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Science 18 June 1971:
Vol. 172. no. 3989, pp. 1234 - 1237
DOI: 10.1126/science.172.3989.1234
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Articles

X-ray Diffraction Patterns of Transfer RNA Consistent with the Presence of Short Parallel Helices in the Molecule

T. Sakurai 1, S. T. Rao 1, J. Rubin 1, and M. Sundaralingam 1

1 Department of Biochemistry, College of Agricultural and Life Sciences, University of Wisconsin, Madison 53706

X-ray diffraction data of yeast formylmethionine transfer RNA, Escherichia coli phenylalanine transfer RNA, and Escherichia coli arginine transfer RNA single crystals are compared with the Fourier transform of a helix. The results are consistent with the presence of short parallel double helical segments in the transfer RNA molecules.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)