Date published: 2026-3-3

1-800-457-3801

SCBT Portrait Logo
Seach Input

FK-506 Inhibitors

FK-506 inhibitors belong to a class of chemical compounds designed to target and modulate the activity of FK-506-binding proteins (FKBPs). FK-506, also known as tacrolimus, is a naturally occurring macrolide produced by the bacterium Streptomyces tsukubaensis. FKBPs are a group of cellular proteins that interact with FK-506, forming a complex that exerts various biological effects, particularly on the immune system. Inhibitors of FK-506 are developed to interact with FKBPs, disrupting the formation of the FK-506-FKBP complex and interfering with the downstream signaling pathways that regulate immune responses and other cellular processes.

FK-506 inhibitors are typically small molecules or compounds designed to bind to FKBPs. By doing so, these inhibitors may alter the immunosuppressive and other cellular effects associated with FK-506. Research into FK-506 inhibitors can provide valuable insights into the molecular mechanisms underlying immunosuppression and immune modulation, offering a deeper understanding of the role of FKBPs in cellular signaling pathways.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Ketoconazole

65277-42-1sc-200496
sc-200496A
50 mg
500 mg
$63.00
$265.00
21
(1)

A known inhibitor of CYP3A4; could increase plasma levels of Tacrolimus by reducing its metabolism.

Erythromycin

114-07-8sc-204742
sc-204742A
sc-204742B
sc-204742C
5 g
25 g
100 g
1 kg
$57.00
$245.00
$831.00
$1331.00
4
(3)

This compound is a moderate inhibitor of CYP3A4 and may enhance Tacrolimus concentrations by decreasing its clearance.

Diltiazem

42399-41-7sc-204726
sc-204726A
1 g
5 g
$209.00
$464.00
4
(1)

Diltiazem can inhibit CYP3A4 and potentially increase systemic exposure to Tacrolimus.

Verapamil

52-53-9sc-507373
1 g
$374.00
(0)

As a CYP3A4 inhibitor, it can raise Tacrolimus blood levels by reducing its metabolic breakdown.

Fluconazole

86386-73-4sc-205698
sc-205698A
500 mg
1 g
$54.00
$84.00
14
(1)

It moderately inhibits CYP3A4 and can affect Tacrolimus metabolism when co-administered.

Clotrimazole

23593-75-1sc-3583
sc-3583A
100 mg
1 g
$42.00
$57.00
6
(2)

By inhibiting CYP3A4, it could increase the bioavailability of Tacrolimus, reducing its metabolic degradation.

Cimetidine

51481-61-9sc-202996
sc-202996A
5 g
10 g
$62.00
$86.00
1
(1)

Known to inhibit several CYP enzymes, it may interact with Tacrolimus metabolism, leading to increased levels.

Amiodarone

1951-25-3sc-480089
5 g
$318.00
(1)

It has been shown to inhibit CYP3A4 activity and could increase Tacrolimus blood concentrations.

Nicardipine hydrochloride

54527-84-3sc-202731
sc-202731A
1 g
5 g
$33.00
$83.00
5
(2)

Can inhibit CYP3A4-mediated metabolism, potentially increasing Tacrolimus levels.

Deoxyschizandrin

61281-38-7sc-278925
10 mg
$80.00
(1)

A component of Schisandra chinensis fruit that can inhibit CYP3A4 and might affect Tacrolimus metabolism.