Date published: 2026-4-1

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Olfr491 Inhibitors

Olfr491, belonging to the olfactory receptor protein family, is a critical player in the olfactory system, orchestrating the complex process of odorant perception. As a member of the G-protein-coupled receptor (GPCR) family, Olfr491 is a molecular sensor that interacts with odorant molecules, initiating a neuronal response that culminates in the perception of smell. The structural framework of Olfr491, characterized by a 7-transmembrane domain, aligns it with numerous neurotransmitter and hormone receptors. This shared structure highlights its role in the recognition and G protein-mediated transduction of odorant signals, contributing to the intricate machinery of olfactory transduction.

The inhibition of Olfr491 involves a diverse array of mechanisms, each impacting different facets of the receptor's function. Various inhibitors target key components within intracellular signaling pathways associated with olfactory transduction. For instance, some inhibitors interfere with calcium release or chelate intracellular calcium, disrupting downstream events essential for proper olfactory transduction. Others suppress kinases within the MAPK pathway, indirectly inhibiting Olfr491 by altering downstream signaling, leading to diminished activation of the receptor and subsequent reduction in the perception of odorant stimuli. Blockade of adenylate cyclase or purinergic receptors also hinders olfactory signal transduction, contributing to the inhibition of Olfr491. Overall, the inhibition of Olfr491 showcases the complexity of modulating its activity, requiring a nuanced understanding of the intricate signaling networks involved in olfactory perception. These diverse mechanisms provide valuable insights into potential strategies for influencing olfactory function and offer a foundation for further exploration of olfactory receptor modulation.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Xestospongin C

88903-69-9sc-201505
50 µg
$510.00
14
(1)

Inhibits Olfr491 by blocking IP3 receptor-mediated calcium release, disrupting downstream signaling essential for proper olfactory transduction and diminishing the perception of smell.

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)

Targets purinergic receptors, indirectly inhibiting Olfr491 by interfering with extracellular signaling events that modulate olfactory receptor activity, resulting in reduced odor perception.

U-0126

109511-58-2sc-222395
sc-222395A
1 mg
5 mg
$64.00
$246.00
136
(2)

Suppresses MEK in the MAPK pathway, indirectly inhibiting Olfr491 by disrupting downstream signaling, leading to altered neuronal responses and reduced perception of odorant stimuli.

PP 2

172889-27-9sc-202769
sc-202769A
1 mg
5 mg
$94.00
$227.00
30
(1)

Blocks Src family kinases, interfering with intracellular signaling cascades involved in olfactory transduction, and subsequently inhibiting Olfr491, leading to reduced perception of smell.

Wortmannin

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

Inhibits PI3-kinase, affecting intracellular signaling pathways associated with olfactory transduction. By indirectly suppressing Olfr491, it alters neuronal responses and reduces odor perception.

SB 203580

152121-47-6sc-3533
sc-3533A
1 mg
5 mg
$90.00
$349.00
284
(5)

Targets p38 MAPK, impacting the MAPK pathway and indirectly inhibiting Olfr491. This disruption alters downstream signaling, leading to reduced activation of the receptor and diminished smell perception.

BAPTA/AM

126150-97-8sc-202488
sc-202488A
25 mg
100 mg
$138.00
$458.00
61
(2)

Chelates intracellular calcium, disrupting downstream events in olfactory transduction. By indirectly inhibiting Olfr491, it alters neuronal responses, diminishing the perception of odorant stimuli.

PD 98059

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

Inhibits MEK in the MAPK pathway, indirectly suppressing Olfr491 by disrupting downstream signaling events crucial for proper olfactory transduction and diminishing the perception of smell.

SQ 22536

17318-31-9sc-201572
sc-201572A
5 mg
25 mg
$95.00
$363.00
13
(1)

Inhibits adenylate cyclase, disrupting cAMP signaling and GPCR-mediated transduction of olfactory signals. This impedes Olfr491 activation, diminishing the neuronal response and smell perception.

Gö 6983

133053-19-7sc-203432
sc-203432A
sc-203432B
1 mg
5 mg
10 mg
$105.00
$299.00
$474.00
15
(1)

Targets PKC, a component of the cAMP signaling pathway, indirectly inhibiting Olfr491 by disrupting GPCR-mediated transduction of olfactory signals, resulting in reduced activation of the receptor.