Measurement and ab initio calculation of CSA/dipole- dipole cross-correlated relaxation provide insight into the mechanism of a H2-forming dehydrogenase

被引:7
作者
Bartoschek, S
Buurman, G
Geierstanger, BH
Lapham, J
Griesinger, C
机构
[1] Univ Marburg, Max Planck Inst Terr Mikrobiol, D-35043 Marburg, Germany
[2] Univ Marburg, Mikrobiol Lab, Fachbereich Biol, D-35043 Marburg, Germany
[3] Max Planck Inst Biophys Chem, D-37077 Gottingen, Germany
[4] Genom Inst Novartis Res Fdn, San Diego, CA 92121 USA
[5] Fed Univ Rio De Janeiro, Ctr Nacl Ressonancia Magnet Nucl, BR-21941590 Rio De Janeiro, Brazil
关键词
2-DIMENSIONAL NMR-SPECTROSCOPY; METAL-FREE HYDROGENASE; TENSORIAL INTERACTIONS; THYMIDYLATE SYNTHASE; METHANOGENIC ARCHAEA; ANGLES; STEREOSPECIFICITY; SUBSTRATE;
D O I
10.1021/ja029953i
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Using transferred cross-correlated relaxation and DFT calculations, the conformation of the relevant conformation of N5,N10-methylenetetrahydromethanopterin, a reaction intermediate bound to the 80 kD H2-forming N5,N10-methylenetetrahydromethanopterin dehydrogenase is determined. The conformation of the intermediate differs from the free form in solution and makes the reaction mechanism plausible. Copyright © 2003 American Chemical Society.
引用
收藏
页码:13308 / 13309
页数:2
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