RecombinantStreptavidin
Streptavidin is a biotin-binding protein found in the culture broth of the bacterium Streptomyces avidinii. Streptavidin can bind to four moles of biotin per mole of protein, and it shows extremely high affinity, approximately 10,000-15,000 Da. Streptavidin lacks the carbohydrate side chains present on avidin and has an isoelectric point of 6.5 to avidin's 10 far closer to that at which most useful biological interactions occur. As a result, Streptavidin frequently exhibits much lower non-specific binding than avidin does.
Product Specifications
CAS Number
9000-83-3
Purity
Bioactivity
>15 U/mg protein, 1 U is defined as the quantity of protein that binds 1 microgramme
Molecular Weight
13,500 Da
Storage Conditions
The powder may be stored at 4°C for several weeks. For long-term storage, store at -20°C.
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Host or Source
Escherichia coli.
Recommended Usage
This material is offered by USA Bioworld biotech for research, laboratory or further evaluation purposes. For research use only.
AA Sequence
0
Frequently Asked Questions
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