Recombinant Human GST-USP21 Catalytic Domain Protein, CF

Recombinant Human GST-USP21 Catalytic Domain Protein, CF Summary

Product Specifications

Product Datasheets

Carrier Free

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

Background: USP21

USP21 is a deubiquitinating enzyme (DUB) of the C19 peptidase family.  Human USP21 has a predicted molecular weight of 63 kDa and is 96% identical to both mouse and rat orthologues. USP21 has been reported to deubiquitinate histone H2A, a specific tag for epigenetic transcriptional repression.  The transcription factor FOXM1 is also reported to be a substrate for USP21 both in vitro and in vivo, and FOXM1 stabilization by USP21 contributes to cell cycle progression in basal-like breast cancer (BLBC).  USP21 depletion sensitizes BLBC cell lines and mouse xenograft tumors to paclitaxel, a frontline therapy in BLBC treatment, suggesting USP21 inhibitors may be useful in cancer treatment.  This recombinant protein contains an N-terminal GST tag and amino acid residues Ser 196 to Leu 565.

Related Research Areas

• Deubiquitinating Enzymes (DUBs)
• Search Ubiquitin-related Enzymes