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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 Fatty Acid Binding Protein 4, Adipocyte (FABP4)
- 库存:
1000
- 供应商:
上海信裕
| Organism species | Mus musculus (Mouse) |
| Product No. | |
| Source | Eukaryotic expression |
| Host | 293F cell |
| Purity | > 95% |
| UOM | 50ug |
| Predicted Molecular Mass | 16.1KDa |
| Concentration | n/a |
| Applications | SDS-PAGE; WB; ELISA; IP. |
| Endotoxin Level | <1.0EU per 1µg (determined by the LAL method) |
| Residues | Cys2~Ala132 with a his-tag |
| Formulation | Supplied as lyophilized form in PBS, pH7.4, containing 5% trehalose, 0.01% sarcosyl. |
CDAFVGTWK LVSSENFDDY MKEVGVGFAT RKVAGMAKPN MIISVNGDLV TIRSESTFKN TEISFKLGVE FDEITADDRK VKSIITLDGG ALVQVQKWDG KSTTIKRKRD GDKLVVECVM KGVTSTRVYE RA
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.
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.
Ready-to-use: No need to heat, dilute or add reducing agents before use.
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文献和实验的,但是这结果是不是假阳性呢?还得做个阴性对照。阴性对照如何设置呢?考虑到整个实验体系会出现 beads、抗X抗体、诱饵蛋白 X、靶蛋白 Y(co-IP): 可能出现的假阳性来源 需要的阴性对照 抗 X 抗体结合非特异的蛋白 与 IP 一抗种属亚型相同的免疫球蛋白(比如,抗 X 抗体是 Mouse IgG,阴性对照可使用 Mouse 免疫球蛋白) beads 对蛋白的非特异结合* 同上,此外还可进行 Pre clear,IP 正式实验前排除非特异结合蛋白。如果使用琼脂
。当某一个标签的使用,一是能构成表位利于纯化和检测;二是构成独特的结构特征(结合配体)利于纯化。组氨酸残基侧链与固态的镍有强烈的吸引力,可用于固定化金属螯合层析(IMAC),对重组蛋白进行分离纯化。使用His-tag有下面优点:1.标签的分子量小,只有~0.84KD,而GST和蛋白A分别为~26KD和~30KD,一般不影响目标蛋白的功能;2.His标签融合蛋白可以在非离子型表面活性剂存在的条件下或变性条件下纯化,前者在纯化疏水性强的蛋白得到应用,后者在纯化包涵体蛋白时特别有用,用高浓度的变性剂溶解
2)。 图2 硝基苯和偶氮苯的还原反应 肝微粒体中含有多种水解酶,如酯酶、酰胺酶、糖苷酶等,可分别催化酯类、酰胺类、糖苷类化合物的水解(见图3),以降低或消除其生物活性。 图3 乙酰水杨酸的水解反应 02 Ⅰ相代谢稳定性实验原理 肝药酶CYP即细胞色素P450氧化酶(CYP450),属于单加氧酶(momooxygenase),也称肝微粒体混合功能氧化酶,多位于内质网和线粒体内壁上,参与药物、致癌物、类固醇激素和脂肪酸等多种内、外源性物质代谢。肝药酶CYP氧化还原酶(POR)是所有肝
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