RNA Probes for Visualization of Sarcin/ricin Loop Depurination without Background Fluorescence
作者:Robin Klimek、Christoph Kaiser、Nina S. Murmann、Nina Kaltenschnee、Teresa Spanò、Josef Wachtveitl、Erin M. Schuman、Alexander Heckel
DOI:10.1002/asia.202201077
日期:2022.12.14
Depurination of a single nucleobase at the sarcinricinloop can knock out the entire ribosome. So far, however, this biochemical reaction could not be satisfactorily visualized. In this work, we demonstrate the design and characterization of a fluorescent probe that can exclusively detect depurinated RNA.
Selective Kainate Receptor (GluK1) Ligands Structurally Based upon 1<i>H</i>-Cyclopentapyrimidin-2,4(1<i>H</i>,3<i>H</i>)-dione: Synthesis, Molecular Modeling, and Pharmacological and Biostructural Characterization
The physiological function of kainate receptors (GluK1-GluK5) in the central nervous system is not fully understood yet. With the aim of developing potent and selective GluK1 ligands, we have synthesized a series of new thiophene-based GluK1 agonists (6a-c) and antagonists (7a-d). Pharmacological evaluation revealed that they are selective for the GluK1 subunit, with 7b being the most subtype-selective ligand reported to date (GluK1 vs GluK3). The antagonist 7a was cocrystallized with the GluK1 ligand binding domain, and an X-ray crystallographic analysis revealed the largest flexibility in GluK1 ligand binding domain opening upon binding of a ligand seen to date. The results provide new insights into the molecular Mechanism of GluK1 receptor ligand binding and pave the way to the development of new tool compounds for studying kainate receptor function.
EP1686999B1
申请人:——
公开号:EP1686999B1
公开(公告)日:2009-07-01
US3931204A
申请人:——
公开号:US3931204A
公开(公告)日:1976-01-06
[EN] COMPOUNDS ACTIVE ON GLUTAMATERGIC RECEPTORS<br/>[FR] COMPOSÉ AGISSANT SUR LES RÉCEPTEURS GLUTAMATERGIQUES
申请人:CAMPIANI GIUSEPPE
公开号:WO2008031888A2
公开(公告)日:2008-03-20
[EN] The present invention relates to a compound of Formula (I) process for its preparation and uses thereof. [FR] La présente invention concerne un composé représenté par la formule (I), un procédé de préparation de celui-ci et les utilisations de celui-ci.