Date published: 2025-12-3

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Smo Activators

Smo activators belong to a chemical class of compounds that target the Smoothened (Smo) protein, a critical component of the Hedgehog (Hh) signaling pathway. This signaling pathway plays a fundamental role in embryonic development, tissue repair, and stem cell maintenance. The Hh pathway is essential for orchestrating various cellular processes, including proliferation, differentiation, and tissue patterning. Smo, a seven-transmembrane protein, acts as a central transducer in this pathway by regulating the activation of transcription factors like Gli1, Gli2, and Gli3. Smo activators, as the name suggests, promote the activity of the Smo protein by modulating its conformation or function. Smo activators interact with Smo to enhance its activity, which subsequently leads to the activation of downstream signaling cascades. By promoting the Hh pathway's activation, Smo activators can influence the expression of target genes involved in cell fate determination, cell survival, and tissue growth. These compounds have been widely studied in the context of developmental biology and oncology to gain insights into their mechanisms of action and the consequences of pathway activation.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Purmorphamine

483367-10-8sc-202785
sc-202785A
1 mg
5 mg
$56.00
$180.00
18
(1)

An agonist of the Hedgehog signaling pathway that directly binds to SMO, potentially influencing its expression or activity.

Smoothened Agonist, HCl

364590-63-6sc-202814
sc-202814A
1 mg
5 mg
$206.00
$510.00
31
(1)

A chlorobenzothiophene-containing compound that activates the Hedgehog pathway by binding to SMO.

SAG

912545-86-9sc-212905
sc-212905A
1 mg
5 mg
$163.00
$413.00
27
(1)

SAG functions as a potent Smo inhibitor, characterized by its ability to disrupt the hedgehog signaling pathway. Its unique molecular architecture facilitates strong binding to the Smo receptor, leading to conformational changes that hinder downstream signaling. The compound exhibits distinct hydrophobic interactions, enhancing its affinity for the target site. Additionally, its kinetic profile reveals a rapid onset of action, making it an effective modulator of cellular signaling cascades.

SAG Analog (trans-isomer)

sc-396539
1 mg
$195.00
(0)

SAG Analog (trans-isomer) acts as a selective Smo antagonist, showcasing a unique ability to stabilize the inactive conformation of the Smo protein. Its structural features promote specific electrostatic interactions with key residues, effectively blocking ligand-induced activation. The compound's distinct lipophilicity enhances membrane permeability, while its reaction kinetics indicate a prolonged engagement with the target, allowing for sustained modulation of signaling pathways.

SAG Analog (cis-isomer)

1401532-77-1sc-396546
1 mg
$195.00
(0)

SAG Analog (cis-isomer) exhibits a unique mechanism as a Smo modulator, characterized by its ability to induce a conformational shift in the Smo protein. This isomer engages in specific hydrophobic interactions that differ from its trans counterpart, influencing the dynamics of receptor activation. Its distinct steric properties facilitate selective binding, while the compound's reactivity as an acid halide allows for versatile modifications, enhancing its potential for tailored interactions within cellular pathways.

GSA 10

300833-95-8sc-397041
sc-397041A
10 mg
50 mg
$131.00
$739.00
(0)

GSA 10 functions as a Smo modulator through its distinctive ability to stabilize the active conformation of the Smo protein. This compound showcases unique electrostatic interactions that promote enhanced receptor affinity, differentiating it from other modulators. Its reactivity as an acid halide enables the formation of covalent bonds with nucleophilic sites, leading to altered signaling pathways. Additionally, GSA 10's specific steric configuration contributes to its selective engagement with downstream effectors, influencing cellular responses.

Erismodegib

956697-53-3sc-396280
sc-396280A
10 mg
100 mg
$255.00
$918.00
(0)

A selective SMO antagonist. Its effect on SMO expression requires further investigation.

20α-Hydroxy Cholesterol

516-72-3sc-209393
10 mg
$300.00
(0)

Endogenous modulators of the Hedgehog pathway that can bind to and activate SMO.

GANT61

500579-04-4sc-202630
sc-202630A
sc-202630B
1 mg
5 mg
10 mg
$63.00
$128.00
$200.00
6
(1)

A GLI inhibitor that targets the Hedgehog pathway downstream of SMO. Its presence might indirectly influence SMO expression.

RU-SKI 43

1043797-53-0sc-507508
5 mg
$395.00
(0)

A small molecule that inhibits Hedgehog signaling, potentially impacting SMO expression or activity.