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Recombinant Streptomyces avidinii Streptavidin Protein (SE0001SL)

Recombinant Streptomyces Avidinii Streptavidin (P22629) with no tag was expressed in E.coli.
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Size:100mg
Price:$600.00
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PRODUCT INFORMATION
Cat.No.
SE0001SL
Synonyms
Streptavidin
Species
Streptomyces avidinii
Accession
Source
E. coli
Form
Lyophilized from 10 mM potassium phosphate buffer, pH 6.5.
Bio-activity
Specific Activity> 17 U/mg (one unit binds 1 µg D-biotin at pH 8.9).
Molecular Mass
Recombinant Streptomyces avidinii Streptavidin Protein has a molecular mass of ~52kDa per tetramer.
AA Sequence
MAEAGITGTW YNQLGSTFIV TAGADGALTG TYESAVGNAE SRYVLTGRYD SAPATDGSGT ALGWTVAWKN NYRNAHSATT WSGQYVGGAE ARINTQWLLT SGTTEANAWK STLVGHDTFT KVKPSAAS
Endotoxin
< 0.1 EU per 1 microgram of protein (determined by LAL method)
Purity
> 98% by SDS - PAGE

Usage Guide
Storage
In lyophilized state for 1 year (4°C); After reconstitution under sterile conditions for 3 months (-70°C). Avoid repeated freeze/thaw cycles.
Reconstitution
Dissolve with double distilled water.
Warning
For research use only!

BACKGROUND
Background
The biological function of streptavidin is not known. Forms a strong non-covalent specific complex with biotin (one molecule of biotin per subunit of streptavidin).

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