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Crystallization and preliminary X-ray crystallographic studies of DesR, a thermosensing response regulator in a two-component signalling system from Streptococcus pneumoniae

Authors
Park, Ae KyungBong, Seung MinMoon, Jin HoChi, Young Min
Issue Date
7월-2009
Publisher
INT UNION CRYSTALLOGRAPHY
Keywords
Fatty-acid desaturation; Response regulators; Two-component systems
Citation
ACTA CRYSTALLOGRAPHICA SECTION F-STRUCTURAL BIOLOGY COMMUNICATIONS, v.65, pp.727 - 729
Indexed
SCIE
SCOPUS
Journal Title
ACTA CRYSTALLOGRAPHICA SECTION F-STRUCTURAL BIOLOGY COMMUNICATIONS
Volume
65
Start Page
727
End Page
729
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/119729
DOI
10.1107/S1744309109023082
ISSN
2053-230X
Abstract
The response regulator DesR, which activates the transcription of the des gene by binding to a regulatory region, is essential for controlling the fluidity of membrane phospholipids. DesR from Streptococcus pneumoniae was over-expressed in Escherichia coli. The protein was purified and crystallized for structural analysis. Diffraction data were collected to 1.7 angstrom resolution using synchrotron radiation and the crystals belonged to the orthorhombic space group P2(1)2(1)2(1), with unit-cell parameters a = 46.91, b = 71.38, c = 117.73 angstrom. Assuming the presence of a dimer in the asymmetric unit, this corresponds to a V-M of 2.21 angstrom(3) Da(-1).
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생명과학대학 (생명공학부)
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