Date published: 2025-10-30

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TMPRSS11B Inhibitors

TMPRSS11B inhibitors encompass a range of compounds that specifically target the proteolytic activity of this serine protease. Gabexate Mesilate, Camostat Mesilate, and Nafamostat Mesilate are direct inhibitors that bind to the serine residue within TMPRSS11B's active site, effectively blocking its ability to cleave peptide bonds. Similarly, AEBSF and its structurally analogous compound, 4-(2-Aminoethyl)benzenesulfonyl fluoride hydrochloride, covalently modify this crucial serine residue, leading to irreversible inactivation. Leupeptin Hemisulfate and Aprotinin are reversible inhibitors that compete with substrates for access to TMPRSS11B's active site, while Benzamidine Hydrochloride also targets the active site but with different binding interactions, all contributing to the reduction of TMPRSS11B's enzymatic function.

Expanding the scope to indirect inhibitors, compounds like E-64 and Pepstatin A, which are classically known for targeting cysteine and aspartic proteases respectively, may exert an influence on TMPRSS11B through their effects on interconnected proteolytic pathways. Sivelestat, a neutrophil elastase inhibitor, and Marimastat, a metalloprotease inhibitor, impact the protease-antiprotease balance and extracellular matrix remodeling, processes that could potentially alter TMPRSS11B's activity indirectly. Collectively, these inhibitors demonstrate the multifaceted approaches to modulating TMPRSS11B's function, ranging from direct active site blockade to indirect pathway interference, highlighting the complexity of protease regulation.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Gabexate mesylate

56974-61-9sc-215066
5 mg
$100.00
(0)

A serine protease inhibitor that directly impedes TMPRSS11B activity by binding to the serine residue in the active site of TMPRSS11B, leading to the inhibition of its proteolytic function.

Camostat mesylate

59721-29-8sc-203867
sc-203867A
sc-203867B
sc-203867C
sc-203867D
sc-203867E
10 mg
50 mg
500 mg
1 g
10 g
100 g
$42.00
$179.00
$306.00
$612.00
$2040.00
$4386.00
5
(0)

A serine protease inhibitor that blocks TMPRSS11B by inhibiting its enzymatic activity, which is essential for TMPRSS11B-mediated proteolytic processing of proteins.

Nafamostat mesylate

82956-11-4sc-201307
sc-201307A
10 mg
50 mg
$80.00
$300.00
4
(1)

A serine protease inhibitor that prevents TMPRSS11B from activating other proteins through proteolysis, effectively reducing the proteolytic cascade TMPRSS11B is involved in.

AEBSF hydrochloride

30827-99-7sc-202041
sc-202041A
sc-202041B
sc-202041C
sc-202041D
sc-202041E
50 mg
100 mg
5 g
10 g
25 g
100 g
$50.00
$120.00
$420.00
$834.00
$1836.00
$4896.00
33
(1)

A serine protease inhibitor that covalently modifies the serine residue in the active site of TMPRSS11B, thereby inhibiting its protease activity.

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 reversible serine protease inhibitor that binds to the active site of TMPRSS11B, thereby preventing substrate access and inhibiting proteolytic activity.

Aprotinin

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

A competitive serine protease inhibitor that forms a reversible complex with TMPRSS11B, resulting in the inhibition of its protease activity.

Benzamidine

618-39-3sc-233933
10 g
$286.00
1
(0)

A reversible inhibitor that targets the active site of serine proteases such as TMPRSS11B, leading to the suppression of its enzymatic function.

E-64

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

An irreversible cysteine protease inhibitor that, although not directly targeting serine proteases, could theoretically affect TMPRSS11B activity indirectly through the modulation of proteolytic pathways in which TMPRSS11B may be indirectly involved.

Sivelestat

127373-66-4sc-203938
1 mg
$105.00
2
(1)

A neutrophil elastase inhibitor that may indirectly reduce TMPRSS11B activity by affecting protease-antiprotease balance, consequently impacting proteolytic processes TMPRSS11B is associated with.

Marimastat

154039-60-8sc-202223
sc-202223A
sc-202223B
sc-202223C
sc-202223E
5 mg
10 mg
25 mg
50 mg
400 mg
$165.00
$214.00
$396.00
$617.00
$4804.00
19
(1)

A broad-spectrum metalloprotease inhibitor that indirectly affects TMPRSS11B activity by altering the extracellular matrix remodeling, which may have downstream effects on TMPRSS11B's role in these processes.