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- 详细信息
- 文献和实验
- 技术资料
- 保存条件:
-20℃
- 英文名:
Recombinant Alpha-1,4-Galactosyltransferase (a4GALT)
- 库存:
1000
- 供应商:
上海信裕
| Organism species | Rattus norvegicus (Rat) |
| Product No. | RPC274Ra01 |
| Source | Prokaryotic expression |
| Host | E.coli |
| Purity | > 95% |
| UOM | 50ug |
| Predicted Molecular Mass | 28.9kDa |
| Concentration | n/a |
| Applications | SDS-PAGE; WB; ELISA; IP. |
| Endotoxin Level | <1.0EU per 1µg (determined by the LAL method) |
| Residues | Cys142~Thr357 with two N-terminal Tags, His-tag and T7-tag |
| Formulation | Supplied as lyophilized form in 20mM Tris, 150mM NaCl, pH8.0, containing 1mM EDTA, 1mM DTT, 0.01% sarcosyl, 5% trehalose, and preservative. |
CFPNVQIRP LDLQELFEDT PLAAWYLEAQ HRWEPYLLPV LSDASRIALL WKFGGIYLDT DFIVLKNLRN LTNMLGIQSR YVLNGAFLAF ERKHEFLALC IRDFVAHYNG WIWGHQGPQL LTRVFKKWCS IHSLKESRAC RGVTALPPEA FYPIPWQNWK KYFEDVSPEE LAQLLNATYA VHVWNKKSQG THLEATSRAL LAQLHARYCP TTHRAMT
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,或者可以表达以产生重组蛋白。pET-32α(+)载体系列用于表达与109 aa Trx•Tag™硫氧还蛋白融合的肽序列。它属于一种表达系统,可在其激活后产生所需的蛋白质。插入原核宿主细胞。原核细胞如大肠杆菌因为它们廉价,快速的生物量积累和简单的工艺规模扩大,因此是外源蛋白表达的首选宿主。在本文中,我们将重点总结这种在我们的实验室中使用的有用技术。表达后pET-32α(+)载体的构建,蛋白质表达和蛋白质纯化将在本文中详细描述。获得用于构建载体的外源DNA片段插入载体的DNA通常可以使用聚合酶链式反应(PCR
二磷酸尿甘半乳糖 uridine diphosphate ga-lactose
一般简称UDP-半乳糖。其结构是 α-D-半乳糖残基结合在二磷酸尿苷的末端磷酸残基上,与二磷酸尿甘葡糖(UDP-葡糖)同样广泛分布于微生物、动植物细胞内的一种核苷酸糖。由1-磷酸α-D-半乳糖在己糖-1-磷酸尿苷酰转移酶(hexose-1-phospha-te uridylyltransferase,EC 2.7.7.12)的反应中生物合成。UDP-葡糖 1-磷酸半乳糖UDP半乳糖 1-磷酸葡萄糖。然而因为在细胞内有UDP葡糖-4-差向异构酶,容易进行UDP-半乳糖UDP葡糖的互变,实际
素C是维持羟化酶活性所必需的,缺乏维生素C,胶原合成不能形成正常的纤维,可出现皮肤结节,血管脆弱及伤口愈合缓慢等症状。羟化作用对三股螺旋的坚固性有重要作用,羟化不足的链在体温下不能形成坚固的三股螺旋,因而不能从细胞内排出。 (2)糖基化修饰 胶原分子中含有共价连接的糖基,根据组织不同,糖含量可达0.4-12%。其中糖基主要为葡萄糖、半乳糖及它们的双糖。在内质网中由半乳糖基转移酶及葡萄糖基转移酶催化将糖基联于5-羟赖氨酸残基上。 糖基化的作用目前尚未完全阐明
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