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Exploration of triple‐helical fragments: crystallization and preliminary X‐ray diffraction of d(TGGCCTTAAGG)

Exploration of triple‐helical fragments: crystallization and preliminary X‐ray diffraction of... The nonamer d(GCGAATTCG) and decamer d(GGCCAATTGG), containing one and two overhanging guanines, respectively, form G·GC triplets in their crystal packing. In order to introduce a third subsequent T·AT triplet, the decamer was further extended by one overhanging thymine residue. Two different crystal morphologies of the sequence d(TGGCCTTAAGG) were obtained by hanging‐drop vapour diffusion and diffracted to 2.5 and 2.3 Å resolution, respectively. However, both crystals belong to the orthorhombic space group P212121, with similar unit‐cell parameters. Therefore, the two data sets could be merged to a resolution of 2.4 Å with unit‐cell parameters a = 26.97, b = 41.12, c = 52.72 Å. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Crystallographica Section F Wiley

Exploration of triple‐helical fragments: crystallization and preliminary X‐ray diffraction of d(TGGCCTTAAGG)

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References (12)

Publisher
Wiley
Copyright
Copyright © 2007 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1744-3091
eISSN
1744-3091
DOI
10.1107/S1744309106054522
pmid
17183175
Publisher site
See Article on Publisher Site

Abstract

The nonamer d(GCGAATTCG) and decamer d(GGCCAATTGG), containing one and two overhanging guanines, respectively, form G·GC triplets in their crystal packing. In order to introduce a third subsequent T·AT triplet, the decamer was further extended by one overhanging thymine residue. Two different crystal morphologies of the sequence d(TGGCCTTAAGG) were obtained by hanging‐drop vapour diffusion and diffracted to 2.5 and 2.3 Å resolution, respectively. However, both crystals belong to the orthorhombic space group P212121, with similar unit‐cell parameters. Therefore, the two data sets could be merged to a resolution of 2.4 Å with unit‐cell parameters a = 26.97, b = 41.12, c = 52.72 Å.

Journal

Acta Crystallographica Section FWiley

Published: Jan 1, 2007

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