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Streptavidin(iFluor647)

Details and Advantages
Applications: ELISA,WB,Flow Cyt
Reactivity: Biotin
Conjugate: iFluor647
Advantages:

High lot-to-lot consistency

Increased sensitivity and higher affinity

Animal-free production

概述 >
Description:
Streptavidin(iFluor647) is coupled steptavidin with iFluor647. Streptavidin(iFluor647) is highly sensitive to binds biotinylated proteins in enzyme immunoassay, immunoblotting, immunohistochemistry, flow cytometry systems.

Conjugate: iFluor647(Ex: 652nm, Em: 668nm), 2 moles iFluor647 per mole streptavidin
Concentration: 1mg/ml
Formation: Liquid, 10mM PBS(pH 7.5), 0.05% sucrose, 0.1% trehalose, 0.01% proclin300, 50% Glycerol
Storage: Store at –20 °C, protect from light

Background:
Streptavidin is a 53 kDa protein isolated from Streptomyces avidinii. Streptavidin has a molecular weight of 60 KD and contains 4 subunits. Each subunit can bind one molecule of biotin. Streptavidin has strong binding properties to avidin (Kd=10-15). Because of its strong non-covalent interaction with biotin, streptavidin can be used to detect and isolate biotinylated proteins.
性能 >
WB: 1:10,000-1:50,000
ELISA: 1:10,000-1:50,000
Flow Cyt: 1:200-1:2000

Dilution factors are presented in the form of a range because the optimal dilution is a function of many factors, such as antigen density, permeability, etc. The actual dilution used must be determined empirically.