Recombinant Human His6-Fluorescein-Tandem UBA (TUBE1), CF

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Product Details

Recombinant Human His6-Fluorescein-Tandem UBA (TUBE1), CF Summary

Human HR23A/Rad23A has two Ubiquitin-associated (UBA) motifs that can each bind Ubiquitin via a hydrophobic surface formed by residues located within the alpha 1 and alpha 3 helices of each UBA domain. Tandem-repeated Ubiquitin binding entities (TUBEs), which consist of multiple tandem Ubiquitin-binding UBA motifs, have been developed for the isolation and identification of ubiquitinated proteins. TUBEs show increased affinity for poly-Ubiquitin moieties compared to single UBA motifs. Additionally, TUBEs protect polyubiquitinated proteins from deubiquitylating enzymes, allowing for the detection of polyubiquitinated proteins at relatively low levels of abundance.


E. coli
Shipping Conditions
The product is shipped with dry ice or equivalent. Upon receipt, store it immediately at the temperature recommended below.
Protect from light. Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 24 months from date of receipt, -70 °C as supplied.
  • 3 months, -20 to -70 °C under sterile conditions after opening.

Product Datasheets

Background: HR23A/Rad23A TUBE1

  1. Chen, L. et al. (2001) EMBO Rep. 2:933.
  2. Wang, Q. et al. (2003) Biochemistry 42:13529.
  3. Hjerpe, R. et al. (2009) EMBO Rep. 10:1250.
  4. Hurley, J.H. et al. (2006) Biochem. J. 399:361.
  5. Lopitz-Otsoa, F. et al. (2010) Biochem. Soc. Trans. 38:40.
Long Name
RAD23 Homolog A
Entrez Gene IDs
5886 (Human); 19358 (Mouse); 361381 (Rat)
Alternate Names
hHR23A; HR23A; Rad23A


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