC_HUMAN antibody
    see all

Images

  • All lanes : Anti-Drosha antibody (ab245398) at 0.1 µg/ml

    Lane 1 : HeLa (human epithelial cell line from cervix adenocarcinoma) whole cell lysate
    Lane 2 : HEK-293T (human epithelial cell line from embryonic kidney transformed with large T antigen) whole cell lysate

    Lysates/proteins at 50 µg per lane.

    Developed using the ECL technique.

    Predicted band size: 159 kDa


    Exposure time: 10 seconds


    Lysates prepared in NETN buffer.

  • Drosha was immunoprecipitated from HeLa (human epithelial cell line from cervix adenocarcinoma) whole cell lysate (1 mg for IP, 20% of IP loaded) with ab245398 at 6 µg/reaction. Western blot was performed from the immunoprecipitate using ab245398 at 1 µg/ml.

    Lane 1: ab245398 IP in HeLa whole cell lysate.
    Lane 2: Control IgG IP in HeLa whole cell lysate.

    Detection: Chemiluminescence with exposure time of 10 seconds.

    Lysates prepared in NETN buffer.

References

ab245398 has not yet been referenced specifically in any publications.

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