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经验公式(希尔记法):
C46H67N7O12
化学文摘社编号:
分子量:
910.06
UNSPSC Code:
12352202
NACRES:
NA.77
MDL number:
biological source
microbial (Microcystis aerguinosa)
assay
≥95% (HPLC)
form
solid
solubility
methanol: 2 mg/mL, ethanol: soluble
storage temp.
−20°C
General description
微囊藻毒素是一种单环小分子多肽,由 7 个氨基酸通过肽键连接而成。是一种具有肝毒性和促癌属性的青毒素。鱼腥藻属、 丝囊藻属、 微胞藻属 和 浮丝藻属等几个藻属产生微囊藻毒素。微囊藻毒素有四种同源物,即-LR、-LA、-YR 和-RR。
Application
来自藻类的微囊藻毒素 LA 已被用作毒素分析的液相色谱/质谱 (LCMS) 标准品。
Biochem/physiol Actions
微囊藻毒素 LA 抑制蛋白磷酸酶类型 A 型和蛋白磷酸酶 3 类型的能力强于蛋白磷酸酶 1 类型(效价顺序 PP2A > PP3 > PP1)。
微囊藻毒素 LA 抑制蛋白磷酸酶类型 A 型和蛋白磷酸酶 3 类型的能力强于蛋白磷酸酶 1 类型(效价顺序 PP2A > PP3 > PP1)。诱导中性粒细胞活化趋化因子和胞外活性氧,可能的机制是其肝毒性作用。
signalword
Danger
Hazard Classifications
Acute Tox. 2 Oral - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
存储类别
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
法规信息
新产品
此项目有
An overview of the accumulation of microcystins in aquatic ecosystems
Pham TL and Utsumi M
Journal of Environmental Management, 213, 520e529-520e529 (2018)
Widespread anatoxin-a detection in benthic cyanobacterial mats throughout a river network
Bouma-Gregson K, et al.
PLoS ONE, 13(5), e0197669-e0197669 (2018)
Prabha Painuly et al.
Tetrahedron Letters, 29, 11-14 (1988)
A review of microcystin detections in estuarine and marine waters: environmental implications and human health risk
Preece EP, et al.
Harmful Algae, 61, 31-45 (2017)
R E Honkanen et al.
The Journal of biological chemistry, 265(32), 19401-19404 (1990-11-15)
The level of protein phosphorylation is dependent on the relative activities of both protein kinases and protein phosphatases. By comparison with protein kinases, however, there have been considerably fewer studies on the functions of serine/threonine protein phosphatases. This is partly
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