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EXOSC9 Protein, Human (sf9, His)

Cat. No.: HY-P76325
COA Handling Instructions

EXOSC9 is a noncatalytic RNA exosome complex component that critically drives 3'->5' exoribonuclease activity and contributes to a variety of cellular RNA processing and degradation events. In the nucleus, it helps stabilize the maturation of RNA species and eliminates processing by-products, non-coding transcripts and defective mRNAs, thereby inhibiting their cytoplasmic export. EXOSC9 Protein, Human (sf9, His) is the recombinant human-derived EXOSC9 protein, expressed by Sf9 insect cells , with N-His labeled tag. The total length of EXOSC9 Protein, Human (sf9, His) is 439 a.a., with molecular weight of ~51.3 KDa.

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Description

EXOSC9 is a noncatalytic RNA exosome complex component that critically drives 3'->5' exoribonuclease activity and contributes to a variety of cellular RNA processing and degradation events. In the nucleus, it helps stabilize the maturation of RNA species and eliminates processing by-products, non-coding transcripts and defective mRNAs, thereby inhibiting their cytoplasmic export. EXOSC9 Protein, Human (sf9, His) is the recombinant human-derived EXOSC9 protein, expressed by Sf9 insect cells , with N-His labeled tag. The total length of EXOSC9 Protein, Human (sf9, His) is 439 a.a., with molecular weight of ~51.3 KDa.

Background

EXOSC9, a non-catalytic component of the RNA exosome complex, plays a crucial role in 3'->5' exoribonuclease activity and is actively involved in numerous cellular RNA processing and degradation events. Operating within the nucleus, the RNA exosome complex contributes to the proper maturation of stable RNA species, such as rRNA, snRNA, and snoRNA. Simultaneously, it facilitates the elimination of RNA processing by-products, non-coding 'pervasive' transcripts like antisense RNA species and promoter-upstream transcripts (PROMPTs), as well as mRNAs with processing defects, thereby restricting their export to the cytoplasm. The RNA exosome's potential involvement in Ig class switch recombination (CSR) and/or Ig variable region somatic hypermutation (SHM) is suggested, as it directs AICDA deamination activity to transcribed dsDNA substrates. In the cytoplasm, EXOSC9, as part of the RNA exosome complex, contributes to general mRNA turnover and specifically degrades inherently unstable mRNAs containing AU-rich elements (AREs) within their 3' untranslated regions. It also participates in RNA surveillance pathways, preventing the translation of aberrant mRNAs, and appears to be implicated in the degradation of histone mRNA. The catalytically inactive RNA exosome core complex of 9 subunits (Exo-9) is proposed to play a pivotal role in binding and presenting RNA for ribonucleolysis, functioning as a scaffold for the association with catalytic subunits and accessory proteins or complexes. Notably, EXOSC9 exhibits binding affinity for ARE-containing RNAs. As a component of the RNA exosome complex, it specifically participates in the Exo-9 complex, associating with catalytic subunits EXOSC10 and DIS3 or DIS3L in cytoplasmic- and nuclear-specific RNA exosome complex forms. Interactions with SETX, particularly via its C-terminus region, have been identified, and this interaction enhances SETX sumoylation.

Species

Human

Source

Sf9 insect cells

Tag

N-His

Accession

Q06265 (M1-N439)

Gene ID
Molecular Construction
N-term
His
EXOSC9 (M1-N439)
Accession # Q06265
C-term
Synonyms
Exosome complex component RRP45; Autoantigen PM/Scl 1; PM/Scl-75; PMSCL1
Molecular Weight

Approximately 51.3 kDa.

Purity

Greater than 85% as determined by reducing SDS-PAGE.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Documentation

EXOSC9 Protein, Human (sf9, His) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The reconstitution calculator equation

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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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EXOSC9 Protein, Human (sf9, His)
Cat. No.:
HY-P76325
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