Butyrolactone 3 (MB-3) is a specific small-molecule inhibitor of the histone acetyltransferase Gcn5, exhibiting an IC₅₀ of 100 μM and binding affinity comparable to that of its natural substrate, histone H3. It displays weak inhibitory activity against CBP (IC₅₀ = 0.5 mM), indicating high selectivity for Gcn5. By modulating histone acetylation and epigenetic regulation, Butyrolactone 3 serves as a valuable research tool for exploring the roles of Gcn5 in cancer, metabolic disorders, autoimmune diseases, and neurological conditions.
Butyrolactone 3 (MB-3) is a specific small-molecule inhibitor of the histone acetyltransferase Gcn5, exhibiting an IC₅₀ of 100 μM and binding affinity comparable to that of its natural substrate, histone H3. It displays weak inhibitory activity against CBP (IC₅₀ = 0.5 mM), indicating high selectivity for Gcn5. By modulating histone acetylation and epigenetic regulation, Butyrolactone 3 serves as a valuable research tool for exploring the roles of Gcn5 in cancer, metabolic disorders, autoimmune diseases, and neurological conditions.
Product Information
Catalog Num
A24576
Formula
C9H12O4
Molecular Weight
184.19
CAS Number
778649-18-6
SMILES
O=C([C@@H](C1=C)[C@@H](CCC)OC1=O)O
Storage
Store lyophilized at -20ºC, keep desiccated. In lyophilized form, the chemical is stable for 36 months. In solution, store at -20ºC and use within 1 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.
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