Date published: 2026-4-1

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β-Gal Inhibitors

β-Gal inhibitors encompass a varied collection of organic compounds distinguished by their capacity to obstruct the catalytic performance of β-galactosidase enzymes. These enzymes, prominently present in various organisms, orchestrate the hydrolytic cleavage of glycosidic linkages in β-galactoside substrates, yielding constituent monosaccharides. The inhibitors within this chemical class manifest a propensity to disrupt the regular functionality of β-galactosidase through a range of strategies, often involving their interaction with critical binding sites, such as the active site or functionally consequential regions. Originating from diverse sources, including both natural reservoirs and synthetic pathways, these inhibitors boast a rich diversity in their chemical architectures and mechanisms of action. These attributes, in turn, confer upon them the capacity to competitively or non-competitively impede the binding of substrates and the ensuing hydrolysis events. The intricate interplay between the structural attributes of these inhibitors and the specific amino acid residues constituting the enzyme's active site assumes a central role in dictating their efficacy as inhibitors.

These inhibitors, while intrinsically valuable for their role in modifying enzymatic activity, have also become indispensable tools in an array of research endeavors. Their deployment has significantly advanced the comprehension of enzymatic mechanisms, shedding light on the intricate steps involved in glycosidic bond cleavage. By perturbing the enzymatic function, these inhibitors facilitate the dissection of the substrate recognition process, unraveling the nuances of binding interactions that underscore catalysis. This, in turn, has yielded profound insights into fundamental biological processes, particularly those underpinned by glycosidic transformations. As a consequence, the realm of β-Gal inhibitors emerges as a dynamic domain, where chemical diversity intertwines with enzymatic intricacies to unravel the subtle choreography of glycoside hydrolysis.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Phloridzin dihydrate

7061-54-3sc-215708
sc-215708A
250 mg
1 g
$49.00
$119.00
(0)

A natural compound found in apple trees and related plants, Phloridzin inhibits β-galactosidase by competitively binding to the enzyme's active site.

Castanospermine

79831-76-8sc-201358
sc-201358A
100 mg
500 mg
$184.00
$632.00
10
(1)

This alkaloid inhibits β-galactosidase through its interaction with the enzyme's glycone pocket, preventing substrate binding.

Deoxynojirimycin

19130-96-2sc-201369
sc-201369A
1 mg
5 mg
$73.00
$145.00
(0)

Deoxynojirimycin is a naturally occurring iminosugar that acts as a β-galactosidase inhibitor by binding to the active site and preventing substrate hydrolysis.

Lactose

63-42-3sc-221828A
sc-221828
sc-221828B
500 g
1 kg
2.5 kg
$109.00
$160.00
$352.00
1
(1)

Paradoxically, lactose itself can act as a competitive inhibitor of β-galactosidase, especially when present in high concentrations.

N-Butyldeoxynojirimycin·HCl

210110-90-0sc-201398
sc-201398A
sc-201398B
5 mg
25 mg
50 mg
$180.00
$550.00
$985.00
4
(1)

N-Butyldeoxynojirimycin·HCl is a potential inhibitor of β-galactosidase.

Kifunensine

109944-15-2sc-201364
sc-201364A
sc-201364B
sc-201364C
1 mg
5 mg
10 mg
100 mg
$135.00
$540.00
$1025.00
$6248.00
25
(2)

Kifunensine is an alkaloid that acts as an inhibitor of β-galactosidase by binding to its active site and preventing substrate hydrolysis.