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Structure of a yeast non-initiating methionine-tRNA gene.

4 to 8 kb Hind III fragments of yeast DNA were cloned into pBR322. One of these clones (pY6m3) containing a single tRNA3Met gene has been characterized in detail. The DNA sequence of the structural gene is colinear with the tRNA sequence, which means that in this case no intervening sequence is present. The 5'-leader and 3'-trailer sequences have also been determined. The 5'-flanking region can be folded up into possible secondary structures.