ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Comparison of group I intron sequences reveals a striking covariation of the second and third base pairs of stem P4 and the first and second nucleotides, respectively, of the single-stranded segment J6/7 (see Fig. la). Base pair two of stem P4 is most often G-C or C-G; when P4-2 is G-C, the first ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/347578a0
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