Date published: 2026-2-14

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GPB5 Inhibitors

GPB5 inhibitors encompass a class of chemical agents specifically designed to interact with and inhibit the activity of the glycoprotein B5 (GPB5) enzyme, which is involved in a variety of biological processes. GPB5 is part of the glycoprotein hormone family, a group of proteins that play a pivotal role in the regulation of many physiological functions through their interaction with specific receptors on the surface of target cells. The inhibition of GPB5 by these compounds affects the normal functioning of the enzyme by preventing it from carrying out its biological role. The specific mechanisms through which GPB5 influences cellular processes are complex and involve a cascade of intracellular signaling events. By modulating the activity of GPB5, these inhibitors are able to alter the consequent signaling pathways in which the enzyme is involved.

The chemical structures of GPB5 inhibitors are diverse, reflecting the complexity of the enzyme's active sites and the sophisticated nature of the enzyme-inhibitor interactions. These inhibitors are designed to bind selectively to GPB5, often requiring precise molecular features that enable them to fit snugly into the enzyme's active site or to interact with key amino acid residues involved in the enzyme's function. This high level of specificity is achieved through careful molecular engineering, informed by detailed knowledge of the enzyme's three-dimensional structure and the chemical properties of its active site. Advanced computational methods, such as molecular docking and dynamic simulations, alongside experimental techniques like high-throughput screening, are typically employed in the discovery and optimization of these inhibitors.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Pertussis Toxin (islet-activating protein)

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

An exotoxin that ADP-ribosylates Gi proteins, preventing their activation. While it doesn't target GPB5 directly, its inhibitory effect on Gi can indirectly modulate GPB5-associated pathways.

YM 254890

568580-02-9sc-507356
1 mg
$510.00
(0)

This compound specifically inhibits Gq signaling by preventing the exchange of GDP for GTP. By halting Gq activity, it can potentially affect any pathway GPB5 is involved in if it associates with Gq.

NF 023

104869-31-0sc-204124
sc-204124A
10 mg
50 mg
$161.00
$629.00
1
(1)

A selective Gαs inhibitor. If GPB5 plays a role in Gs-coupled receptor signaling, NF023 can indirectly modulate GPB5 by inhibiting the Gs alpha subunit.

ML 141

71203-35-5sc-362768
sc-362768A
5 mg
25 mg
$137.00
$512.00
7
(1)

A selective inhibitor of Cdc42 GTPase, influencing the downstream signaling of certain GPCRs. If GPB5 interacts with pathways downstream of Cdc42, its function can be indirectly modulated.

SecinH3

853625-60-2sc-203260
5 mg
$278.00
6
(1)

An inhibitor of cytohesin GEFs, which activate ARF GTPases affecting GPCR internalization and recycling. If GPB5 is involved in pathways related to these processes, it can be indirectly impacted.

FR 900359

107530-18-7sc-507357
500 µg
$226.00
(0)

It interferes with Gq/11 alpha activation, potentially altering downstream signaling events. If GPB5 is involved in Gq/11-coupled pathways, it can be indirectly modulated.

Tozasertib

639089-54-6sc-358750
sc-358750A
25 mg
50 mg
$62.00
$87.00
4
(1)

A kinase inhibitor affecting several kinases downstream of GPCRs. The inhibition of these kinases can indirectly modulate GPCR pathways GPB5 might be involved in.

SB-216763

280744-09-4sc-200646
sc-200646A
1 mg
5 mg
$71.00
$202.00
18
(1)

An inhibitor of GSK-3, which is a downstream component in some GPCR pathways. The modulation of GSK-3 activity can potentially affect any related GPCR pathway in which GPB5 is involved.

W-7

61714-27-0sc-201501
sc-201501A
sc-201501B
50 mg
100 mg
1 g
$166.00
$306.00
$1675.00
18
(1)

A calmodulin antagonist. By inhibiting calmodulin, it influences various signaling pathways, including some GPCRs. If GPB5 associates with pathways influenced by calmodulin, its function can be indirectly modulated.