期刊
ACTA CRYSTALLOGRAPHICA SECTION F-STRUCTURAL BIOLOGY COMMUNICATIONS
卷 69, 期 -, 页码 1224-1226出版社
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S1744309113025566
关键词
-
资金
- Major State Basic Research Development Program of China (973 Program) [2012CB114301]
The Arabidopsis thaliana glutathione peroxidase 3 (GPX3) gene encodes a glutathione peroxidase with roles in H2O2 homeostasis and signalling. The GPX3 gene sequence was cloned into pGEX-6P1 and overexpressed in Escherichia coli. The GPX3 protein was purified to homogeneity in two chromatographic steps. Various lengths of the GPX3 sequence were used to obtain proteins that yielded crystals using vapour-diffusion techniques, but only GPX3 Delta N36 (lacking 36 amino acids from the N-terminus) showed a good diffraction pattern. Its crystals diffracted to 2.8 angstrom resolution and belonged to space group P6(5), with unit-cell parameters a = b = 98.241, c = 42.057 angstrom.
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