Date published: 2025-12-18

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CSTL1 Inhibitors

CSTL1 inhibitors are chemical compounds that specifically target the Cystatin-like 1 (CSTL1) protein, a member of the cystatin superfamily. Proteins in this family are known for their role in inhibiting cysteine proteases, which are enzymes that degrade proteins by cleaving peptide bonds. CSTL1 is thought to function in a similar way by modulating the activity of proteases, although its specific biological roles remain less characterized compared to other cystatins. CSTL1 may play a role in regulating proteolytic activity in certain tissues or under specific physiological conditions, possibly contributing to processes like protein turnover and cellular regulation. CSTL1 inhibitors are designed to bind to the CSTL1 protein, interfering with its natural role in protease inhibition, thereby altering protease activity within certain biological pathways.

CSTL1 inhibitors exhibit diversity in their molecular structures but share features that allow them to bind effectively to the active or allosteric sites of CSTL1. These compounds are tailored to achieve high specificity and affinity for the CSTL1 protein, ensuring that they block its interaction with cysteine proteases. Through this targeted inhibition, CSTL1 inhibitors can be used as biochemical tools to better understand the functional dynamics of CSTL1 in protease regulation. They are valuable in laboratory settings for dissecting the molecular pathways that CSTL1 is involved in, and for investigating its role in processes such as protease-mediated protein degradation, cellular maintenance, and homeostasis. By studying the effects of CSTL1 inhibition, researchers can gain deeper insights into the mechanistic functions of the cystatin family and its impact on proteolytic control.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

E-64

66701-25-5sc-201276
sc-201276A
sc-201276B
5 mg
25 mg
250 mg
$275.00
$928.00
$1543.00
14
(0)

This irreversible cysteine protease inhibitor enhances CSTL1 by preventing the degradation of intracellular proteins.

Leupeptin hemisulfate

103476-89-7sc-295358
sc-295358A
sc-295358D
sc-295358E
sc-295358B
sc-295358C
5 mg
25 mg
50 mg
100 mg
500 mg
10 mg
$72.00
$145.00
$265.00
$489.00
$1399.00
$99.00
19
(3)

A protease inhibitor that potentially increases CSTL1 activity by stabilizing the proteins it interacts with.

Cyclopiazonic Acid

18172-33-3sc-201510
sc-201510A
10 mg
50 mg
$173.00
$612.00
3
(1)

A metalloprotease inhibitor that could indirectly enhance CSTL1's stability by limiting protease activity.

MG-132 [Z-Leu- Leu-Leu-CHO]

133407-82-6sc-201270
sc-201270A
sc-201270B
5 mg
25 mg
100 mg
$56.00
$260.00
$980.00
163
(3)

This proteasome inhibitor can enhance CSTL1 by reducing the degradation of regulatory proteins.

Lactacystin

133343-34-7sc-3575
sc-3575A
200 µg
1 mg
$165.00
$575.00
60
(2)

By inhibiting the proteasome, lactacystin can increase CSTL1 activity by preserving its substrates.

Aprotinin

9087-70-1sc-3595
sc-3595A
sc-3595B
10 mg
100 mg
1 g
$110.00
$400.00
$1615.00
51
(2)

As a serine protease inhibitor, aprotinin may enhance CSTL1 activity by reducing protease-mediated breakdown.

Cystamine dihydrochloride

56-17-7sc-217990
sc-217990A
25 g
100 g
$38.00
$103.00
(1)

It could stabilize CSTL1 by forming disulfide bonds, enhancing the structural integrity of CSTL1.

β-Estradiol

50-28-2sc-204431
sc-204431A
500 mg
5 g
$62.00
$178.00
8
(1)

Hormone that can enhance CSTL1 activity through transcriptional regulation pathways that affect protease inhibitors.

Indole-3-carbinol

700-06-1sc-202662
sc-202662A
sc-202662B
sc-202662C
sc-202662D
1 g
5 g
100 g
250 g
1 kg
$38.00
$60.00
$143.00
$306.00
$1012.00
5
(1)

Compound in cruciferous vegetables that may enhance CSTL1 by modulating gene expression related to protein regulation.