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Streptavidin Protein

$ 89.00$ 3,500.00
Please Select Product Options Below To View The Catalog Number.

SKU: QP13625
Species: other
Applications: See Application Notes
Available Tags: Untagged, His
Available Hosts: Native Protein, E. Coli
Length (Amino Acids):

Product NumberDescriptionPrice
QP13625-5mg Size: 5 mg, Tag: Untagged (Native Protein) $ 89.00
QP13625-HIS-5ug Size: 5 ug, Tag: His $ 89.00
QP13625-20mg Size: 20 mg, Tag: Untagged (Native Protein) $ 130.00
QP13625-HIS-20ug Size: 20 ug, Tag: His $ 130.00
QP13625-1gr Size: 1gr, Tag: Untagged (Native Protein) $ 3,500.00
QP13625-HIS-1mg Size: 1 mg, Tag: His $ 2,700.00
Shipping Information
In Stock
Flat Rate Shipping Anywhere in the US: $45
Datasheets and Documentation
Product Datasheet
Certificate of Analysis and Tags (Coming Soon)
Lot Number:

Expiration Date:

Concentration (Write Lyophilized if Lyophilized):

Reconsitution Instructions (Leave Blank if Liquid):

Manufacture Date:

Purity:

Bioactivity (test results eg. IU/ml):


SKU: QP13625-2mg
Recombinant other Streptavidin General Information
Molecular Weight
55 kDa
Curated Database and Bioinformatic Data
UniProt ID(s)P22629
COSMIC ID Link(s)-
General Description of Recombinant other Streptavidin.
Streptavidin is a protein produced by Streptomyces avidinii and isolated by purification from fermentation broth. The pure, homogeneous protein shows predominantly one single band in SDS PAGE. Streptavidin consists of 4 identical subunits, each bearing an active binding site for biotin. Streptavidin has a molecular weight of 55kDa.

Streptavidin Protein Product Attributes

Product Type: Native or Recombinant Protein
Streptavidin based upon sequence from other
Host: QP13625 protein expressed in Native Protein, E. Coli.
Available Tags: Untagged (native), His (E. coli)
Protein Construction: A cDNA sequence encoding the sequence of Streptavidin was constructed and used to recombinantly synthesize the protein.
Recommended Applications: See Application Notes
Application Notes
Recommended Reconstitution Instructions: Reconstitute in ultra-pure water. Gives a clear solution at 5 mg/ml in 0.1M NaCl.
Bioactivity Data:>15 U/mg (one unit binds 1 ug D-biotin at pH 8.9, less than 10^-3 U/mg protein (Azcoll, 25C, 24h, pH 8.0)
Amino Acid Sequence: MRKIVVAAIA VSLTTVSITA SASADPSKDS KAQVSAAEAG ITGTWYNQLG STFIVTAGAD GALTGTYESA VGNAESRYVL TGRYDSAPAT DGSGTALGWT VAWKNNYRNA HSATTWSGQY VGGAEARINT QWLLTSGTTE ANAWKSTLVG HDTFTKVKPS AASIDAAKKA GVNNGNPLDA VQQ
Endotoxin Levels: Not Determined. Testing recommended prior to use in cell culture and can be performed upon request.
Buffer: Lyophilized (1 mg/ml) in 50mM NaCl, pH 9.0.
Storage Conditions: Streptavidin although stable at 4°C for 3 weeks, should be stored desiccated below -18°C. For longer storage in dissolved form add 1mM EDTA and/or 0.02 % NaN3 or pass the solution through a sterile filter. Please prevent freeze-thaw cycles.
Physical Appearance: Sterile Filtered lyophilized powder.

Limitations and Performance Guarantee

enQuire Bio's products are guaranteed and approved for RESEARCH USE ONLY or manufacturing purposes. This product may not be used as a pharmaceutical agent, or other product intended for human consumption without meeting additional regulatory requirements. This product is guaranteed to work for a period of two years when stored at -70C or colder, and one year when aliquoted and stored at -20C.

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Streptavidin Protein