Browsing by Author "Lin, Yan-Ling"

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Purification, crystallization and preliminary X-ray analysis of a thermostable direct haemolysin from Grimontia hollisae
(2011-02-01)
Wang, Yu-Kuo
;
Huang, Sheng-Cih
;
Wu, Yi-Fang
;
Chen, Yu-Ching
;
Chen, Wen-Hung
Vibrio hollisae, a halophilic species recently reclassified as Grimontia hollisae, is a causative agent of gastroenteritis and septicaemia. One important pathogenic Vibrio factor, thermostable direct haemolysin (TDH), has been purified and crystallized in two crystal forms using the vapour-diffusion method. The crystals belonged to an orthorhombic space group, with unit-cell parameters a = 104.8, b = 112.4, c = 61.3 angstrom and a = 122.9, b = 123.3, c = 89.8 angstrom. The crystals contained either four or eight molecules per asymmetric unit, with predicted solvent contents of 49.4 and 46.3% and Matthews coefficients (V(M)) of 2.4 and 2.3 angstrom(3) Da(-1), respectively. These crystals were suitable for structure determination, which would yield structural details related to the cytotoxicity and oligomeric structure of this pore-forming toxin.