Beta-galactosidase Enzyme Acceptor

$795.00 $375.00


Beta-galactosidase Enzyme Acceptor

$795.00 $375.00

Catalog #: P2010005 (1 mg)

Beta-galactosidase Enzyme Acceptor (also known as Omega Domain) is the larger fragment of the Beta-galactosidase enzyme. This fragment can associate with the smaller fragment of the Beta-galactosidase enzyme (Alpha peptide, enzyme donor) and reconstitute an active Beta-galactosidase enzyme.

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SKU: P2010005 Category: Tag:


Beta-galactosidase Enzyme Acceptor (Omega peptide)

Product Data Sheet
Catalog # P2010005
Size 1.0 mg
Other Names Beta-galactosidase Omega Domain
Supplied as White lyophilized powder.
Molecular Weight 113 kDa (997 amino residues)
Purity >95% (SDS PAGE)
Storage -20°C. Avoid repeated freeze/thaw cycles.
Suggested buffer Beta-galactosidase Enzyme Acceptor Stabilization Buffer (B2010002)
Keywords Beta-galactosidase Omega Domain, Enzyme Acceptor, alpha complementation, LacZ.
Related products Beta-galactosidase Enzyme Donor (Alpha Peptide), Beta-galactosidase Enzyme Acceptor Stabilization Buffer, Beta-galactosidase Alpha Complementation Kit.


  • Kras, E. (2019). Beta-galactosidase: properties, structure and functions. New York: Nova Science Publishers.
  • Arndt, T. (2017). Cloned Enzyme Donor Immunoassay. Lexikon Der Medizinischen Laboratoriumsdiagnostik, 1–2.
  • Jeon, S. I., Yang, X., and Andrade, J. D. (2004). Modeling of homogeneous cloned enzyme donor immunoassay. Analytical Biochemistry, 333(1), 136–147.
  • Tachi, T., Kaji, N., Tokeshi, M., and Baba, Y. (2009). Microchip-based Homogeneous Immunoassay Using a Cloned Enzyme Donor. Analytical Sciences, 25(2), 149–151.
  • Khanna, P. L., and Worthy, T. E. (1993). CEDIA: A Recombinant-Based Homogeneous Enzyme Immunoassay.

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1- Matthews BW. The structure of E. coli beta-galactosidase. C R Biol. 2005 Jun;328(6):549-56.

2- Zeilstra-Ryalls JH, Somerville RL. Protein-protein interaction in the alpha-complementation system of beta-galactosidase. Curr Top Cell Regul. 1992;33:81-104.


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