J 2013

Structural Study of the Partially Disordered Full-Length delta Subunit of RNA Polymerase from Bacillus subtilis

PAPOUŠKOVÁ, Veronika, Pavel KADEŘÁVEK, Olga OTRUSINOVÁ, Alžběta RABATINOVÁ, Hana ŠANDEROVÁ et. al.

Basic information

Original name

Structural Study of the Partially Disordered Full-Length delta Subunit of RNA Polymerase from Bacillus subtilis

Authors

PAPOUŠKOVÁ, Veronika (203 Czech Republic, belonging to the institution), Pavel KADEŘÁVEK (203 Czech Republic, belonging to the institution), Olga OTRUSINOVÁ (203 Czech Republic, belonging to the institution), Alžběta RABATINOVÁ (203 Czech Republic), Hana ŠANDEROVÁ (203 Czech Republic), Jiří NOVÁČEK (203 Czech Republic, belonging to the institution), Libor KRÁSNÝ (203 Czech Republic), Vladimír SKLENÁŘ (203 Czech Republic, belonging to the institution) and Lukáš ŽÍDEK (203 Czech Republic, guarantor, belonging to the institution)

Edition

ChemBioChem, WEINHEIM, WILEY-VCH Verlag, 2013, 1439-4227

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10600 1.6 Biological sciences

Country of publisher

Germany

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 3.060

RIV identification code

RIV/00216224:14740/13:00066324

Organization unit

Central European Institute of Technology

UT WoS

000325851800012

Keywords in English

NMR spectroscopy; RNA polymerase; partially disordered proteins; protein structures; delta subunit

Tags

Tags

International impact, Reviewed
Změněno: 4/4/2014 08:42, Olga Křížová

Abstract

V originále

The partially disordered delta subunit of RNA polymerase was studied by various NMR techniques. The structure of the well-folded N-terminal domain was determined based on inter-proton distances in NOESY spectra. The obtained structural model was compared to the previously determined structure of a truncated construct (lacking the C-terminal domain). Only marginal differences were identified, thus indicating that the first structural model was not significantly compromised by the absence of the C-terminal domain. Various 15 N relaxation experiments were employed to describe the flexibility of both domains. The relaxation data revealed that the C-terminal domain is more flexible, but its flexibility is not uniform. By using paramagnetic labels, transient contacts of the C-terminal tail with the N-terminal domain and with itself were identified. A propensity of the C-terminal domain to form beta-type structures was obtained by chemical shift analysis. Comparison with the paramagnetic relaxation enhancement indicated a well-balanced interplay of repulsive and attractive electrostatic interactions governing the conformational behavior of the C-terminal domain. The results showed that the delta subunit consists of a well-ordered N-terminal domain and a flexible C-terminal domain that exhibits a complex hierarchy of partial ordering.

Links

ED1.1.00/02.0068, research and development project
Name: CEITEC - central european institute of technology
GA13-16842S, research and development project
Name: PODJEDNOTKY URČUJÍCÍ DNA SPECIFICITU BAKTERIÁLNÍ RNA POLYMERÁZY S FLEXIBILNÍMI DOMÉNAMI: FUNKCE A DYNAMIKA
Investor: Czech Science Foundation
GA204/09/0583, research and development project
Name: Delta podjednotka RNA polymerázy z Gram pozitivních bakterií (Acronym: DELTA)
Investor: Czech Science Foundation