A program for the identification of tRNA-like structures in DNA sequence data
1986
Marvel, C.C.
A computer algorithm has been developed which identifies tRNA genes and tRNA-like structures in DNA sequences. The program searches the sequence string for specific base positions that correspond to the invariant and semi-invariant bases found in tRNAs. The tRNA nature of the sequence is confirmed by the presence of complementary base pairing at the tRNA's calculated 5' and 3' ends (which in situ constitutes the amino-acyl stem region). The program achieves greater than 96% accuracy when run against known tRNA sequences in the GenBank database. The program is modular and is readily modified to allow searching either a file or database. The program is written in "C" and operates on a D.E.C. Vax 750. The utility of the algorithm is demonstrated by the identification of a distinctive tRNA structure in an intron of a published bovine hemoglobin gene.
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