Protein preparation, crystallization and preliminary X-ray crystallographic studies of a thermostable hypoxanthine-guanine phosphoribosyltransferase from Thermoanaerobacter tengcongensis.
Acta Crystallogr D Biol Crystallogr
; 59(Pt 10): 1863-5, 2003 Oct.
Article
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| MEDLINE
| ID: mdl-14501139
ABSTRACT
Native and His-tagged mutant (L160I) hypoxanthine-guanine phosphoribosyltransferase (HGPRT) from Thermoanaerobacter tengcongensis were cloned, expressed in Escherichia coli and purified. Both proteins were crystallized with polyethylene glycol as the main precipitant at 293 K using the hanging-drop vapour-diffusion method. The crystal of native HGPRT belongs to space group C222(1), with unit-cell parameters a = 65.77, b = 137.73, c = 95.27 A, and diffracted to 2.2 A resolution on an in-house X-ray generator. The crystal of the His-tagged mutant (L160I) HGPRT belongs to the space group I222, with unit-cell parameters a = 52.21, b = 88.36, c = 93.03 A, and diffracted to 1.7 A resolution in-house.
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Base de datos:
MEDLINE
Asunto principal:
Bacillaceae
/
Hipoxantina Fosforribosiltransferasa
Idioma:
En
Revista:
Acta Crystallogr D Biol Crystallogr
Año:
2003
Tipo del documento:
Article