Crystallization and preliminary X-ray diffraction analysis of the a subdomain of Lon protease from Brevibacillus thermoruber
Journal
Acta Crystallographica Section F: Structural Biology and Crystallization Communications
Journal Volume
69
Journal Volume
69
Journal Issue
8
Journal Issue
8
Pages
899-901
Start Page
899
End Page
901
ISSN
17443091
Date Issued
2013-08
Author(s)
Abstract
DNA-binding ability has previously been reported as a novel function for the thermostable Lon protease from Brevibacillus thermoruber WR-249 (Bt-Lon), and the α subdomain (amino acids 491-605) of Bt-Lon has been identified as being responsible for DNA binding. However, the physiological role and DNA-recognition mode of Bt-Lon still remain unclear. In this study, the crystallization and preliminary crystallographic analysis of the Bt-Lon α subdomain are presented. Native diffraction data to 2.88 Å resolution were obtained from a vitrified crystal at 100 K on the BL13C1 beamline at the NSRRC (National Synchrotron Radiation Research Center), Taiwan. The crystals belonged to space group P23, with unit-cell parameters a = b = c = 94.28 Å. Solvent-content calculations and molecular-replacement results suggest that there are two molecules of Bt-Lon α subdomain per asymmetric unit.
Subjects
Brevibacillus thermoruber
DNA binding
Lon protease
Type
journal article