产品说明
摘要
Streptavidin is a 55 kDa (subunit MW 14 kDa) biotin-binding protein isolated from Streptomyces avidini. Streptavidin is superior to avidin, because it does not contain carbohydrate like avidin and has no net charge at neutral pH. Streptavidin~biotin system is routinely used in Immunohistochemistry (IHC). Extinction Coefficient 1% A280=32.0. Protein content: > 95%.
产品应用
应用说明
*最佳稀释倍数与浓度应由研究人员确认
| 实验应用 |
稀释倍数 |
| Assay dependent |
| Assay dependent |
WB: 免疫印迹
ICC/IF: 细胞染色
IHC-P: 石蜡切片
IHC-Fr: 冰冻切片
产品属性
形式
Liquid
存储溶液
0.1M Bicarbonate (pH8.0)
保存剂
0.05% Sodium azide
存放说明
Store as concentrated solution. Centrifuge briefly prior to opening vial. Store at 4ºC.
浓度
1 mg/ml (Please refer to the vial label for the specific concentration.)
偶联
Unconjugated
注意事项
仅供实验室使用。不适用于人类或动物的任何临床，治疗或诊断用途。不适合动物或人类食用。
相关讯息
功能与背景
Streptavidin is a 55 kDa (subunit MW 14 kDa) biotin-binding protein isolated from Streptomyces avidini. Streptavidin is superior to avidin, because it does not contain carbohydrate like avidin and has no net charge at neutral pH. Streptavidin~biotin system is routinely used in Immunohistochemistry (IHC). Extinction Coefficient 1% A280=32.0. Purity: > 99% pure by HPLC; Eletrophoretically homogenous, single band. Protein content: > 95%; Activity 14.8 units/ mg, one unit binds 1.0 microgram of d-biotin; Protease activity: 0.000018 units/mg; Isoelectric point: 7.0 +/- determined by Isoelectric focusing.
研究领域
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