Recombinant Human Poly-SUMO3 Wild-type Chains (2-8), CF

Catalog # Availability Size / Price Qty
ULC-310-025
Product Details
Citations (1)
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Recombinant Human Poly-SUMO3 Wild-type Chains (2-8), CF Summary

Product Specifications

Purity
>95%, by SDS-PAGE under reducing conditions and visualized by Colloidal Coomassie® Blue stain.
Activity
The function of SUMO chains is an area of intense research. K11-linked Poly-SUMO3 WT Chains (2-8) are ideal for investigating SUMO-binding proteins and as substrates for SUMO-specific proteases. Reaction conditions will need to be optimized for each specific application.
Source
E. coli-derived human Poly-SUMO3 protein
Accession #

Product Datasheets

Carrier Free

What does CF mean?

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.

What formulation is right for me?

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.

ULC-310

Formulation

X mg/ml in 50 mM HEPES pH 8, 100 mM NaCl, 1 mM DTT

Shipping The product is shipped with dry ice or equivalent. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 3 months, -20 to -70 °C under sterile conditions after opening.
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Background: Poly-SUMO3

Human Small Ubiquitin-like Modifier 3 (SUMO3), also known as SMT3A, is synthesized as a 103 amino acid (aa), propeptide with a predicted 11.5 kDa. SUMO3 contains a two aa C-terminal prosegment. Poly-SUMO3 represents chains of wild-type recombinant human SUMO3 molecules linked via lysine residue 11, which is the point of attachment for the C-terminal glycine residue of the preceding SUMO3 (1). SUMO3 monomers and dimers have been removed from the chain mixture. Human SUMO3 shares 83% sequence identity with mouse SUMO3. Di-SUMO3 can be used as a substrate for SUMO-specific isopeptidases (SENPs) and DeSUMOylating Isopeptidase 1 (DeSI-1) that cleave the isopeptide linkage between two SUMO3 molecules (2). It can also be used to investigate mechanisms of binding and recognition by SUMO-activating (E1) enzymes, SUMO-conjugating (E2) enzymes, SUMO ligases (E3s), and other proteins that contain SUMO binding domains.

SUMOs are a family of small, related proteins that can be enzymatically attached to a target protein by a post-translational modification process termed SUMOylation (3-5). Unlike SUMO1 which is usually conjugated to proteins as a monomer, SUMO2 and SUMO3 form high molecular weight polymers on proteins. All SUMO proteins share a conserved Ubiquitin domain and a C-terminal diglycine cleavage/attachment site. Following prosegment cleavage, the C-terminal glycine residue of SUMO3 is enzymatically attached to a lysine residue on a target protein. In humans, SUMO3 is conjugated to a variety of molecules in the presence of the SAE1/UBA2 SUMO-activating (E1) enzyme and the UBE2I/Ubc9 SUMO-conjugating (E2) enzyme (6,7). In yeast, the SUMO-activating (E1) enzyme is Aos1/Uba2p (8).

Poly-SUMO-3 chains can be used to investigate mechanisms of chain recognition, binding and hydrolysis by SUMO-specific isopeptidases (SENPs), SUMO-specific E3 ligases or other proteins that contain SUMO-3 binding domains. This product is formed enzymatically with wild type Human Recombinant SUMO-3 linked via lysine 11 which is the point of attachment for the C-terminal glycine of the preceding SUMO-3. Mono-SUMO-3 has been removed from the chain mixture.

References
  1. Bylebyl, G.R. et al. (2003) J. Biol. Chem. 278:44113.
  2. Shin, E.J. et al. (2012) EMBO Rep. 13:339.
  3. Desterro, J.M. et al. (1997) FEBs. Lett. 417:297.
  4. Bettermann, K. et al. (2012) Cancer Lett. 316:113.
  5. Praefcke, G.J. et al. (2012) Trends Biochem. Sci. 37:23.
  6. Okuma, T. et al. (1999) Biochem. Biophys. Res. Commun. 254:693.
  7. Tatham, M.H. et al. (2001) J. Biol. Chem. 276:35368.
  8. Johnson, E.S. et al. (1997) EMBO J. 16:5509.
Entrez Gene IDs
6612 (Human)
Alternate Names
PolySUMO3; Poly-SUMO3

Citation for Recombinant Human Poly-SUMO3 Wild-type Chains (2-8), CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. The adenovirus E4-ORF3 protein functions as a SUMO E3 ligase for TIF-1? sumoylation and poly-SUMO chain elongation
    Proc Natl Acad Sci USA, 2016;113(24):6725-30.
    Species: Human
    Sample Types: Recombinant Protein
    Applications: Bioassay

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