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Human FBXO31 Recombinant Protein (N-His) (HD309012)

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Overview
Catalog No.HD309012
Description
Recombinant Human FBXO31 Protein, N-His (HD309012) expressed in E. coli, spanning Pro71-Ile289. Purity: >90% by SDS-PAGE.
Highlights
  • His-Tagged — N-terminal 6×His tag for IMAC purification.
  • E. coli Expression — High-yield, cost-effective production.
  • High Purity — >90% purity verified by SDS-PAGE.
Expression systemE. coli
AccessionQ5XUX0
Protein lengthPro71-Ile289
ApplicationsELISA, Immunogen, SDS-PAGE, WB, Bioactivity testing in progress
SpeciesHomo sapiens (Human)
Nature Recombinant
Endotoxin level Please contact with the lab for this information.
Purity >90% as determined by SDS-PAGE.
Predicted molecular weight 28.31 kDa
Form Lyophilized
Storage buffer Lyophilized from a solution in PBS pH 7.4, 1 mM EDTA, 4% Trehalose, 1% Mannitol.

Please refer to the specific buffer information in the hardcopy of datasheet or the lot-specific COA.

Reconstitution Reconstitute in sterile water for a stock solution. A copy of datasheet will be provided with the products, please refer to it for details.
Shipping In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.
Stability and Storage Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for frequent use. Store at -20 to -80°C for twelve months from the date of receipt.
Alternate NamesF-box only protein 31, FBX14, FBX31, FBXO31
Background

F-box only protein 31 is a ~60 kDa protein. Substrate-recognition component of the SCF(FBXO31) protein ligase complex, which specifically mediates the ubiquitination of proteins amidated at their C-terminus in response to oxidative stress, leading to their degradation by the proteasome. FBXO31 specifically recognizes and binds C-terminal peptides bearing an amide: C-terminal amidation in response to oxidative stress takes place following protein fragmentation. The SCF(FBXO31) also plays a role in G1 arrest following DNA damage by mediating ubiquitination of phosphorylated cyclin-D1 (CCND1), promoting its degradation by the proteasome, resulting in G1 arrest. The SCF(FBXO31) complex is however not a major regulator of CCND1 stability during the G1/S transition. In response to genotoxic stress, the SCF(FBXO31) complex directs ubiquitination and degradation of phosphorylated MDM2, thereby promoting p53/TP53-mediated DNA damage response.

1. Muhar, MF. et al. (2025) Nature 638, 519-527. PMID: 39880951
2. Santra, MK. et al. (2009) Nature 459, 722-5. PMID: 19412162
3. Li, Y. et al. (2018) Proceedings of the National Academy of Sciences of the United States of America 115, 319-324. PMID: 29279382
4. Malonia, SK. et al. (2015) Proceedings of the National Academy of Sciences of the United States of America 112, 8632-7. PMID: 26124108
5. Dutta, P. et al. (2019) The Journal of biological chemistry 294, 14879-14895. PMID: 31413110
6. Liu, J. et al. (2014) The Journal of biological chemistry 289, 21508-18. PMID: 24936062
7. Choppara, S. et al. (2018) The Journal of biological chemistry 293, 16291-16306. PMID: 30171069
8. Johansson, P. et al. (2014) The Journal of biological chemistry 289, 18514-25. PMID: 24828503
9. Vadhvani, M. et al. (2013) PloS one 8, e57530. PMID: 23469015
Note For research use only
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Formula
Mass (g) = Concentration (mol/L) × Volume (L) × MW (g/mol)
Enter any 2 of Mass, Concentration, Volume + Molecular Weight to solve for the unknown.
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Volume
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Formula
C₁ × V₁ = C₂ × V₂
Enter any 3 of the 4 values to solve for the unknown.
Stock Solution
C₁ (Stock Conc.)
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V₁ (Stock Vol.)
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Working Solution
C₂ (Working Conc.)
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