NMR structural study of N-terminal domain of RNA polymerase delta subunit from Bacillus subtilis

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Publikace nespadá pod Filozofickou fakultu, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
Název česky NMR strukturní studie N-terminální domény delta podjednotky RNA polymerasy z Bacilla subtila
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MOTÁČKOVÁ Veronika ŠANDEROVÁ Hana NOVÁČEK Jiří ŽÍDEK Lukáš KRÁSNÝ Libor SKLENÁŘ Vladimír

Rok publikování 2009
Druh Konferenční abstrakty
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
Popis Contrary to the well studied RNA polymerases of gram negative bacteria, RNA polymerase of Bacillus subtilis, a gram positive bacterium, contains two additional subunits, referred to as delta and omega1. A well-structured N-terminal domain of subunit delta has been overexpressed in an E. coli expression system, labeled with stable isotopes C-13 and N-15, and investigated by nuclear magnetic resonance. A standard set of triple resonance NMR experiments was measured and almost all resonances of the protein backbone were assigned. Resonance frequencies of the side-chains were assigned using 3D TOCSY- and NOESY-type spectra. Three-bond coupling constant J(HNHA) were obtained from 3D HNHA experiments. Chemical shifts of backbone nuclei, medium range NOEs, and the three-bond coupling constants were analyzed and secondary structure was predicted. Internuclear distance restraints were extracted from NOESY spectra and used in structure calculation.
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