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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 Cell Adhesion Molecule 1 (CADM1)
- 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 Homo sapiens (Human)
Product No. RPE544Hu01
Source Prokaryotic expression
Host E.coli
Purity > 95%
UOM 50ug
Predicted Molecular Mass 60.0KDa
Applications SDS-PAGE; WB; ELISA; IP.
Endotoxin Level <1.0EU per 1µg (determined by the LAL method)
Residues Arg27~Val292 with two N-terminal Tags, His-tag and GST-tag
细胞粘附分子1(CADM1)重组蛋白Formulation Supplied as lyophilized form in PBS, pH7.4, containing 5% trehalose, 0.01% sarcosyl.
SEQUENCES
The target protein is fused with two N-terminal Tags, His-tag and GST-tag, its sequence is listed below.
RLLL LLFSAAALIP TGDGQNLFTK DVTVIEGEVA TISCQVNKSD DSVIQLLNPN RQTIYFRDFR PLKDSRFQLL NFSSSELKVS LTNVSISDEG RYFCQLYTDP PQESYTTITV LVPPRNLMID IQKDTAVEGE EIEVNCTAMA SKPATTIRWF KGNTELKGKS EVEEWSDMYT VTSQLMLKVH KEDDGVPVIC QVEHPAVTGN LQTQRYLEVQ YKPQVHIQMT YPLQGLTREG DALELTCEAI GKPQPVMVTW VRVDDEMPQH AV
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.
细胞粘附分子1(CADM1)重组蛋白Ready-to-use: No need to heat, dilute or add reducing agents before use.
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文献和实验一、融合表达蛋白的纯化:融合表达蛋白可以在原目标分子之外带有GST肽段或(His)6肽段,从而使得可以分别用Glutathione Sepharose凝胶或Chelating Sepharose凝胶进行亲和色谱分子,一步可以达到~90%的纯度,经过特异蛋白酶切后,再进行离子交换及高分辨凝胶过滤一般便可以达到所需的纯度(95~99%)。二、包含体表达蛋白的纯化:在E.coli系统表达重组蛋白,表达量高时,常形成包含体,包含体易于与细胞其他组分分离,但需要注意的是蛋白复性的步骤。一般采用盐酸胍溶解
条件一般的运输过程需要 1~2 周的时间,所以是在低温 4℃的条件下来完成的。4℃运输最主要的目的是为了避免反复冻融对抗体和重组蛋白活性的损害(如果使用干冰运输,那么收到时抗体和重组蛋白是冻起来的,为了分装就需要解冻,这就多了一次冻融的过程),所以运输过程中一般避免干冰运输。5. 抗体和重组蛋白的稳定性(1)抗体的稳定性是自然界长期进化的结果,抗体是免疫系统中最重要的分子之一,其稳定性是自然进化筛选的结果,在众多物种中,抗体分子形成了保守而稳定的结构。(2)抗体的高 Tm 值,在室温下,甚至短时
,这就多了一次冻融的过程),所以运输过程中一般避免干冰运输。 5. 抗体和重组蛋白的稳定性 (1)抗体的稳定性是自然界长期进化的结果,抗体是免疫系统中最重要的分子之一,其稳定性是自然进化筛选的结果,在众多物种中,抗体分子形成了保守而稳定的结构。 (2)抗体的高Tm值,在室温下,甚至短时间温度达到 50~60℃,抗体分子都能维持正确折叠,保持其应有的活性。 (3)抗体和重组蛋白的纯度。Immune tech 采用先进的抗体和重组蛋白
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