Date published: 2026-5-2

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EXT2 Inhibitors

EXT2 inhibitors belong to a distinctive chemical class characterized by their ability to selectively target and modulate the activity of the EXTL2 enzyme. EXTL2, or exostosin-like glycosyltransferase 2, is a member of the exostosin family of glycosyltransferases that play a crucial role in the biosynthesis of heparan sulfate (HS), a complex and highly sulfated polysaccharide found on the cell surface and within the extracellular matrix. The inhibition of EXTL2 represents a strategic approach in influencing HS biosynthesis, as this enzyme is implicated in the polymerization step, contributing to the elongation of heparan sulfate chains. By specifically targeting EXTL2, inhibitors of this class intervene in the finely tuned process of HS chain elongation, exerting a regulatory effect on the overall structure and composition of heparan sulfate.

EXT2 inhibitors are designed to interact with the catalytic site of EXTL2, disrupting its enzymatic activity and thereby modulating the length and sulfation pattern of heparan sulfate chains. The rationale behind targeting EXTL2 lies in the pivotal role of heparan sulfate in various cellular processes, including cell signaling, adhesion, and migration. As such, the development of EXT2 inhibitors opens up avenues for exploring the intricate functions of heparan sulfate in health and disease.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Suramin sodium

129-46-4sc-507209
sc-507209F
sc-507209A
sc-507209B
sc-507209C
sc-507209D
sc-507209E
50 mg
100 mg
250 mg
1 g
10 g
25 g
50 g
$152.00
$214.00
$728.00
$2601.00
$10965.00
$21838.00
$41096.00
5
(1)

Suramin inhibits various growth factors and can disrupt the signaling pathways that EXT2's products, heparan sulfate proteoglycans, are involved in.

Manganese(II) chloride beads

7773-01-5sc-252989
sc-252989A
100 g
500 g
$19.00
$31.00
(0)

Manganese is a cofactor for various enzymes and in excess can perturb enzyme function, potentially affecting those that interact with EXT2.

Flavopiridol

146426-40-6sc-202157
sc-202157A
5 mg
25 mg
$78.00
$259.00
41
(3)

Flavonoids like Flavopiridol have been reported to inhibit glycosaminoglycan synthesis, which could indirectly affect EXT2 functional pathways.

Quercetin

117-39-5sc-206089
sc-206089A
sc-206089E
sc-206089C
sc-206089D
sc-206089B
100 mg
500 mg
100 g
250 g
1 kg
25 g
$11.00
$17.00
$110.00
$250.00
$936.00
$50.00
33
(2)

Quercetin is a flavonoid that can inhibit glycosaminoglycan synthesis and could interfere with the production of substrates necessary for EXT2.

Genistein

446-72-0sc-3515
sc-3515A
sc-3515B
sc-3515C
sc-3515D
sc-3515E
sc-3515F
100 mg
500 mg
1 g
5 g
10 g
25 g
100 g
$45.00
$164.00
$200.00
$402.00
$575.00
$981.00
$2031.00
46
(1)

Genistein is an isoflavone that can inhibit tyrosine kinases and could modulate signaling pathways relevant to EXT2's function.

Heparin

9005-49-6sc-507344
25 mg
$119.00
1
(0)

Though biological, its inclusion is for context as it can degrade heparan sulfate, thus altering the EXT2 substrate pool indirectly.

4-Methylumbelliferyl-β-D-xylopyranoside

6734-33-4sc-220964
sc-220964A
25 mg
100 mg
$71.00
$233.00
(0)

Beta-D-xyloside can initiate glycosaminoglycan chains independent of proteoglycans, potentially altering EXT2's normal function.

1-β-D-Arabinofuranosylcytosine

147-94-4sc-201628
sc-201628A
sc-201628B
sc-201628C
sc-201628D
1 g
5 g
25 g
100 g
250 g
$150.00
$263.00
$518.00
$731.00
$1461.00
1
(1)

1-β-D-Arabinofuranosylcytosine is a nucleoside analog that can disrupt metabolic pathways, potentially influencing EXT2's glycosylation activity.