Protein

ATTO488-Actin

Origin

Skeletal muscle alpha actin, rabbit

Molecular mass

42kDa

Protein description

Actin from rabbit skeletal muscle is a single chain polypeptide with a molecular weight of 42kD consisting of 375 amino acids. ATTO488-Actin is chemically modified G-actin with an ATTO488 fluorescent group covalently bound to lysine residues.  ATTO488-Actin (λex 501nm, λem 523nm) possesses the polymerization properties of native G-actin. 

Conjugation ratio

This product is supplied with a degree of labelling (DOL) between 0.5 and 0.8. The precise DOL is stated in the DataSheet supplied with the product.

Form

Lyophilized, ready-to-use.

Quantity per unit

5x100 µg

Buffer

2mM Tris-Cl pH 8.2, 0.4mM ATP, 0.5mM DTT, 0.1mM CaCl2, 1mM NaN3 and 0.3% disaccharides, when reconstituted with 100 µl ultrapure water to obtain a 1mg/ml solution.

Purity

>99% by scanning densitometry.

Purification notes

Purified by GPC from rabbit skeletal muscle.

Protein concentration

Determined by the Biuret method.

Storage instructions

ATTO-Actins are stored at –70°C upon arrival and will be stable in performance for at least 6 months from the date of purchase. Solubilized ATTO-Actin is kept on ice and should be used within 1 week. Avoid refreezing.  

Shipping conditions 

At ambient temperature. Upon delivery store at -70°C.

Remarks

For Use in Research only. Not for Use in Human or Veterinary Diagnostical or Therapeutical Applications.

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