Date published: 2026-4-1

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FAM9B Inhibitors

Chemical inhibitors of FAM9B function by modulating the activity of various protein kinases and signaling pathways that are essential for its phosphorylation and activation. Staurosporine is a potent kinase inhibitor that disrupts the phosphorylation process required for FAM9B's activity. Similarly, Bisindolylmaleimide I specifically targets protein kinase C (PKC), which is involved in the phosphorylation of numerous proteins, including FAM9B. By inhibiting PKC, Bisindolylmaleimide I prevents the phosphorylation that is critical for FAM9B's function. LY294002 and Wortmannin, both PI3K inhibitors, impede the PI3K/AKT pathway, which plays a crucial role in thmatche activation of FAM9B. The disruption of this pathway by these inhibitors results in the reduction of FAM9B activity. Continuing with the theme of pathway inhibition, PD98059 and U0126 both serve as inhibitors of MEK, which is part of the MAPK/ERK pathway. The blockade of this pathway by these chemicals leads to a decrease in ERK activation, which is necessary for FAM9B function. SP600125 and SB203580 are selective inhibitors of the JNK and p38 MAP kinase, respectively. Both of these pathways are implicated in the phosphorylation and subsequent activation of various proteins, and their inhibition can impede FAM9B's activation. Rapamycin, by inhibiting the mTOR pathway, can suppress the activity of proteins regulated by mTOR, including FAM9B. Finally, PP2, Dasatinib, and Imatinib are tyrosine kinase inhibitors. PP2 selectively inhibits Src family tyrosine kinases, while Dasatinib and Imatinib are broad-spectrum inhibitors, targeting multiple kinases including those that may be involved in FAM9B phosphorylation and activation. By halting the activity of these kinases, these inhibitors can prevent the necessary phosphorylation events for FAM9B function.

Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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 potent inhibitor of protein kinases. The kinase activity influenced by staurosporine can lead to the inhibition of FAM9B by preventing its phosphorylation, which is required for its function.

Bisindolylmaleimide I (GF 109203X)

133052-90-1sc-24003A
sc-24003
1 mg
5 mg
$105.00
$242.00
36
(1)

Bisindolylmaleimide I is a specific inhibitor of protein kinase C (PKC). PKC is known to phosphorylate a variety of proteins, and its inhibition can result in the reduced phosphorylation and subsequent inhibition of FAM9B function.

LY 294002

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

LY294002 is a phosphoinositide 3-kinase (PI3K) inhibitor. By inhibiting PI3K, it prevents the activation of downstream signaling pathways that are necessary for FAM9B activation, thereby inhibiting FAM9B function.

PD 98059

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

PD98059 is an inhibitor of MAP kinase kinase (MEK), which is involved in the MAPK/ERK pathway. Inhibition of MEK prevents the activation of downstream ERK, which could be necessary for FAM9B function, thereby inhibiting its activity.

U-0126

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

U0126 is another MEK inhibitor with a similar mechanism of action to PD98059, preventing the activation of ERK and potentially leading to the inhibition of FAM9B function as a result.

SP600125

129-56-6sc-200635
sc-200635A
10 mg
50 mg
$40.00
$150.00
257
(3)

SP600125 is a selective inhibitor of c-Jun N-terminal kinase (JNK). Inhibition of JNK can lead to the inhibition of FAM9B by preventing the phosphorylation and activation that JNK signaling contributes to.

SB 203580

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

SB203580 is a selective inhibitor of p38 MAP kinase. By preventing p38 MAP kinase activity, it can inhibit the phosphorylation and activation of downstream targets, potentially including FAM9B.

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 PI3K. Similar to LY294002, by inhibiting PI3K, it disrupts the PI3K/AKT pathway, which could be crucial for FAM9B activation, thus leading to its inhibition.

Rapamycin

53123-88-9sc-3504
sc-3504A
sc-3504B
1 mg
5 mg
25 mg
$63.00
$158.00
$326.00
233
(4)

Rapamycin inhibits the mTOR pathway, which is downstream of PI3K/AKT signaling. Inhibition of mTOR can result in the decreased activity of proteins that are regulated by this pathway, including FAM9B.

PP 2

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

PP2 is a selective inhibitor of Src family tyrosine kinases. By inhibiting Src kinases, it can prevent the phosphorylation and activation of FAM9B if Src kinase activity is necessary for FAM9B function.