中文名 | 微囊藻毒素Microcystin-LA |
---|---|
英文名 | (5R,8S,11R,12S,15S,18S,19S,22R)-18-[(1E,3E,5S,6S)-6-methoxy-3,5-dimethyl-7-phenylhepta-1,3-dienyl]-1,5,12,15,19-pentamethyl-2-methylidene-8-(2-methylpropyl)-3,6,9,13,16,20,25-heptaoxo-1,4,7,10,14,17,21-heptazacyclopentacosane-11,22-dicarboxylic acid |
英文别名 |
(5R,8S,11R,12S,15S,18S,19S,22R)-18-[(1E,3E,5S,6S)-6-methoxy-3,5-dimethyl-7-phenylhepta-1,3-dien-1-yl]-1,5,12,15,19-pentamethyl-2-methylidene-8-(2-methylpropyl)-3,6,9,13,16,20,25-heptaoxo-1,4,7,10,14,17,21-heptaazacyclopentacosane-11,22-dicarboxylic acid
Toxin BE 4 Cyanoginosin-LA (5R,8S,11R,12S,15S,18S,19S,22R)-8-Isobutyl-18-[(1E,3E,5S,6S)-6-methoxy-3,5-dimethyl-7-phenyl-1,3-heptadien-1-yl]-1,5,12,15,19-pentamethyl-2-methylene-3,6,9,13,16,20,25-heptaoxo-1,4,7,10,14,17,21-heptaazacyclopentacosane-11,22-dicarboxylic acid 1,4,7,10,14,17,21-Heptaazacyclopentacosane-11,22-dicarboxylic acid, 18-[(1E,3E,5S,6S)-6-methoxy-3,5-dimethyl-7-phenyl-1,3-heptadien-1-yl]-1,5,12,15,19-pentamethyl-2-methylene-8-(2-methylpropyl)-3,6,9,13,16,20,25-heptaoxo-, (5R,8S,11R,12S,15S,18S,19S,22R)- |
描述 | Microcystin LA 是一种天然毒素,Microcystin LA 通过抑制丝氨酸-苏氨酸蛋白磷酸酶 PP1 (IC50=0.3 nM) 和 PP2A (IC50=0.3 nM) 来发挥其细胞毒性作用。 |
---|---|
相关类别 | |
体外研究 | 微囊藻毒素LA对PP1和PP2A的抑制作用与其他已知的磷酸酶(如PP2B(钙调神经磷酸酶)、PP2C和酪氨酸磷酸酶等)相比非常强且特异[1]。 |
密度 | 1.3±0.1 g/cm3 |
---|---|
沸点 | 1237.0±65.0 °C at 760 mmHg |
分子式 | C46H67N7O12 |
分子量 | 910.064 |
闪点 | 701.9±34.3 °C |
精确质量 | 909.484741 |
PSA | 299.68000 |
LogP | -0.52 |
蒸汽压 | 0.0±0.3 mmHg at 25°C |
折射率 | 1.574 |
储存条件 | -20°C,密闭,干燥 |