2. Signaling Pathways
  3. Immunology/Inflammation
  4. FLAP

FLAP

5-lipoxygenase-activating protein; 5-LO activating protein

FLAP

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FLAP (Arachidonate 5-lipoxygenase-activating protein) is an integral membrane protein, which facilitates the transfer of the substrate arachidonic acid (AA) to 5-lipoxygenase (5-LO) to produce leukotrienes (LTs), and is shown to be indispensable for cellular LT biosynthesis. FLAP transfers arachidonic acid to 5-LOX protein, thereby enabling this enzyme to efficiently produce oxidized lipid products (mainly eicosanoids) that are important in cell growth, differentiation and death particularly apoptosis.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-156329
    sEH/FLAP-IN-1
    		Inhibitor
    sEH/FLAP-IN-1 (Compound 46A) is a sEH/FLAP inhibitor. sEH/FLAP-IN-1 inhibits 5-LOX product formation in SACM-stimulated PBMCs (EC50: 11 nM). sEH/FLAP-IN-1 inhibit sEH (EC50: 18 nM) and thromboxane production. sEH/FLAP-IN-1 can be used for research of inflammatory diseases.
    sEH/FLAP-IN-1
  • HY-118197
    L-669083
    		Inhibitor
    L-669083 is a leukotriene biosynthesis inhibitor whose structure is based on a mixture of indole and quinoline. In this study, a potent radioiodinated photoaffinity analog of L-689,037, [125I] L-691,678, was developed and characterized for immunoprecipitation studies showing that the quindole series of leukotriene biosynthesis inhibitors directly interact with FLAP. In addition, the results showed that MK-886, L-674,573, and L-689,037 competed with [125I] L-691,678 and [125I] L-669083 for binding to FLAP in a concentration-dependent manner, indicating that these three leukotriene biosynthesis inhibitors share a binding site on FLAP, further demonstrating that FLAP is a suitable target for structurally diverse leukotriene biosynthesis inhibitors.
    L-669083
  • HY-155204
    LTB4-IN-2
    LTB4-IN-2 (Comopund 6x) is a Leukotriene B4 (LTB4) inhibitor. LTB4-IN-2 inhibits Leukotriene B4 formation (IC50: 1.15 μM) by selectively targeting 5-Lipoxygenase-activating protein (FLAP). LTB4-IN-2 can be used for anti-inflammatory research.
    LTB4-IN-2
  • HY-14165A
    (S)-Veliflapon
    		Inhibitor 99.44%
    (S)-Veliflapon ((S)-BAY X 1005) is an orally active inhibitor of leukotriene biosynthesis and 5-lipoxygenase activating protein (FLAP). (S)-Veliflapon inhibits the formation of leukotriene B4 (LTB4) in rat, mouse and human leukocytes with IC50 values of 0.026 µM, 0.039 µM and 0.22 µM respectively. (S)-Veliflapon showes enantioselectivity in human whole blood.
    (S)-Veliflapon
  • HY-14162
    AM103 free acid
    		Inhibitor
    AM103 (free acid) is a selective FLAP inhibitor that can block the first step of the LT pathway, which is 5-LO activation. AM103 (free acid) can inhibit the production of LTB4 and cysteinyl leukotrienes (CysLT). AM103 (free acid) has anti-inflammatory activity in a mouse model of chronic lung inflammation and can extend the survival time of mice injected with platelet-activating factor. AM103 (free acid) can be used for research on respiratory diseases such as asthma.
    AM103 free acid
  • HY-155407
    ALR-6
    		Antagonist
    ALR-6 is an antagonist of the 5-lipoxygenase (5-LOX) activating protein FLAP and has anti-inflammatory activity. ALR-6 potently inhibits 5-LOX product formation (>80%) in pro-inflammatory M1-MDM and has no significant effect on direct inhibition of 5-LOX.
    ALR-6
  • HY-156194
    FLAP-IN-1
    		Inhibitor
    FLAP-IN-1 (Intermediate 14) is a 5-lipoxygenase-activating protein (FLAP) inhibitor with an IC50 value of 654 nM. FLAP-IN-1 can be used in cardiovascular disease research.
    FLAP-IN-1
  • HY-155408
    ALR-27
    		Antagonist
    ALR-27 is an antagonist of the 5-lipoxygenase (5-LOX) activating protein FLAP and has anti-inflammatory activity. ALR-27 potently inhibits 5-LOX product formation (>80%) in pro-inflammatory M1-MDM, with no significant direct inhibition of 5-LOX. ALR-27 not only reduces prostaglandin and leukotriene (LT) production in neutrophils but also increases the production of specialized prolytic mediators in specific human macrophage phenotypes.
    ALR-27
Cat. No. Product Name / Synonyms Application Reactivity