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USP15 Protein, Human (sf9)

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USP15 is a hydrolase that complexly regulates cellular processes by deubiquitinating various target proteins in pathways such as TGF-β receptor, NF-κ-B, and RNF41/NRDP1-PRKN. In TGF-β signaling, it promotes R-SMAD deubiquitination or stabilizes TGFBR1, thereby enhancing pathway activity. USP15 Protein, Human (sf9) is the recombinant human-derived USP15 protein, expressed by Sf9 insect cells , with tag free.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: Sf9 insect cells
  • Storage:
    Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.
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  • Biological Activity
  • Technical Parameters
  • Product Properties
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Biological Activity

Description

USP15 is a hydrolase that complexly regulates cellular processes by deubiquitinating various target proteins in pathways such as TGF-β receptor, NF-κ-B, and RNF41/NRDP1-PRKN. In TGF-β signaling, it promotes R-SMAD deubiquitination or stabilizes TGFBR1, thereby enhancing pathway activity. USP15 Protein, Human (sf9) is the recombinant human-derived USP15 protein, expressed by Sf9 insect cells , with tag free.

Background

USP15, a hydrolase, plays a crucial role in cellular regulation by removing conjugated ubiquitin from various target proteins, influencing pathways such as TGF-beta receptor signaling, NF-kappa-B, and RNF41/NRDP1-PRKN pathways. Its involvement in the TGF-beta receptor signaling pathway is multifaceted; it may promote deubiquitination of monoubiquitinated R-SMADs, alleviating their inhibition and activating TGF-beta target genes, or it may mediate deubiquitination and stabilization of TGFBR1, enhancing TGF-beta signaling. USP15 exhibits versatile deubiquitination capabilities, acting on monoubiquitinated substrates and different types of polyubiquitin chains. Additionally, it acts as an inhibitor of mitophagy by counteracting parkin's action, hydrolyzing polyubiquitin chains on target proteins such as MFN2. USP15 is also involved in endosome organization, NF-kappa-B regulation, and negative modulation of antifungal immunity through deubiquitination of various substrates. Furthermore, in microbial infection scenarios, USP15 protects APC and human papillomavirus type 16 protein E6 against degradation via the ubiquitin-proteasome pathway.

Verified Bioactivity

The fundamental role of USP15 is specific removal of ubiquitin from substrates. USP15 catalyses the ubiquitin from the substrate Ub-Rho110 to release fluorophores. Rho110 will release 535 nM emission light under the excitation condition of 485 nM. The signal of which can be quickly and reliably captured using a microplate reader.

Technical Parameters

  • Species Human
  • Source Sf9 insect cells
  • Tag Tag Free
  • Accession

    Q9Y4E8 (M1-N981)

  • Gene ID
    9958
  • Molecular Construction
    • N-term
    • USP15 (M1-N981)
      Accession # Q9Y4E8
    • C-term
  • Protein Length

    Full Length of Mature Protein

  • Synonyms

    USP15; Ubiquitin carboxyl-terminal hydrolase 15; Deubiquitinating enzyme 15; Ubiquitin thioesterase 15; Ubiquitin-specific-processing protease 15; Unph-2; Unph4

  • AA Sequence

    MAEGGAADLDTQRSDIATLLKTSLRKGDTWYLVDSRWFKQWKKYVGFDSWDKYQMGDQNVYPGPIDNSGLLKDGDAQSLKEHLIDELDYILLPTEGWNKLVSWYTLMEGQEPIARKVVEQGMFVKHCKVEVYLTELKLCENGNMNNVVTRRFSKADTIDTIEKEIRKIFSIPDEKETRLWNKYMSNTFEPLNKPDSTIQDAGLYQGQVLVIEQKNEDGTWPRGPSTPKSPGASNFSTLPKISPSSLSNNYNNMNNRNVKNSNYCLPSYTAYKNYDYSEPGRNNEQPGLCGLSNLGNTCFMNSAIQCLSNTPPLTEYFLNDKYQEELNFDNPLGMRGEIAKSYAELIKQMWSGKFSYVTPRAFKTQVGRFAPQFSGYQQQDCQELLAFLLDGLHEDLNRIRKKPYIQLKDADGRPDKVVAEEAWENHLKRNDSIIVDIFHGLFKSTLVCPECAKISVTFDPFCYLTLPLPMKKERTLEVYLVRMDPLTKPMQYKVVVPKIGNILDLCTALSALSGIPADKMIVTDIYNHRFHRIFAMDENLSSIMERDDIYVFEININRTEDTEHVIIPVCLREKFRHSSYTHHTGSSLFGQPFLMAVPRNNTEDKLYNLLLLRMCRYVKISTETEETEGSLHCCKDQNINGNGPNGIHEEGSPSEMETDEPDDESSQDQELPSENENSQSEDSVGGDNDSENGLCTEDTCKGQLTGHKKRLFTFQFNNLGNTDINYIKDDTRHIRFDDRQLRLDERSFLALDWDPDLKKRYFDENAAEDFEKHESVEYKPPKKPFVKLKDCIELFTTKEKLGAEDPWYCPNCKEHQQATKKLDLWSLPPVLVVHLKRFSYSRYMRDKLDTLVDFPINDLDMSEFLINPNAGPCRYNLIAVSNHYGGMGGGHYTAFAKNKDDGKWYYFDDSSVSTASEDQIVSKAAYVLFYQRQDTFSGTGFFPLDRETKGASAATGIPLESDEDSNDNDNDIENENCMHTN

  • Predicted Molecular Mass

    112.4 kDa

  • Molecular Weight

    Approximately 112 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

    ≥ 90%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Solution.

Formulation

Supplied as a 0.22 μm filtered solution of 50 mM HEPES, 200 mM NaCl, 20% glycerol, 1 mM DTT, pH 7.5.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

Please use rapid thawing with running water to thaw the protein.

Storage & Stability

Stored at -80°C for 1 year from date of receipt. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.

Shipping

Shipping with dry ice.

Calculators

Reconstitution Calculator

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

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Dilution Calculator

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

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The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

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

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated CTLL-2 mouse cytotoxic T cells. The ED50 this effect is 0.8023 μg/ml, corresponding to a specific activity is 1246.42 units/mg.

Assay Types
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