Purification and crystallization of Vibrio fischeri CcdB and its complexes with fragments of gyrase and CcdA.
Acta Crystallogr Sect F Struct Biol Cryst Commun
; 63(Pt 4): 356-60, 2007 Apr 01.
Article
em En
| MEDLINE
| ID: mdl-17401216
ABSTRACT
The ccd toxin-antitoxin module from the Escherichia coli F plasmid has a homologue on the Vibrio fischeri integron. The homologue of the toxin (CcdB(Vfi)) was crystallized in two different crystal forms. The first form belongs to space group I23 or I2(1)3, with unit-cell parameter a = 84.5 A, and diffracts to 1.5 A resolution. The second crystal form belongs to space group C2, with unit-cell parameters a = 58.5, b = 43.6, c = 37.5 A, beta = 110.0 degrees, and diffracts to 1.7 A resolution. The complex of CcdB(Vfi) with the GyrA14(Vfi) fragment of V. fischeri gyrase crystallizes in space group P2(1)2(1)2(1), with unit-cell parameters a = 53.5, b = 94.6, c = 58.1 A, and diffracts to 2.2 A resolution. The corresponding mixed complex with E. coli GyrA14(Ec) crystallizes in space group C2, with unit-cell parameters a = 130.1, b = 90.8, c = 58.1 A, beta = 102.6 degrees, and diffracts to 1.95 A. Finally, a complex between CcdB(Vfi) and part of the F-plasmid antitoxin CcdA(F) crystallizes in space group P2(1)2(1)2(1), with unit-cell parameters a = 46.9, b = 62.6, c = 82.0 A, and diffracts to 1.9 A resolution.
Texto completo:
1
Bases de dados:
MEDLINE
Assunto principal:
Proteínas de Bactérias
/
DNA Girase
/
Aliivibrio fischeri
Idioma:
En
Revista:
Acta Crystallogr Sect F Struct Biol Cryst Commun
Ano de publicação:
2007
Tipo de documento:
Article
País de afiliação:
Bélgica