Date published: 2026-4-24

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Meprin A Inhibitors

Chemical inhibitors of Meprin A function by targeting its active site, which typically houses a zinc ion crucial for its proteolytic activity. Actinonin is a peptidomimetic that competes with natural substrates to bind to Meprin A's active site, thereby obstructing the enzymatic process. Similarly, 1,10-Phenanthroline acts as an inhibitor by chelating the metal ions within the active site, effectively blocking the catalytic activity that is dependent on these ions. Batimastat and Marimastat, both synthetic inhibitors of matrix metalloproteases, also inhibit Meprin A by binding to the zinc ion at its active site, thus preventing the enzyme from engaging with its substrates. Ilomastat, following the same mechanism, occupies the active site and inhibits zinc-dependent catalysis. Furthermore, Phenanthroline-5,6-dione, a derivative of 1,10-phenanthroline, inhibits Meprin A by chelating the metal ion in the active site, which is essential for the enzyme's function. Phosphoramidon blocks the hydrolytic activity by interacting with the active site and obstructing the action of the zinc-bound water molecule necessary for cleaving peptide bonds. TAPI-0, TAPI-1, and TAPI-2 are broad-spectrum metalloprotease inhibitors that prevent substrate entry and proteolytic activity by binding to the active site of Meprin A. Doxycycline and Minocycline, though primarily antibiotics, inhibit the enzyme by binding to the metal ion in the active site, thereby inhibiting the proteolytic cleavage that Meprin A would typically perform on its peptide substrates. These inhibitors collectively function by directly targeting the active site of Meprin A, either by competing with substrates, chelating necessary metal ions, or blocking substrate access and catalysis.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Actinonin

13434-13-4sc-201289
sc-201289B
5 mg
10 mg
$170.00
$385.00
3
(1)

Actinonin is a peptidomimetic compound that inhibits aminopeptidases. Meprin A, a zinc metalloprotease, has similar active sites to those of aminopeptidases. Actinonin can inhibit Meprin A by binding to its active site, thus blocking substrate access and subsequent proteolysis.

1,10-Phenanthroline

66-71-7sc-255888
sc-255888A
2.5 g
5 g
$23.00
$32.00
(0)

1,10-Phenanthroline chelates metal ions and can inhibit metalloproteases like Meprin A by binding the essential zinc ions at the active site of the enzyme, thereby inhibiting its proteolytic activity.

Batimastat

130370-60-4sc-203833
sc-203833A
1 mg
10 mg
$179.00
$377.00
24
(1)

Batimastat is a broad-spectrum matrix metalloprotease inhibitor. Given the structural similarity of the active sites, it can inhibit Meprin A by binding to the zinc ion at its active site, preventing the substrate from accessing the catalytic domain of the enzyme.

Marimastat

154039-60-8sc-202223
sc-202223A
sc-202223B
sc-202223C
sc-202223E
5 mg
10 mg
25 mg
50 mg
400 mg
$168.00
$218.00
$404.00
$629.00
$4900.00
19
(1)

Marimastat, like Batimastat, is a synthetic inhibitor of matrix metalloproteases and can similarly inhibit Meprin A by chelating the zinc ion at its active site, rendering the enzyme inactive.

GM 6001

142880-36-2sc-203979
sc-203979A
1 mg
5 mg
$77.00
$270.00
55
(1)

Ilomastat is a matrix metalloprotease inhibitor that can inhibit the proteolytic function of Meprin A by occupying the active site and preventing zinc-dependent catalysis.

Phosphoramidon

119942-99-3sc-201283
sc-201283A
5 mg
25 mg
$199.00
$632.00
8
(1)

Phosphoramidon is a metalloprotease inhibitor that can inhibit Meprin A by interacting with the active site and blocking the hydrolytic activity of the zinc-bound water molecule, essential for peptide bond cleavage.

TAPI-1

171235-71-5sc-222337
1 mg
$669.00
15
(1)

TAPI-1, similar in action to TAPI-0, can inhibit Meprin A by interfering with its active site and inhibiting protease function by preventing substrate binding and hydrolysis.

TAPI-2

187034-31-7sc-205851
sc-205851A
1 mg
5 mg
$286.00
$1019.00
15
(1)

TAPI-2, another analog in the TAPI series, can inhibit Meprin A by binding to the enzyme's active site, thus obstructing the proteolytic activity of the enzyme on its substrates.

Doxycycline-d6

564-25-0 unlabeledsc-218274
1 mg
$16500.00
(0)

Doxycycline, though primarily an antibiotic, is known to inhibit metalloproteases. It can inhibit Meprin A by binding to the metal ion in the active site, preventing the proteolytic cleavage of substrates by the enzyme.