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Sigma-Aldrich

Splitomicin

A cell-permeable lactone derived from β-naphthol that acts as a selective inhibitor of NAD+-dependent histone deacetylase activity of Sir2 protein (IC₅₀ = 60 µM).

Synonym(s):

Splitomicin, 1,2-Dihydro-3H-naphtho[2,1-b]pyran-3-one

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About This Item

Empirical Formula (Hill Notation):
C13H10O2
CAS Number:
Molecular Weight:
198.22
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.77

Quality Level

Assay

≥95% (HPLC)

form

powder

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze
protect from light

color

off-white

solubility

DMSO: 100 mg/mL

shipped in

ambient

storage temp.

2-8°C

InChI

1S/C13H10O2/c14-13-8-6-11-10-4-2-1-3-9(10)5-7-12(11)15-13/h1-5,7H,6,8H2

InChI key

ISFPDBUKMJDAJH-UHFFFAOYSA-N

General description

A cell-permeable and selective inhibitor of NAD+-dependent deacetylase activity of Sir2 protein (IC50 = 60 µM). Creates a phenocopy of the sir2 deletion mutant in S. cerevisiae and sensitizes mammalian cells to a variety of DNA-damaging agents by abrogating Sir2p activity on p53. Reported to act by either altering or blocking access to the acetylated histone-binding pocket.
A cell-permeable lactone derived from β-naphthol that acts as a selective inhibitor of NAD+-dependent histone deacetylase activity of Sir2 protein (IC50 = 60 µM). It creates a conditional phenocopy of a sir2 deletion mutant in S. cerevisiae and sensitizes mammalian cells to a variety of DNA-damaging agents by abrogating Sir2p activity on p53. Acts by either altering or blocking access to the acetylated histone binding pocket.

Biochem/physiol Actions

Cell permeable: yes
Primary Target
NAD+-dependent histone deacetylase activity of Sir2 protein
Product does not compete with ATP.
Reversible: no
Target IC50: 60 µM against NAD+-dependent histone deacetylase activity of Sir2 protein

Packaging

Packaged under inert gas

Warning

Toxicity: Standard Handling (A)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 6 months at -20°C.

Other Notes

Bedalov, A., et al. 2001. Proc. Natl. Acad. Sci. USA98, 15113.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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