Date published: 2026-4-24

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CWC22 Activators

CWC22, also known as pre-mRNA-splicing factor CWC22, is an essential component of the spliceosome complex that plays a critical role in pre-mRNA splicing. This process is fundamental to gene expression, as it involves the editing of pre-mRNA transcripts into mature RNA molecules, which are then translated into proteins. CWC22 specifically acts as an adaptor molecule, facilitating the interaction between the spliceosome and the nucleoporin complex, thereby ensuring the efficient export of mRNA from the nucleus to the cytoplasm. This function is pivotal in maintaining the flow of genetic information and the subsequent protein synthesis necessary for cellular functioning and development. The protein's ability to integrate into the complex spliceosome machinery highlights its importance in the precise regulation of gene expression, which is crucial for cellular differentiation and response to environmental signals.

The activation of CWC22 is intricately linked to its interaction with other components of the spliceosome. It is predominantly regulated through its association with the spliceosome assembly, where it binds to specific spliceosomal proteins. This interaction is crucial for the activation of CWC22's function in spliceosome dynamics. The protein's activity is modulated by its localization and the splicing cycle itself, which involves changes in the composition and conformation of the spliceosome complex at different stages of the splicing process. Additionally, the phosphorylation state of CWC22 and other spliceosomal proteins may also regulate its activity, as phosphorylation can influence protein-protein interactions within the spliceosome. This dynamic regulation ensures that CWC22 is active only when properly integrated into the spliceosome, coordinating its role in mRNA splicing with the cellular requirements for gene expression regulation. Through these mechanisms, CWC22 ensures the fidelity and efficiency of splicing, impacting gene expression profiles and ultimately influencing cellular function and phenotype.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

ATP

56-65-5sc-507511
5 g
$17.00
(0)

ATP is essential for the ATP-dependent steps in spliceosome assembly. By providing the energy for these steps, ATP can indirectly foster an environment that requires increased CWC22 activity.

Ademetionine

29908-03-0sc-278677
sc-278677A
100 mg
1 g
$184.00
$668.00
2
(1)

SAM is a methyl donor in RNA cap formation. Proper capping can increase the efficiency of splicing, potentially necessitating increased CWC22 activity.

5-Azacytidine

320-67-2sc-221003
500 mg
$280.00
4
(1)

This compound incorporates into RNA and promotes RNA processing, possibly increasing the need for CWC22 in RNA splicing and EJC assembly.

Caffeine

58-08-2sc-202514
sc-202514A
sc-202514B
sc-202514C
sc-202514D
50 g
100 g
250 g
1 kg
5 kg
$33.00
$67.00
$97.00
$192.00
$775.00
13
(1)

Known to inhibit phosphodiesterases, potentially increasing cAMP levels, which may indirectly enhance splicing mechanisms that depend on CWC22.

α-Iodoacetamide

144-48-9sc-203320
25 g
$255.00
1
(1)

Alkylates cysteine residues, which can lead to the activation of certain proteins in RNA processing pathways, potentially affecting CWC22 activity.

Magnesium chloride

7786-30-3sc-255260C
sc-255260B
sc-255260
sc-255260A
10 g
25 g
100 g
500 g
$28.00
$35.00
$48.00
$125.00
2
(1)

Magnesium ions are essential cofactors for many enzymes involved in splicing; by facilitating these enzymatic actions, MgCl2 can indirectly increase the need for CWC22 in splicing.

Potassium Chloride

7447-40-7sc-203207
sc-203207A
sc-203207B
sc-203207C
500 g
2 kg
5 kg
10 kg
$55.00
$155.00
$285.00
$455.00
5
(1)

Potassium ions can stabilize RNA structures, which may in turn facilitate efficient splicing and potentially increase the demand for CWC22 in EJC assembly.

Zinc

7440-66-6sc-213177
100 g
$48.00
(0)

Zinc ions are known to be crucial for the function of various RNA-binding proteins; they can indirectly activate pathways that necessitate the use of CWC22.

Sodium (meta)arsenite

7784-46-5sc-250986
sc-250986A
100 g
1 kg
$108.00
$780.00
3
(2)

Known to affect RNA splicing and export, potentially increasing the demand for CWC22 in processing events.

EGTA

67-42-5sc-3593
sc-3593A
sc-3593B
sc-3593C
sc-3593D
1 g
10 g
100 g
250 g
1 kg
$21.00
$65.00
$120.00
$251.00
$815.00
23
(1)

Calcium chelator that may influence splicing kinetics, potentially leading to a cellular context where CWC22 activity is needed.