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Acta Crystallogr Sect F Struct Biol Cryst Commun. 2009 Jul 1;65(Pt 7):688-91. doi: 10.1107/S1744309109019514. Epub 2009 Jun 27.

Crystallization and preliminary X-ray diffraction studies of the tetramerization domain derived from the human potassium channel Kv1.3.

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1
Department of Biophysics and Physical Biochemistry, University of Regensburg, D-93040 Regensburg, Germany.

Abstract

The tetramerization domain (T1 domain) derived from the voltage-dependent potassium channel Kv1.3 of Homo sapiens was recombinantly expressed in Escherichia coli and purified. The crystals were first grown in an NMR tube in 150 mM potassium phosphate pH 6.5 in the absence of additional precipitants. The crystals showed I4 symmetry characteristic of the naturally occurring tetrameric assembly of the single subunits. A complete native data set was collected to 1.2 A resolution at 100 K using synchrotron radiation.

PMID:
19574640
PMCID:
PMC2705635
DOI:
10.1107/S1744309109019514
[Indexed for MEDLINE]
Free PMC Article

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