The atomic mass of this product is not characterized for the finished goods. However, according to the following publication, the apparent molecular weight under SDS-PAGE analysis seems to be about 66 kDa. The reference publication is AIMS Biophysics, 7(4): 236–247.
85878
Streptavidin from Streptomyces avidinii
affinity purified, lyophilized from 10 mM potassium phosphate, ≥13 U/mg protein
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1 MG
£162.00
5 MG
£592.00
10 MG
£660.80
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1 MG
£162.00
5 MG
£592.00
10 MG
£660.80
About This Item
Recommended Products
form
powder
Quality Level
quality
affinity purified
lyophilized from 10 mM potassium phosphate
specific activity
≥13 U/mg protein
mol wt
Mr ~60000
solubility
H2O: 1 mg/mL, clear to hazy, colorless to faintly yellow
storage temp.
−20°C
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General description
Streptavidin is a crystalline protein synthesized by Streptomycetes.[1]
Application
Streptavidin from Streptomyces avidinii has been used:
- in the pre-functionalization of self-propelled catalytic micromotors[2]
- in the fabrication and modification of hydroxyapatite-chitosan (HA-CTS) nanofilm-coated substrates[3]
- as an analyte to bind biomolecules to the gold-inverted polymer solar cells (Au-IPSC)[4]
Biochem/physiol Actions
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
The sales quantitites 1 mg and 5 mg
Unit Definition
1 U corresponds to the amount of protein which binds 1μg (+)-biotin at pH 7.5
Analysis Note
Binding capability: Streptavidin binds one molecule of biotin per subunit. Comparison of biotin binding and absorbance measurements indicates that ≤5% binding sites are occupied.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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What is the atomic mass of this Streptavidin? Is it 66 kDa?
1 answer-
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Is this a recombinant or native protein?
1 answer-
This product is native streptavidin that has been affinity purified from fermentation cultures of Streptomyces avidinii.
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