Date published: 2026-5-7

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UGCG Inhibitors

UGCG, or glucosylceramide synthase, is a key enzyme involved in the glycosphingolipid biosynthesis pathway, playing a crucial role in regulating cellular membrane composition and signaling events. The inhibitors selected above employ diverse mechanisms to either directly target UGCG or indirectly influence its function by impacting related signaling pathways. Genz-123346 and Miglustat are direct inhibitors that competitively bind to UGCG's active site, disrupting the conversion of ceramide to glucosylceramide. This direct inhibition leads to perturbations in glycosphingolipid composition, altering cellular membrane properties and signaling cascades governed by UGCG-derived lipids. Several compounds, such as PPMP and NB-DNJ, indirectly modulate UGCG by influencing ceramide levels. PPMP inhibits sphingomyelin synthase, leading to increased cellular ceramide concentrations, while NB-DNJ competes with the natural substrate, disrupting the glycosphingolipid biosynthesis pathway. These indirect modulations impact UGCG activity by altering substrate availability, resulting in changes to cellular lipid composition and signaling events regulated by UGCG-derived lipids. Other inhibitors, like Conduritol B epoxide (CBE) and NB-06-0405, specifically inhibit UGCG by irreversibly binding to its active site or competing with the natural substrate. These direct inhibitors disrupt glycosphingolipid biosynthesis, influencing cellular membrane properties and signaling events governed by UGCG-derived lipids. EtDO-P4 indirectly modulates UGCG by affecting ceramide levels. EtDO-P4 inhibits acid ceramidase, leading to increased cellular ceramide concentrations. These indirect modulations impact UGCG activity by altering substrate availability, resulting in changes to cellular lipid composition and signaling events regulated by UGCG-derived lipids. U18666A and L-PDMP indirectly modulate UGCG by influencing lipid metabolism. U18666A inhibits oxidosqualene cyclase, disrupting cholesterol homeostasis, while L-PDMP competitively inhibits UGCG. These indirect modulations affect UGCG activity by influencing the availability of lipid substrates, resulting in changes to cellular membrane composition and signaling events regulated by UGCG-derived lipids. In summary, UGCG inhibitors, whether direct or indirect, offer valuable tools to dissect and manipulate cellular processes dependent on glycosphingolipid biosynthesis.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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 functions as a selective UGCG inhibitor, characterized by its ability to modulate glycosphingolipid biosynthesis. Its unique molecular structure enables specific hydrogen bonding and hydrophobic interactions with the enzyme's active site, enhancing its inhibitory potency. The compound exhibits a favorable kinetic profile, with a notable affinity for the enzyme, leading to a significant reduction in substrate turnover and altered lipid metabolism dynamics.

DL-threo-PDMP, Hydrochloride

80938-69-8sc-203030
50 mg
$270.00
1
(1)

DL-threo-PDMP, Hydrochloride serves as a potent UGCG inhibitor, distinguished by its ability to disrupt glycosphingolipid synthesis through competitive inhibition. Its structural conformation allows for precise interactions with the enzyme's active site, facilitating strong van der Waals forces and electrostatic interactions. This compound demonstrates a unique capacity to alter lipid raft composition, influencing cellular signaling pathways and membrane fluidity, thereby impacting cellular homeostasis.

DL-PPMP

149022-18-4sc-205655
sc-205655A
5 mg
25 mg
$74.00
$298.00
4
(1)

DL-PPMP functions as a selective UGCG inhibitor, characterized by its unique ability to modulate glycosphingolipid metabolism. Its molecular structure enables effective binding to the enzyme's active site, promoting specific hydrogen bonding and hydrophobic interactions. This compound exhibits distinct kinetic properties, influencing reaction rates and substrate affinity. Additionally, DL-PPMP can alter membrane dynamics, potentially affecting lipid organization and cellular signaling cascades.

D-threo-PDMP

109836-82-0sc-280659
10 mg
$808.00
1
(0)

D-threo-PDMP serves as a selective inhibitor of UGCG, distinguished by its capacity to disrupt glycosphingolipid biosynthesis. Its stereochemistry facilitates precise interactions with the enzyme, enhancing binding affinity through specific electrostatic and van der Waals forces. This compound influences lipid raft formation and membrane fluidity, potentially altering cellular communication pathways. Furthermore, D-threo-PDMP exhibits unique reaction kinetics, impacting substrate turnover and enzyme regulation.

DL-PDMP

73257-80-4sc-201391
sc-201391B
sc-201391A
sc-201391C
10 mg
25 mg
50 mg
100 mg
$119.00
$273.00
$515.00
$837.00
3
(1)

DL-PDMP is a potent inhibitor of UGCG, characterized by its ability to modulate glycosphingolipid metabolism. Its unique structural features allow for specific interactions with the enzyme's active site, promoting a conformational change that hinders substrate access. This compound also affects lipid organization within membranes, potentially influencing signal transduction pathways. Additionally, DL-PDMP demonstrates distinct kinetic properties, altering the enzyme's catalytic efficiency and substrate affinity.