Ascomycin, also known as FK520, is a macrolide immunosuppressant produced by the bacterium Streptomyces hygroscopicus var. ascomyceticus. It is an ethyl analogue of FK506 and is used for post-transplant organ rejection, autoimmune disorders and neurodegeneration.
Ascomycin inhibits T-cell activation and development by binding to calcineurin. Calcineurin is a phosphatase that dephosphorylates nuclear factors of activated T-cells. Calcineurin inhibition prevents production of interleukin 2 (IL2), interleukin 4 (IL4), and the release of cytokines.
Product SpecificationsAscomycinImmunomycinFK520
Formula: C43H69NO12
MW: 792.00 g/mol
Storage/Handling: Store desiccated at -20°C.Soluble in methanol.
PubChem Chemical ID: 5282071
IPTG, X-Gal and X-Gluc
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没错!最开始,Gold Biotechnology只生产这三个产品,30年后的今天,Goldbio的产品已经超过3000种,涵盖:
琼脂糖树脂
抗生素
生化试剂
缓冲液
克隆与诱导
培养基添加剂
洗涤剂
DNA蛋白质电泳
酶、抑制剂和底物
生长因子
植物研究
蛋白质表达与纯化
还原剂……
目前Goldbio最核心的产品是:荧光素钾盐,X-gluc, 双丙氨磷,草胺磷 和 X-α-gal