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Streptavidin (Streptomyces avidinii)

Product Code:
PZSA10
Our Price:
£107.00 GBP
Quantity:

Molecular weight of 55000Da composed of 4 identical polypeptide chains. Specific activity is over 14.0 U/mg protein.  Predominantly a single band by SDS PAGE.  Supplied lyophilised with ~0.9mg protein/mg lyophilisate.

Click here Product Data Sheet

Tech Info:  Streptavidin is a biotin binding protein with a molecular weight of approx. 55,000 daltons, composes of four identical polypeptide chains. Specific activity is >14.0 U/mg protein..Streptavidin lacks cabohydrate side chains present on avidin and has an isoelectric point nearer to neutrality where most usefulbiological interactions occur. As a result streptavidin frequently exhibits lower levels of non specific binding than does avidin when the proteins are used in applications relying upon the formation of avidib/ biotin complexes (Chaiet and Wolf 1964)