推荐产品
生物来源
Staphylococcus aureus
质量水平
表单
lyophilized powder
比活
≥10,000 units/mg protein
包含
sodium citrate buffer as balance
组成
Protein, ~60% Lowry
溶解性
H2O: soluble 0.49-0.51 mg/mL
UniProt登记号
储存温度
2-8°C
基因信息
Staphylococcus aureus ... SAOUHSC_01121(3920722)
一般描述
α-溶血素是一种成孔细胞毒素,它是大多数致病性金黄色葡萄球菌菌株分泌的一种细胞外蛋白。它是以水溶性单体的形式分泌,是一种小型β桶状蛋白。
应用
α-来自金黄色葡萄球菌的溶血素已被用于:
- 作为电解质溶液的一种成分,用于通过电生理测量测试脂双层中的孔形成
- 测试其在骨髓基质细胞(BMSCs)中的成骨抑制作用
- 制备用于 Biacore 和表面等离子体共振的α溶血素分子印迹聚合物 (MIP)
α-溶血素被用于一项研究,用于测试乳制品大肠杆菌的外排泵和溶血素活性。它还用于测试其对苯扎氯铵的适应性以及环丙沙星对生物膜形成的影响。
生化/生理作用
α-溶血素是选择性溶血的,单体形式与膜结合,结合不需要特异性受体。在与生物膜和/或人造膜结合后,它会发生自身低聚化,从而产生代表跨膜孔的环状结构(六聚体),这些孔对离子和小代谢物是通透的。它对兔红细胞有明显的偏好。α-溶血素刺激细胞磷脂酶并诱导 Ca2+流入。它导致内皮屏障的膜破坏和细胞质成分的泄漏和细胞的渗透裂解。α-溶血素与脓毒症的发病机制有关。
包装
包装尺寸基于蛋白质含量
单位定义
一个溶血单元是在 37°C 下 30 分钟,然后在 4°C 下冷藏 30 分钟后,悬浮在 pH 7.0 磷酸盐缓冲盐水中含1% 牛血清白蛋白的 1% 兔红细胞有50%溶解。
警示用语:
Warning
危险声明
危险分类
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 2
靶器官
Lungs,Blood
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
法规信息
高风险级别生物产品--毒素类产品
从最新的版本中选择一种:
分析证书(COA)
Traffic (Copenhagen, Denmark), 19(6), 436-445 (2018-03-16)
Phosphoinositides (PtdIns) play important roles in exocytosis and are thought to regulate secretory granule docking by co-clustering with the SNARE protein syntaxin to form a docking receptor in the plasma membrane. Here we tested this idea by high-resolution total internal
Frontiers in cellular and infection microbiology, 2, 12-12 (2012-08-25)
One key aspect of the virulence of Staphylococcus aureus lies in its ability to target the host cell membrane with a large number of membrane-damaging toxins and peptides. In this review, we describe the hemolysins, the bi-component leukocidins (which include
Biophysical journal, 120(9), 1537-1541 (2021-02-23)
The use of chaotropic reagents is common in biophysical characterization of biomolecules. When the study involves transmembrane protein channels, the stability of the protein channel and supporting bilayer membrane must be considered. In this letter, we show that planar bilayers
Generation of chip based microelectrochemical cell arrays for long-term and high-resolution recording of ionic currents through ion channel proteins
Sensors and Actuators B, Chemical, 205 (205)
Cellular signalling, 1(4), 387-393 (1989-01-01)
Staphylococcal alpha-toxin at subcytotoxic concentrations stimulated phosphatidylinositol turnover and arachidonic acid release in undifferentiated cultures of pheochromocytoma PC12 cells. Stimulation of phospholipase A2 but not C was dependent on extracellular calcium. Addition of staphylococcal alpha-toxin to PC12 cells caused a
相关内容
Cell lysis and protein extraction methods overview various techniques, from detergent solubilization to mechanical disruption, supporting research needs.
细胞裂解和蛋白质溶解是进行有效分析和高效处理的关键步骤,默克分享提取方法包括酶法、化学法、机械法或几种方法的联合使用。
我们的科学家团队拥有各种研究领域经验,包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
联系技术服务部门