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- Title
Crystallization and preliminary X-ray diffraction analysis of the mitochondrial transcription factor sc-mtTFB from Saccharomyces cerevisiae.
- Authors
Schubot, F D; Chen, C J; Rose, J P; Wang, B C
- Abstract
Eukaryotic mitochondria contain a distinct mini-chromosome. In yeast, transcription of the mitochondrial genome is mediated by a nuclear-encoded RNA polymerase consisting of a single polypeptide core enzyme and a specificity factor termed sc-mtTFB which bears some similarity to bacterial sigma-factors. sc-mtTFB from Saccharomyces cerevisiae has been cloned, expressed, purified and crystallized. The crystals belong to the monoclinic space group C2, with unit-cell parameters a = 89.7, b = 44.6, c = 98.9 A, beta = 110 degrees. Based on one molecule per asymmetric unit, the solvent content is estimated to be 48%. Small crystals of dimensions 0.01 x 0.05 x 0.13 mm diffract to at least 2.7 A resolution on a rotating-anode X-ray source.
- Publication
Acta crystallographica. Section D, Biological crystallography, 2000, Vol 56, Issue Pt 7, p902
- ISSN
0907-4449
- Publication type
Journal Article
- DOI
10.1107/s0907444900005060