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Merck

P9620

Sigma-Aldrich

嘌呤霉素

Ready Made Solution, from Streptomyces alboniger, 10 mg/mL in H2O, suitable for cell culture

别名:

3′-(L-α-Amino-p-methoxyhydrocinnamamido)-3′-deoxy-N,N-dimethyladenosine dihydrochloride, Stylomycin dihydrochloride

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About This Item

CAS号:
MDL號碼:
分類程式碼代碼:
51281906
PubChem物質ID:
NACRES:
NA.85

生物源

Streptomyces alboniger

品質等級

種類

for cell culture

化驗

>98% (HPLC)

形狀

solution

儲存條件

(Store in cool place. Keep container tightly closed in a dry and well -ventilated place. )

濃度

10 mg/mL in H2O

技術

cell culture | mammalian: suitable

顏色

colorless to yellow

溶解度

H2O: soluble 10 mg/mL

抗生素活性譜

Gram-positive bacteria
neoplastics
parasites

作用方式

protein synthesis | interferes

運輸包裝

wet ice

儲存溫度

−20°C

SMILES 字串

Cl.Cl.COc1ccc(C[C@H](N)C(=O)N[C@H]2[C@@H](O)[C@@H](O[C@@H]2CO)n3cnc4c(ncnc34)N(C)C)cc1

InChI

1S/C22H29N7O5.2ClH/c1-28(2)19-17-20(25-10-24-19)29(11-26-17)22-18(31)16(15(9-30)34-22)27-21(32)14(23)8-12-4-6-13(33-3)7-5-12;;/h4-7,10-11,14-16,18,22,30-31H,8-9,23H2,1-3H3,(H,27,32);2*1H/t14-,15+,16+,18+,22+;;/m0../s1

InChI 密鑰

MKSVFGKWZLUTTO-FZFAUISWSA-N

一般說明

嘌呤霉素,也称杆菌肽或嘌啉霉素盐酸盐,是一种氨基核酸酶抗生素和蛋白质合成抑制剂。它是由土壤放线菌白黑链霉菌(Streptomyces alboniger)通过一系列酶促反应合成。嘌呤霉素有效抑制原核和真核细胞,其作用原理是干扰RNA功能,从而抑制蛋白质合成。它也充当氨基肽酶和脑啡肽酶的抑制剂。嘌呤霉素可以使细菌、原生动物、水藻和哺乳动物细胞的生长迅速停止,但是含pac基因的细胞有耐药性。 pac基因的基因产物是嘌呤霉素-N-乙酰基转移酶,这种酶通过乙酰化反应使嘌呤霉素失活。

嘌呤霉素与tRNA的含氨基末端结构相似,这一特性令其在蛋白质合成过程中进入核糖体,结合新生多肽链,并使链的延长停止。嘌呤霉素广泛用于细胞培养,可作为以耐嘌呤霉素基因转化的细胞的选择剂。

應用

嘌呤霉素是一种氨基核苷酸抗生素,衍生自白黑链霉菌。 它可以选择包含抗性基因嘌呤霉素 N-乙酰基转移酶(PAC)的细胞。 它被用在兔模型中,研究处理后的血管平滑肌细胞的生存能力。 嘌呤霉素用在体细胞克隆和胚胎移植后产生增强的绿色荧光蛋白(EGFP)转基因仔猪

生化/生理作用

作用机制:嘌呤霉素通过提前终止链来抑制蛋白质合成,作为氨基酰基-tRNA 的 3′ 末端的类似物起作用。嘌呤霉素还可作为二肽基肽酶 II(丝氨酸肽酶)和胞质溶胶丙氨酰氨基肽酶的可逆抑制剂起作用。

耐药性机制:嘌呤霉素乙酰转移酶是有效的抗性基因。

抗菌谱:该产品对革兰氏阳性微生物有活性,对耐酸杆菌的活性较低,对革兰氏阴性微生物的活性更低。 嘌呤霉素可以防止细菌、原生动物、藻类和哺乳动物细胞的生长,并且起效迅速,可在 2 天内杀死 99% 的细胞。

特點和優勢

  • 适用于多种研究应用的优质抗生素
  • 抗生素和蛋白质合成抑制剂
  • 有效抑制原核和真核细胞
  • 通过干扰RNA功能抑制蛋白质合成
  • 常用作细胞生物学研究中的选择剂

準備報告

将该产物以 10 mg/mL 的浓度浓缩在水中。已在转染了 pac 耐药基因的 HeLa 细胞上测试了其生长抑制和细胞选择的能力。

其他說明

保存于密闭容器内,置于干燥通风处。
如需了解生化试剂系列的更多信息,请填写此表

同類產品

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 2

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)


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