Date published: 2026-1-11

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BBS5 Inhibitors

BBS5 inhibitors are a class of chemical compounds that specifically target and inhibit the BBS5 protein, which is one of the components of the Bardet-Biedl syndrome (BBS) complex. BBS5 is involved in the regulation and functioning of primary cilia, which are sensory organelles present on the surface of most eukaryotic cells. These cilia play critical roles in cellular signaling, particularly in relation to environmental sensing and cellular communication. BBS5 is responsible for mediating protein-protein interactions within the BBSome, a complex that facilitates the trafficking of proteins to the cilia. Inhibitors of BBS5 disrupt this function by interfering with its ability to interact with other proteins in the BBSome, ultimately affecting the stability and function of the primary cilia.

The chemical structure of BBS5 inhibitors often includes small molecules designed to specifically bind to critical regions of the BBS5 protein, such as its interaction domains with other components of the BBSome. These inhibitors may act by directly blocking the binding sites necessary for complex formation or by inducing conformational changes that reduce the functionality of BBS5. By inhibiting BBS5, researchers can gain insights into how the BBSome complex is regulated and how defects in protein trafficking to the primary cilia impact broader cellular processes. The study of BBS5 inhibitors is important for understanding the role of cilia in cell signaling and homeostasis, as well as the intricate network of proteins that contribute to the maintenance and function of these organelles. Through the use of these inhibitors, scientists can explore the specific contributions of BBS5 to cellular organization and signaling pathways associated with ciliary function.

SEE ALSO...

Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Wortmannin

19545-26-7sc-3505
sc-3505A
sc-3505B
1 mg
5 mg
20 mg
$67.00
$223.00
$425.00
97
(3)

Wortmannin is a potent inhibitor of phosphoinositide 3-kinases (PI3Ks). PI3Ks generate phosphatidylinositol (3,4,5)-trisphosphate (PIP3), which is required for localization of some proteins to the cilium. By inhibiting PI3Ks, Wortmannin can indirectly lead to decreased ciliary localization of BBS5.

LY 294002

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

LY294002 is another PI3K inhibitor. Like Wortmannin, it can indirectly inhibit BBS5 function by reducing PIP3 levels and thereby affecting ciliary localization of BBS5.

Propranolol

525-66-6sc-507425
100 mg
$180.00
(0)

Propranolol is a non-selective beta-adrenergic receptor antagonist. Beta-adrenergic signaling can regulate cilia length and function. By inhibiting this pathway, Propranolol can indirectly affect BBS5 activity within the cilium.

SB 431542

301836-41-9sc-204265
sc-204265A
sc-204265B
1 mg
10 mg
25 mg
$82.00
$216.00
$416.00
48
(1)

SB431542 is a selective inhibitor of transforming growth factor-beta (TGF-beta) type I receptor ALK5 kinase, ALK4 and ALK7. TGF-beta signaling has been implicated in ciliary function. Inhibiting this pathway can indirectly affect BBS5 function within the cilium.

Vismodegib

879085-55-9sc-396759
sc-396759A
10 mg
25 mg
$82.00
$158.00
1
(0)

Vismodegib is an inhibitor of the Hedgehog signaling pathway, which is highly dependent on ciliary function. By inhibiting this pathway, Vismodegib can indirectly affect BBS5 activity within the cilium.

Cyclopamine

4449-51-8sc-200929
sc-200929A
1 mg
5 mg
$94.00
$208.00
19
(1)

Cyclopamine is another Hedgehog pathway inhibitor. Like Vismodegib, it can indirectly inhibit BBS5 function by affecting ciliary-dependent Hedgehog signaling.

Itraconazole

84625-61-6sc-205724
sc-205724A
50 mg
100 mg
$78.00
$142.00
23
(1)

Itraconazole is an antifungal agent in research that also inhibits the Hedgehog pathway. It can indirectly affect BBS5 function by disrupting ciliary-dependent Hedgehog signaling.

Nocodazole

31430-18-9sc-3518B
sc-3518
sc-3518C
sc-3518A
5 mg
10 mg
25 mg
50 mg
$59.00
$85.00
$143.00
$247.00
38
(2)

Nocodazole disrupts microtubule dynamics. As cilia are microtubule-based organelles, this can indirectly affect BBS5 function within the cilium.

Colchicine

64-86-8sc-203005
sc-203005A
sc-203005B
sc-203005C
sc-203005D
sc-203005E
1 g
5 g
50 g
100 g
500 g
1 kg
$100.00
$321.00
$2289.00
$4484.00
$18207.00
$34749.00
3
(2)

Colchicine is another microtubule disruptor. By affecting microtubule dynamics, it can indirectly inhibit BBS5 function within the cilium.

Taxol

33069-62-4sc-201439D
sc-201439
sc-201439A
sc-201439E
sc-201439B
sc-201439C
1 mg
5 mg
25 mg
100 mg
250 mg
1 g
$41.00
$74.00
$221.00
$247.00
$738.00
$1220.00
39
(2)

Paclitaxel stabilizes microtubules and prevents their depolymerization. This can indirectly inhibit BBS5 function by affecting ciliary structure and function.