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208735

Sigma-Aldrich

Calmodulin Inhibitory Peptide

The Calmodulin Inhibitory Peptide controls the biological activity of Calmodulin. This small molecule/inhibitor is primarily used for Cell Signaling applications.

Synonym(s):

Calmodulin Inhibitory Peptide, MLCK Peptide, MLCKP

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About This Item

Empirical Formula (Hill Notation):
C91H156N36O20
Molecular Weight:
2074.44
UNSPSC Code:
12352202
NACRES:
NA.77

Quality Level

Assay

≥95% (HPLC)

form

lyophilized

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze
desiccated (hygroscopic)

solubility

water: 50 mg/mL

shipped in

ambient

storage temp.

−20°C

General description

A 17-residue peptide based on the calmodulin-binding domain of myosin light chain kinase (MLCK). Binds to calmodulin with high affinity (Kd = 6 pM).
A 17-residue peptide based on the calmodulin-binding domain of myosin light chain kinase (MLCK). Binds to calmodulin with high affinity (Kd = 6 pM). Inhibits calmodulin activation of MLCK-catalyzed phosphorylation of smooth muscle regulatory light chain(MLC).

Biochem/physiol Actions

Cell permeable: no
Kd = 6 pM in binding to calmodulin
Primary Target
Calmodulin
Product does not compete with ATP.
Reversible: no

Warning

Toxicity: Standard Handling (A)

Sequence

Ac-Arg-Arg-Lys-Trp-Gln-Lys-Thr-Gly-His-Ala-Val-Arg-Ala-Ile-Gly-Arg-Leu-NH₂

Physical form

Supplied as a trifluoroacetate salt.

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Other Notes

Torok,K., et al. 1998. Biochemistry 37, 6188.
Török, K., and Trentham, D.R. 1994. Biochemistry33, 12807.

Legal Information

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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