S-腺苷-L-甲硫氨酸转移酶结构式
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常用名 | S-腺苷-L-甲硫氨酸转移酶 | 英文名 | catechol o-methyltransferase |
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CAS号 | 9012-25-3 | 分子量 | 636.942 | |
密度 | 1.0±0.1 g/cm3 | 沸点 | 771.4±40.0 °C at 760 mmHg | |
分子式 | C38H68O7 | 熔点 | N/A | |
MSDS | 美版 | 闪点 | 227.5±20.8 °C |
S-腺苷-L-甲硫氨酸转移酶用途儿茶酚O-甲基转移酶(COMT)是甲基从S-腺苷甲硫氨酸向多巴胺上的羟基的镁依赖性转移,将其转化为3-甲氧基酪胺。儿茶酚O-甲基转移酶在组织中有两种形式,可溶性形式(S-COMT)和膜结合形式(MB-COMT)。儿茶酚O-甲基转移酶用于调节大脑中的肾上腺素、去甲肾上腺素和多巴胺水平[1]。 |
中文名 | S-腺苷-L-蛋氨酸 |
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英文名 | Catechol O-methyltransferases |
中文别名 | 儿茶酚氧位甲基转移酶 |
英文别名 | 更多 |
描述 | 儿茶酚O-甲基转移酶(COMT)是甲基从S-腺苷甲硫氨酸向多巴胺上的羟基的镁依赖性转移,将其转化为3-甲氧基酪胺。儿茶酚O-甲基转移酶在组织中有两种形式,可溶性形式(S-COMT)和膜结合形式(MB-COMT)。儿茶酚O-甲基转移酶用于调节大脑中的肾上腺素、去甲肾上腺素和多巴胺水平[1]。 |
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相关类别 | |
参考文献 |
密度 | 1.0±0.1 g/cm3 |
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沸点 | 771.4±40.0 °C at 760 mmHg |
分子式 | C38H68O7 |
分子量 | 636.942 |
闪点 | 227.5±20.8 °C |
精确质量 | 636.496521 |
LogP | 7.50 |
外观性状 | lyophilized powder |
蒸汽压 | 0.0±6.0 mmHg at 25°C |
折射率 | 1.507 |
储存条件 | -20°C密闭,避光,通风干燥处 |
稳定性 | Biochem/physiol Actions Major degradative enzyme for catecholamine neurotransmitters; methylates the o-hydroxyl group Unit Definition One unit will produce 1.0 nanomole of total O-methylated products from 3,4 dihydroxyacetophenone per hour at pH 7.6 at 37 °C. Previous radioactive assay unit definition: One unit will catalyze the methylation of 1.0 nanomole of protocatechuic acid per hr at pH 7.9 at 37°C using S-adenosyl-L-[methyl-14C]methionine as the methyl donor. (~6 radioactive units equal one new unit). Physical form Lyophilized powder containing phosphate buffer and dithiothreitol |
更多 | 1. 性状:冻干粉末。 2. 密度(g/mL,25℃):未确定 3. 相对蒸汽密度(g/mL,空气=1):未确定 4. 熔点(ºC):未确定 5. 沸点(ºC,常压):未确定 6. 沸点(ºC,5.2kPa):未确定 7. 折射率:未确定 8. 闪点(ºC):未确定 9. 比旋光度(º):未确定 10. 自燃点或引燃温度(ºC):未确定 11. 蒸气压(kPa,20ºC):未确定 12. 饱和蒸气压(kPa,60ºC):未确定 13. 燃烧热(KJ/mol):未确定 14. 临界温度(ºC):未确定 15. 临界压力(KPa):未确定 16. 油水(辛醇/水)分配系数的对数值:未确定 17. 爆炸上限(%,V/V):未确定 18. 爆炸下限(%,V/V):未确定 19. 溶解性:溶于水。 |
个人防护装备 | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
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危险品运输编码 | NONH for all modes of transport |
WGK德国 | 3 |
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MFCD00081488 |
2(5H)-Furanone, 3-[13-[5'-(1,5-dihydroxyundecyl)octahydro[2,2'-bifuran]-5-yl]-13-hydroxy-3-methyltridecyl]-5-methyl- |
EINECS 232-727-6 |
3-{13-[5'-(1,5-Dihydroxyundecyl)octahydro-2,2'-bifuran-5-yl]-13-hydroxy-3-methyltridecyl}-5-methyl-2(5H)-furanone |