Pepstatin A
别名: Pepstatin 中文名称：抑肽素
Pepstatin A (Pepstatin) 是一种强效的aspartic protease抑制剂, 并可抑制HIV的复制。Pepstatin A 也是 cathepsins D 和 cathepsins E 的抑制剂。Pepstatin A 通过抑制溶酶体蛋白酶来抑制自噬。
Pepstatin A Chemical Structure
CAS: 26305-03-3
产品质控
批次：
纯度：
99.76%
99.76
Pepstatin A相关产品
| 相关靶点 | HIV-1 capsid HIV-1 caspid | 点击展开 |
|---|---|---|
| 相关产品 | Limonin Temsavir (BMS-626529) | 点击展开 |
| 相关化合物库 | FDA药物库 天然产物库 已知活性药物库-I 蛋白酶抑制剂库 泛素化化合物库 | 点击展开 |
相关信号通路图
细胞实验数据示例
| 细胞系 | 实验类型 | 给药浓度 | 孵育时间 | 活性描述 | 文献信息 |
|---|---|---|---|---|---|
| MDA-MB-231 | Function assay | 3 days | Inhibition of secreted cathepsin D in human MDA-MB-231 cells using Mca-Gly-Lys-Pro-Ile-Leu-PhePhe-Arg-Leu-Lys-(Dnp)-D-Arg-NH2 as substrate pretreated for 3 days under pH 6.6 conditioned media followed by substrate addition measured at 5 mins interval for , IC50=0.0001μM. | 29087712 | |
| MDA-MB-231 | Function assay | 3 days | Inhibition of secreted cathepsin E in human MDA-MB-231 cells using Mca-Gly-Lys-Pro-Ile-Leu-PhePhe-Arg-Leu-Lys-(Dnp)-D-Arg-NH2 as substrate pretreated for 3 days under pH 6.6 conditioned media followed by substrate addition measured at 5 mins interval for , IC50=0.0001μM. | 29087712 | |
| MDA-MB-231 | Function assay | 4 hrs | Inhibition of cathepsin D in human MDA-MB-231 cells using Mca-Gly-Lys-Pro-Ile-Leu-PhePhe-Arg-Leu-Lys-(Dnp)-D-Arg-NH2 as substrate pretreated for 4 hrs followed by compound washout and subsequent substrate addition measured at 30 secs interval for 30 mins , IC50=0.1μM. | 29087712 | |
| MDA-MB-231 | Function assay | 4 hrs | Inhibition of cathepsin E in human MDA-MB-231 cells using Mca-Gly-Lys-Pro-Ile-Leu-PhePhe-Arg-Leu-Lys-(Dnp)-D-Arg-NH2 as substrate pretreated for 4 hrs followed by compound washout and subsequent substrate addition measured at 30 secs interval for 30 mins , IC50=0.1μM. | 29087712 | |
| MDA-MB-231 | Function assay | 4 hrs | Inhibition of cathepsin D in human MDA-MB-231 cells using Mca-Gly-Lys-Pro-Ile-Leu-PhePhe-Arg-Leu-Lys-(Dnp)-D-Arg-NH2 as substrate pretreated for 4 hrs followed by compound washout and subsequent 10 mins trypsinization prior to substrate addition measured , IC50=1μM. | 29087712 | |
| MDA-MB-231 | Function assay | 4 hrs | Inhibition of cathepsin E in human MDA-MB-231 cells using Mca-Gly-Lys-Pro-Ile-Leu-PhePhe-Arg-Leu-Lys-(Dnp)-D-Arg-NH2 as substrate pretreated for 4 hrs followed by compound washout and subsequent 10 mins trypsinization prior to substrate addition measured , IC50=1μM. | 29087712 | |
| MCF7 | Function assay | 1 hr | Inhibition of cathepsin D in human MCF7 cells treated for 1 hr measured after washout and trypsin treatment by fluorescence assay, IC50=5μM. | 19715320 | |
| MCF7 | Function assay | 1 hr | Inhibition of cathepsin E in human MCF7 cells treated for 1 hr measured after washout and trypsin treatment by fluorescence assay, IC50=5μM. | 19715320 | |
| MCF7 | Function assay | Inhibition of cathepsin D in human MCF7 cells by fluorescence assay, IC50=0.005μM. | 19715320 | ||
| MCF7 | Function assay | Inhibition of cathepsin E in human MCF7 cells by fluorescence assay, IC50=0.005μM. | 19715320 | ||
| NB1643 | qHTS assay | qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for NB1643 cells | 29435139 | ||
| A673 | qHTS assay | qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for A673 cells) | 29435139 | ||
| SK-N-MC | qHTS assay | qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for SK-N-MC cells | 29435139 | ||
| TC32 | qHTS assay | qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for TC32 cells | 29435139 | ||
| 点击查看更多细胞系数据 | |||||
生物活性
| 产品描述 | Pepstatin A (Pepstatin) 是一种强效的aspartic protease抑制剂, 并可抑制HIV的复制。Pepstatin A 也是 cathepsins D 和 cathepsins E 的抑制剂。Pepstatin A 通过抑制溶酶体蛋白酶来抑制自噬。 | |||
|---|---|---|---|---|
| 靶点 |
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| 体外研究(In Vitro) | ||||
| 体外研究活性 | Pepstatin A对天冬氨酸蛋白酶比如蛋白质，组织蛋白酶D和E表现出有效的抑制作用。在HIV感染的H9细胞中，pepstatin A抑制部分细胞内HIV gag蛋白质的合成，而对HIV感染的细胞没有显著毒性。[1] Pepstatin A通过阻断ERK信号并抑制NFATc1的表达抑制破骨细胞的增殖。[2] |
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化学信息&溶解度
| 分子量 | 685.89 | 分子式 | C34H63N5O9 |
| CAS号 | 26305-03-3 | SDF | Download Pepstatin A SDF |
| Smiles | CC(C)CC(C(CC(=O)O)O)NC(=O)C(C)NC(=O)CC(C(CC(C)C)NC(=O)C(C(C)C)NC(=O)C(C(C)C)NC(=O)CC(C)C)O | ||
| 储存条件(自收到货起) | |||
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体外溶解度 |
DMSO : 50 mg/mL ( (72.89 mM) ；DMSO吸湿会降低化合物溶解度，请使用新开封DMSO) Ethanol : 3 mg/mL (4.37 mM) Water : Insoluble |
摩尔浓度计算器 |
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体内溶解度 现配现用，请按从左到右的顺序依次添加，澄清后再加入下一溶剂 |
动物体内配方计算器 | ||||
实验计算
动物体内配方计算器（澄清溶液）
第一步：请输入基本实验信息（考虑到实验过程中的损耗，建议多配一只动物的药量）
mg/kg
g
μL
只
第二步：请输入动物体内配方组成（配方适用于不溶于水的药物；不同批次药物配方比例不同，请联系Selleck为您提供正确的澄清溶液配方）
% DMSO
%
% Tween 80
% ddH2O
%DMSO
%
计算结果：
工作液浓度： mg/ml；
DMSO母液配制方法： mg 药物溶于μL DMSO溶液（母液浓度mg/mL，注：如该浓度超过该批次药物DMSO溶解度，请先联系Selleck）；
体内配方配制方法：取μL DMSO母液，加入μL PEG300，混匀澄清后加入μL Tween 80，混匀澄清后加入μL ddH2O，混匀澄清。
体内配方配制方法：取μL DMSO母液，加入μL Corn oil，混匀澄清。
注意：1. 首先保证母液是澄清的；
2.一定要按照顺序依次将溶剂加入，进行下一步操作之前必须保证上一步操作得到的是澄清的溶液，可采用涡旋、超声或水浴加热等物理方法助溶。
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常见问题及建议解决方法
问题 1:
Do you have recommended in-vivo solvent for S7381 please?
回答：
S7381 could be dissolved in 5%DMSO+40%PEG300+5%tween-80+ddH2O up to 2mg/ml.
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