RSTREP-RO
Roche
Streptavidin, recombinant
liquid, ≥17 units/mg protein, pH range 5.0-9.0
Sinónimos:
streptavidin
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About This Item
Código UNSPSC:
12352202
Productos recomendados
origen biológico
Streptomyces sp. ( Streptomyces avidinii)
Nivel de calidad
recombinante
expressed in E. coli
Formulario
liquid
actividad específica
≥17 units/mg protein
mol peso
~52 kDa
envase
pkg of 1 mg (11721666001)
pkg of 5 mg (11721674001)
fabricante / nombre comercial
Roche
concentración
70-90%
técnicas
protein array: suitable
protein purification: suitable
impurezas
6-7% water
intervalo de pH
5.0-9.0
pI
7.4-7.7 (two main bands)
solubilidad
water: 10 mg/L (mA405=100)
idoneidad
suitable for immunological tests
Nº de acceso UniProt
Condiciones de envío
cooler
temp. de almacenamiento
-10 to -25°C
Categorías relacionadas
Descripción general
Streptavidin, a highly versatile protein, is naturally produced by Streptomyces avidinii. It exhibits a strong affinity for biotin, forming a non-covalent yet robust binding interaction. This unique property makes streptavidin an ideal choice for various biological detection systems, including western blotting, enzyme-linked immunosorbent assays (ELISA), and immunohistochemistry.
Aplicación
Use Streptavidin, recombinant for coating of solid phases (e.g., microplates, beads etc.) as well with biotin-labeled haptens and antibodies in universal immunological detection systems (streptavidin/biotin system).
Secuencia
Streptavidin is a tetramer with a molecular weight of approximately 53 kD consisting of four subunits of approximately 13 kD, each containing a single biotin-binding site.
Each subunit has six tyrosine residues.The protein is free of carbohydrate.
Each subunit has six tyrosine residues.The protein is free of carbohydrate.
Definición de unidad
One unit binds 1 μg D-biotin at pH 8.9.
Forma física
White lyophilizate; lyophilized in a 20 mM potassium phosphate, pH 6.5 solution
Protein: 0.7 ± 0.1mg protein lyophilizate (A282 = 3.1)
KD: 10-15M
Protein: 0.7 ± 0.1mg protein lyophilizate (A282 = 3.1)
KD: 10-15M
Otras notas
For life science research only. Not for use in diagnostic procedures.
Código de clase de almacenamiento
11 - Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 1
Punto de inflamabilidad (°F)
does not flash
Punto de inflamabilidad (°C)
does not flash
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