重组小鼠蛋白S100-A11由大肠杆菌表达系统产生,目的基因Met1-Ile98在n端带有6His标记表达。蛋白编号:P50543。
别名:Protein S100-A11; Calgizzarin; Endothelial monocyte-activating polypeptide
种属:Mouse
表达系统:E.coli
纯度:经还原SDS-PAGE测定,大于95%
分子量:12.6 KDa
内毒素:LAL测试测得小于0.1 ng/µg (1EU/µg)
存储及稳定性:冻干蛋白应保存在≤-20°C,接收后稳定保存一年。重组蛋白溶液可在2-8℃保存2-7天。重组样品的等分线在≤-20°C下稳定3个月
生物活性:蛋白质S100-A11(S100A11)是S-100家族的一员。S100A11广泛表达于多种组织中,分布于细胞质、细胞核甚至细胞外周。S100A11作为一种具有反平行构象的非共价同二聚体存在。Ca(2+)与S100A11结合会引起构象变化,从而暴露S100A11的疏水裂口,促进其与靶蛋白的相互作用。S100A11作为一种双细胞生长介质,在许多不同类型的肿瘤中既可作为肿瘤抑制因子,也可作为肿瘤启动因子,并在影响癌细胞增殖蛋白方面发挥各自的作用。在细胞核中,S100A11通过激活p21 (CIP1/WAF1)抑制角质形成细胞的生长,诱导细胞分化。S100A11也是一种新的乳腺癌诊断标志物。
溶解性(25°C) | It is not recommended to reconstitute to a concentration less than 100μg/ml. |
储存条件 |
粉末型式 -20°C 3年;4°C 2年 溶于溶剂 -80°C 6个月;-20°C 1个月 |
运输方式 | 冰袋运输,根据产品的不同,可能会有相应调整。 |
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