Streptavidin
- Catalog Number : P0003
- Number :
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General Information
| Description | Streptavidin is a tetrameric protein composed of identic subunits. Each subunit binds one biotin molecule with a KD of ~1×10-15M. The preparation contains an N- and C-terminal shortened variant (core streptavidin) with improved properties concerning homogeneity, solubility, resistance towards proteolytic degradation and accessibility of the biotin binding pocket as compared to native streptavidin. |
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| Product Type | Recombinant Protein |
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| Source | E. coli |
| Purity | >98% by SDS-PAGE and HPLC analyses |
| Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. |
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| Storage Buffer | Lyophilized in 10mM potassium phosphate buffer pH6.5. |
| Sequence | MAEAGITGTW YNQLGSTFIV TAGADGALTG TYESAVGNAE SRYVLTGRYD SAPATDGSGT ALGWTVAWKN NYRNAHSATT WSGQYVGGAE ARINTQWLLT SGTTEANAWK STLVGHDTFT KVKPSAAS |
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| Endotoxin | Less than 0.1EU/μg determined by LAL method. |
| Storage |
-20 °C or -80 °C |
| Alias | N/A |
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