Date published: 2026-2-23

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OR4F5 Inhibitors

OR4F5 inhibitors encompass a diverse range of compounds specifically chosen for their ability to modulate the activity of the olfactory receptor OR4F5. This class is characterized not by a shared chemical structure but by a shared functional objective: to influence the signaling pathway of OR4F5, which is crucial for the detection of specific odors. The inhibitors within this class operate through various mechanisms, each tailored to interfere with different stages of the olfactory signaling process. Their modes of action reflect the intricate nature of olfactory perception, which relies on the precise and sensitive interaction between olfactory receptors and odorant molecules. The inhibitors targeting OR4F5 function by either preventing the binding of odorants to the receptor or by disrupting the subsequent intracellular signaling cascade. Some achieve this by acting as competitive antagonists to the natural ligands of OR4F5, thereby blocking the odorant binding sites and preventing receptor activation. Others focus on the downstream signaling events post-receptor activation, including the inhibition of G-protein interactions, which are essential for transmitting the signal inside the cell. Additionally, some compounds in this class act on further downstream elements, such as enzymes that generate secondary messengers or proteins that mediate cellular responses to these messengers. By targeting these various stages of the olfactory signaling pathway, the inhibitors can effectively modulate the receptor's ability to transduce olfactory signals. The OR4F5 Inhibitors class represents a focused effort to manipulate the sensory function of a specific olfactory receptor. By modulating the functionality of OR4F5, these compounds can alter the initial and crucial steps of odor detection and signal transduction. This class highlights the intricate interplay between chemical compounds and biological signaling processes, showcasing the depth of understanding required to manipulate specific protein functions within complex biological systems. It represents a sophisticated avenue of research focused on modulating the intricate mechanisms of olfaction, demonstrating the potential of indirect inhibition as a means to influence specific protein activities within the cell.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

trans 2-Phenylcyclopropylamine Hydrochloride

1986-47-6sc-208452
sc-208452A
250 mg
1 g
$57.00
$166.00
1
(0)

trans 2-Phenylcyclopropylamine Hydrochloride inhibits adenylate cyclase, potentially reducing cAMP production in response to OR4F5 activation.

KT 5720

108068-98-0sc-3538
sc-3538A
sc-3538B
50 µg
100 µg
500 µg
$138.00
$220.00
$972.00
47
(2)

KT5720 inhibits protein kinase A, which is activated by cAMP in the GPCR pathway of OR4F5.

H-89 dihydrochloride

130964-39-5sc-3537
sc-3537A
1 mg
10 mg
$94.00
$186.00
71
(2)

H-89 inhibits protein kinase A, potentially disrupting the signaling cascade following OR4F5 activation.

Tetracaine

94-24-6sc-255645
sc-255645A
sc-255645B
sc-255645C
sc-255645D
sc-255645E
5 g
25 g
100 g
500 g
1 kg
5 kg
$66.00
$309.00
$500.00
$1000.00
$1503.00
$5000.00
(0)

Tetracaine can block sodium channels, potentially inhibiting the neuronal response to OR4F5 activation.

Amiloride • HCl

2016-88-8sc-3578
sc-3578A
25 mg
100 mg
$22.00
$57.00
6
(2)

Amiloride • HCl blocks certain ion channels, which might affect the signal transduction of OR4F5.

Pertussis Toxin (islet-activating protein)

70323-44-3sc-200837
50 µg
$451.00
3
(1)

Pertussis Toxin can inhibit G-proteins, potentially blocking the signaling pathway of OR4F5 following odorant binding.

PP1 Analog II, 1NM-PP1

221244-14-0sc-203214
sc-203214A
1 mg
5 mg
$106.00
$530.00
10
(1)

NF449 is a potent Gs-alpha subunit inhibitor, which can disrupt GPCR signaling including that of OR4F5.

LY 294002

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

LY294002 inhibits PI3K, potentially affecting downstream signaling pathways of GPCRs including OR4F5.