Streptavidin

Streptavidin is a 52.8 kD tetrameric protein obtained from Streptomyces avidinii. It binds to biotin with a very high affinity and is one of the strongest interactions in nature with a dissociation constant of 10-14 mol/L. It is used in a wide range of applications including ELISA, flow cytometry, molecular biology, and bionanotechnology. This product is for research use only.

Product Details
Species Reactivity	Bind to Biotin
Source	E. coli
Type	Recombinant Protein
Measurement	A280 of 0.1% solution: 3.2
Isoelectric point (pI)	6.8 to 7.5
Conjugate	Unconjugated
Purity	>95%
Molecular Weight	52,800
Protein Concentration	1 mg/ml
Formulation	Liquid
Storage Condition	4°C for short time, -20°C or -80°C for long time.
Storage Buffer	20 mM Sodium Borate, 6% Trehalose, pH8.0