- ￥223
- Sigma-Aldrich
- 进口
- I3750-5G-A
- 2026年04月15日
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- 文献和实验
- 技术资料
- 保存条件：
常温
- 保质期：
根据瓶身LOT号查询
- 英文名：
3-Indoleacetic acid
- 库存：
有现货
- 供应商：
浙江羽翔生物科技有限公司
- CAS号：
87-51-4
- 规格：
5G
属性
Quality Level
200
assay
98%
mp
165-169 °C (lit.)
SMILES string
OC(=O)Cc1c[nH]c2ccccc12
InChI
1S/C10H9NO2/c12-10(13)5-7-6-11-9-4-2-1-3-8(7)9/h1-4,6,11H,5H2,(H,12,13)
InChI key
SEOVTRFCIGRIMH-UHFFFAOYSA-N
General description
Application
(±)-Harmacine is a vital step in the synthesis of a variety of indole alkaloids and dopamine/serotonin receptor ligands. IAA can also be used in the preparation of alkaloid (±)-19-hydroxyibogamine.
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文献和实验Mammalian frataxin directly enhances sulfur transfer of NFS1 persulfide to both ISCU and free thiols.
Friedreich's ataxia is a severe neurodegenerative disease caused by the decreased expression of frataxin, a mitochondrial protein that stimulates iron-sulfur (Fe-S) cluster biogenesis. In mammals, the primary steps of Fe-S cluster assembly are performed by the NFS1-ISD11-ISCU complex via the formation of a persulfide intermediate on NFS1. Here we show that frataxin modulates the reactivity of NFS1 persulfide with thiols. We use maleimide-peptide compounds along with mass spectrometry to probe cysteine-persulfide in NFS1 and ISCU. Our data reveal that in the presence of ISCU, frataxin enhances the rate of two similar reactions on NFS1 persulfide: sulfur transfer to ISCU leading to the accumulation of a persulfide on the cysteine C104 of ISCU, and sulfur transfer to small thiols such as DTT, L-cysteine and GSH leading to persulfuration of these thiols and ultimately sulfide release. These data raise important questions on the physiological mechanism of Fe-S cluster assembly and point to a unique function of frataxin as an enhancer of sulfur transfer within the NFS1-ISD11-ISCU complex.
实验87 华氏呼吸计 原理 动、植物细胞和组织的许多代谢过程，往往发生气体变化，其变化的速度，可以用测压计法来测定，华氏呼吸计是实验室中常用的测压法。测压法的原理是，在固定体积并保持温度一定的密闭系统中，气体数量上的变化（产生或消失），可以从此系统中气体压力的变化进行测量。气体产生或消失的总量，可以按照气体定律求得。 仪器的构造 国产SKW—2型
4) 0.87 gSodium phosphate monobasic (Na2HPO4* H2O) 0.54 gSodium chloride 8.5 gHPLC water 1.00 LAdgust PH to 7.4 with 1N NaOH 1M HClSLGMA Immunp Chemical SIGMA DiagnosticsAnti-mouse IgG (Fab specific) Sigma 104 PhosphataseAlaline Phosphatase conjugate
一、TBS的配制 0.05 M TBS ( pH7.4 ) 的配制： Tris ( 三羟甲基胺基甲烷 ) 12.1g NaCl 17.5g 加蒸馏水 1500ml 磁性搅拌下滴加浓HCl至pH为7.4，再加蒸馏水至2000ml，即可。 如需含1% Triton X-100，则在滴加HCl前先加入20
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