Recombinant Human/Mouse SUMO1 Protein, CF

Catalog # Availability Size / Price Qty
UL-712-500
R&D Systems Recombinant Proteins and Enzymes
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Recombinant Human/Mouse SUMO1 Protein, CF Summary

Product Specifications

Purity
>95%, by SDS-PAGE under reducing conditions and visualized by Colloidal Coomassie® Blue stain.
Activity
Recombinant Human SUMO1 can be conjugated to substrate proteins via the subsequent actions of an SUMO-activating (E1) enzyme, an SUMO-conjugating (E2) enzyme, and an SUMO ligase (E3). Reaction conditions will need to be optimized for each specific application. We recommend an initial Recombinant Human SUMO1 concentration of 10-50 μM.
Source
E. coli-derived SUMO1 protein
Met1 - Gly97
Accession #
Predicted Molecular Mass
11 kDa

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UL-712

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.

UL-712

Formulation Supplied as a 0.2 μm filtered solution in HEPES, NaCl and 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.
  • 6 months from date of receipt, -70 °C as supplied.
  • 3 months, -70 °C under sterile conditions after opening.
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Reconstitution Calculator

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Background: SUMO1

Human Small Ubiquitin-like Modifier 1 (SUMO1), also known as Sentrin, UBL1, and SMT3C, is synthesized as a 101 amino acid (aa) propeptide with a predicted molecular weight of 11.5 kDa. Human SUMO1 is the most unique of the four identified SUMO proteins and shares only 44%, 47%, and 41% aa sequence identity with SUMO2, SUMO3, and SUMO4, respectively. In contrast, human SUMO1 shares 100% aa sequence identity with the mouse ortholog. 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 (1-3). All SUMO proteins share a conserved Ubiquitin domain and a C-terminal diglycine cleavage/attachment site. Following cleavage of a four aa C-terminal prosegment, the C-terminal glycine residue of SUMO1 is enzymatically attached to a lysine residue on a target protein. In humans, SUMO1 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 (4,5). In yeast, the SUMO-activating (E1) enzyme is Aos1/Uba2p (6). SUMOylation can occur without the requirement of a specific SUMO ligase (E3), where SUMO1 is transferred directly from UBE2I/Ubc9 to specific substrates. SUMOylated substrates are primarily localized to the nucleus (RanGAP-1, RANBP2, PML, p53, Sp100, HIPK2), but there are also cytosolic substrates (I kappa B alpha, GLUT1, GLUT4). SUMO modification has been implicated in functions such as nuclear transport, chromosome segregation, and transcriptional regulation. In Alzheimer's disease models SUMO1 has been shown to influence the generation of Amyloid-beta peptide by promoting the accumulation of BACE-1 (7). Covalent modification of Phosphatase and Tensin Homolog Deleted on Chromosome (PTEN) by SUMO1 is thought to regulate tumorigenesis by retaining PTEN at the plasma membrane, an effect that suppresses PI 3-Kinase/Akt-dependent tumor growth (8).


References
  1. Desterro, J.M. et al. (1997) FEBS. Lett. 417:297.
  2. Bettermann, K. et al. (2012) Cancer Lett. 316:113.
  3. Praefcke, G.J. et al. (2012) Trends Biochem. Sci. 37:23.
  4. Okuma, T. et al. (1999) Biochem. Biophys. Res.  Commun. 254:693.
  5. Tatham, M.H. et al. (2001) J. Biol. Chem. 276:35368.
  6. Johnson, E.S. et al. (1997) EMBO J. 16:5509.
  7. Yun, S.M. et al. (2013) Neurobiol Aging. 34:650.
  8. Huang, J. et al. (2012) Nat. Commun. 3:911.
Long Name
Small Ubiquitin-like Modifier 1
Entrez Gene IDs
7341 (Human); 22218 (Mouse); 301442 (Rat)
Alternate Names
DAP1; GAP modifying protein 1; GAP-modifying protein 1; GMP1SMT3CSMT3H3OFC10UBL1PIC1; PIC1; SENP2; Sentrin; small ubiquitin-related modifier 1; SMT3 homolog 3; SMT3 suppressor of mif two 3 homolog 1 (S. cerevisiae); SMT3 suppressor of mif two 3 homolog 1 (yeast); SMT3; SMT3C; SMT3H3; SUMO1; SUMO-1; Ubiquitin-homology domain protein PIC1; ubiquitin-like 1 (sentrin); Ubiquitin-like protein SMT3C; Ubiquitin-like protein UBL1; UBL1

Citation for Recombinant Human/Mouse SUMO1 Protein, 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. SUMO targeting of a stress-tolerant Ulp1 SUMO protease
    Authors: J Peek, C Harvey, D Gray, D Rosenberg, L Kolla, R Levy-Myers, R Yin, JL McMurry, O Kerscher
    PLoS ONE, 2018;13(1):e0191391.
    Applications: Bioassay

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