荧光素酶6970-00-/荧光素酶(萤火虫)/重组型酵素/Luciferase firefly BR,98% 毫克 ,Sigma-Aldrich、Amresco、Amersham、Serva、AppliChem等品牌,
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中文名称:
其他中文名称: 荧光素酶(萤火虫);重组型酵素
英文名称: Luciferase firefly
其他英文名称: Luciferase from Photinus pyralis (firefly)
产品规格: BR,98%
包装: 毫克
:6970-00-
级别:BR
product line:BioUltra
Assay:≥98% (SDS-PAGE)
Mol wt:mol wt 20 kDa (two non-identical subunits, each containing four free thiol groups, one of which is necessary for activity)
Protein:0-35% E%/280
Measuring range:≤ femtomole ATP sensitivity, (using 0.2 μg of luciferase and suitably sensitive liquid scintillation counters or luminometers)
Foreign activity:ATPase ≤5 nanomolar units/mg protein;Nucleoside diphosphokinase ≤20 nanomolar units/mg protein
活力定义:One light unit produces a biometer peak height equivalent to 0.02 μCi of 4C in PPO/POPOP cocktail. Light units measured in 50 μl assay mixture containing 5 pmol ATP and 7.5 nmol luciferin in Tris-glycine buffer, pH 7.6, at 25 °C
产品描述:Two contaminant, ATP-consuming activities are assayed for in this product, ATPase and nucleoside diphosphokinase. These impurities are found to be less than 5 nanomolar units/mg protein and less than 20 nanomolar units/mg protein, respectively.
Note: Prior to 99, a unit of firefly luciferase activity was defined as that amount which will produce .0 nanomole of pyrophosphate per minute at pH 7.7, 25 °C, using a system containing 0.6 mM ATP and 0. mM D-luciferin. The former nanomolar unit is equivalent to approximay .3 x 06 light units
性状:粉末。EC:.3.2.7
用途:生化研究。
保存:-20℃。保质期年
品名称 | |
英文名称 | Luciferase firefly |
规格 | 可接受大包订制 |
客户可根据的性质、化学式、分子式、结构式、比重、密度、、沸点、熔点、水溶性、MSDS、用途、作用、规格包装、性状、注意事项、英文名、别称、纯度、级别等情况,本产品化学性质稳定,运输条件不苛刻,一般储存在阴凉,干燥,通风良好的地方,远离不相容的物质。保持容器密闭。
公司提供的*,货源充足。严格的质量控制体系,包括:优级纯,分析纯,化学纯,试剂级,基准试剂,实验纯,教学试剂,高纯试剂,色谱纯,光谱纯,电子纯。各种包装规格,并可提供包装定制,咨询、订购。
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