Date published: 2026-4-1

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Rhomboid Activators

Rhomboid proteases are a class of intramembrane serine proteases that play a crucial role in various cellular processes, including signaling pathways. Unlike traditional proteases, rhomboid proteases cleave their substrate within the lipid bilayer, which is a unique characteristic of this protein family. Chemical activators of rhomboid proteases, termed Rhomboid Activators, are compounds that enhance the proteolytic activity of these enzymes. Rhomboid Activators achieve this by stabilizing the active site conformation, enhancing substrate recognition, or facilitating the access of substrates to the catalytic serine residue nestled within the hydrophobic environment of the membrane.

These activators often function by interacting with the protein in a way that promotes the protease's natural inclination to cleave transmembrane domains of substrate proteins. This interaction can either be through direct binding to the protease, altering the membrane environment to favor proteolysis or modifying the substrate to increase its affinity for the enzyme's active site. The precise mechanisms by which Rhomboid Activators enhance the activity of rhomboid proteases may vary depending on the chemical structure of the activator and the specific rhomboid protease in question. Nevertheless, the overarching theme is the facilitation of the conformational changes necessary for the protease to engage effectively with its substrates. These activators are invaluable tools for probing the biological functions of rhomboid proteases and elucidating their roles in cellular signaling and regulation.

SEE ALSO...

Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$78.00
$153.00
$740.00
$1413.00
$2091.00
73
(3)

Forskolin activates adenylyl cyclase, increasing cAMP levels in cells. Elevated cAMP enhances the activity of Rhomboid by promoting its role in intracellular signaling cascades that Rhomboid is known to be a part of.

FTY720

162359-56-0sc-202161
sc-202161A
sc-202161B
1 mg
5 mg
25 mg
$33.00
$77.00
$120.00
14
(1)

FTY720 is phosphorylated in vivo to form FTY720-P, which acts as a sphingosine-1-phosphate agonist. It influences sphingolipid signaling pathways that are known to regulate Rhomboid activity and subcellular localization.

Ionomycin

56092-82-1sc-3592
sc-3592A
1 mg
5 mg
$78.00
$270.00
80
(4)

Ionomycin is a calcium ionophore that increases intracellular calcium levels, indirectly enhancing Rhomboid activity through the calcium-mediated signaling pathways that Rhomboid is associated with.

Dibutyryl-cAMP

16980-89-5sc-201567
sc-201567A
sc-201567B
sc-201567C
20 mg
100 mg
500 mg
10 g
$47.00
$136.00
$492.00
$4552.00
74
(7)

Dibutyryl-cAMP is a cAMP analog that permeates cell membranes and mimics the action of cAMP, thus it can enhance Rhomboid activity by stimulating the same pathways as cAMP does.

IBMX

28822-58-4sc-201188
sc-201188B
sc-201188A
200 mg
500 mg
1 g
$260.00
$350.00
$500.00
34
(1)

IBMX is a non-selective inhibitor of phosphodiesterases, which prevents the breakdown of cAMP, thereby sustaining enhanced Rhomboid function through elevated cAMP levels.

PMA

16561-29-8sc-3576
sc-3576A
sc-3576B
sc-3576C
sc-3576D
1 mg
5 mg
10 mg
25 mg
100 mg
$41.00
$132.00
$214.00
$500.00
$948.00
119
(6)

PMA activates protein kinase C, which is implicated in the regulation of Rhomboid by modifying the intracellular environment and membrane dynamics critical for Rhomboid's function.

PD 98059

167869-21-8sc-3532
sc-3532A
1 mg
5 mg
$40.00
$92.00
212
(2)

PD 98059 is a MEK inhibitor that indirectly affects Rhomboid activity by shifting the balance of cellular signaling pathways, potentially enhancing pathways that rely on Rhomboid's role.

LY 294002

154447-36-6sc-201426
sc-201426A
5 mg
25 mg
$123.00
$400.00
148
(1)

LY294002 is a PI3K inhibitor that, by altering the PI3K/AKT pathway, can indirectly lead to the activation of Rhomboid through changes in cellular signaling landscapes.

Staurosporine

62996-74-1sc-3510
sc-3510A
sc-3510B
100 µg
1 mg
5 mg
$82.00
$153.00
$396.00
113
(4)

Staurosporine is a protein kinase inhibitor that, by modulating kinase activity, can influence the signaling pathways and proteolytic processes that Rhomboid is involved in.

A23187

52665-69-7sc-3591
sc-3591B
sc-3591A
sc-3591C
1 mg
5 mg
10 mg
25 mg
$55.00
$131.00
$203.00
$317.00
23
(1)

A23187 is a calcium ionophore like Ionomycin, which increases intracellular calcium concentrations and thus can enhance Rhomboid activity through calcium-dependent pathways.