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上海泛柯实业有限公司
磷脂酶A2(PLA2)根据依赖Ca2+的PLA2在体内的分布。可分为分泌型(PLA2-Ⅰ和PLA2-Ⅱ)和胞质型(PLA2-Ⅲ和PLA2-Ⅳ)两种。PLA2-Ⅱ是重症胰腺炎出现一系列并发症的早期标志物,作为急性时相反应介质,与重症胰腺炎的发展密切相关。因此,测定PLA2-Ⅱ对细菌感染性坏死性胰腺炎、重症AP并发多器官功能衰竭等具有重要的识别作用。
[产品名称] | 磷脂酶A2 |
[包装] | 1毫克 |
[到货期] | 1-2天 |
英文名称:PLA2;Lecithinase A;Phosphatidylcholine 2-acylhydrolase;Phospholipase A2
其他名称:磷酯酶A2
级别:BR
来源:Crotalus durissus terrificus venom
Specific activity:≥20u/mg protein
活力定义:One Unit releases one micromole of acid from soybean lecithin per minute at 25℃, pH 8.9
产品描述:Phospholipase A2 is a member of the class of heat-stable, calcium-dependent enzymes catalyzing the hydrolysis of the 2-acyl bond of 3-n-phosphoglycerides. The enzyme has a molecular weight of 30,000 daltons. Phospholipase A2 is activated by Ca2+. It is inhibited by zinc, barium, and manganese ions. Activity values for phospholipase A preparations which are derived from titrimetric assay procedures can be quite dependent on source and type of lecithin, its preparation as a substrate emulsion, other components of the reaction mixture, and the method and instrumentation used
性状(以下信息仅供参考):粉末。EC3.1.1.4
用途:本品仅供科研,不得用于其它用途
保存:-20℃
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