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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
-20℃
- 保质期:
12个月
- 英文名:
Recombinant Enolase, Non Neuronal (NNE)
- 库存:
100
- 供应商:
上海沪震
FOR IN VITRO AND RESEARCH USE ONLY, NOT FOR USE IN CLINICAL DIAGNOSTIC PROCEDURES!
Organism species Rattus norvegicus (Rat)
Product No. RPB449Ra01
Source Prokaryotic expression
Host E.coli
Purity > 95%
UOM 50ug
Predicted Molecular Mass n/a
Predicted isoelectric point n/a
Applications SDS-PAGE; WB; ELISA; IP.
Endotoxin Level <1.0EU per 1µg (determined by the LAL method)
Subcellular Location n/a
非神经元性烯醇化酶(NNE)重组蛋白Residues n/a
Formulation Supplied as lyophilized form in PBS, pH7.4, containing 5% trehalose, 0.01% sarcosyl.
USAGE
Reconstitute in sterile PBS, pH7.2-pH7.4.
STORAGE AND STABILITY
Storage: Avoid repeated freeze/thaw cycles. Store at 2-8oC for one month. Aliquot and store at -80oC for 12 months.
Stability Test: The thermal stability is described by the loss rate of the target protein. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37oC for 48h, and no obvious degradation and precipitation were observed. (Referring from China Biological Products Standard, which was calculated by the Arrhenius equation.) The loss of this protein is less than 5% within the expiration date under appropriate storage condition.
About the MARKER (complimentary)
Effective Size Range: 10kDa to 70kDa.
Protein bands: 10kDa, 14kDa, 18kDa, 22kDa, 26kDa, 33kDa, 44kDa and 70kDa.
Double intensity bands: The 26kDa, 18kDa, 10kDa bands are at double intensity to make location and size approximation of proteins of interest quick and easy.
非神经元性烯醇化酶(NNE)重组蛋白Ready-to-use: No need to heat, dilute or add reducing agents before use.
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文献和实验。 4.10000g,4o C,离心20 min,取上清(为溶液A),-20 o C保存;另将沉淀用同样裂解液1溶解(为溶液B),同样-20 o C保存,供后继分析使用。 5.将上述A、B溶液和诱导前后的细菌进行SDS-PAGE电泳,考马斯亮蓝染色,比较分析重组蛋白质的溶解性。如果诱导表达的蛋白质位于A溶液中,则为可溶性蛋白;如果是在B溶液中,则为非可溶蛋白。 重组蛋白质为非可溶性蛋白(变性条件下)的分离纯化 1. 将菌体沉淀溶于适量裂解液2(Lysis buffer
中间体后,温度快速升高来促进后期中间体快速折叠为蛋白的天然构象。第三种方法是复性在中等的变性剂浓度下进行[18],变性剂浓度应高到足以有效防止聚集,同时又必须低到能够引发正确复性。 3、 添加促进剂的复性方法:包涵体蛋白质折叠复性促进剂的促进作用可以分为:稳定正确折叠蛋白质的天然结构、改变错误折叠蛋白质的稳定性、增加折叠复性中间体的溶解性、增加非折叠蛋白质的溶解性。通常使用的添加剂有:a、共溶剂:如PEG6000~20000,通过与中间体特异的形成非聚集的复合物,可以阻止蛋白质分子间的相互碰撞
,AFU同工酶对正常人、肝炎和原发性肝癌患者的鉴别诊断具有一定的临床应用价值。 (三)神经原特异性烯醇化酶(neuron-specificenolase,NSE) 烯醇化酶是催化糖原酵途径中甘油分解的最后的酶。由3个独立的基因片段编码3种免疫学性质不同的亚基α、β、γ,组成5种形式的同工酶αα、ββ、γγ、αγ、βγ。二聚体是该酶分子的活性形式,γ亚基同工酶存在于神经原和神经内分泌组织,称为NSE.α亚基同工酶定位于胶质细胞,称为非神经原特异性烯醇化酶(NNE)。NSE和NNE的分子量
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