Poly-tRNA Structure in the Bacilluis Subtilis rrnB Operon is a Relic of an Early Peptide-Synthesizing Ribozyme Co-Ancestral to the E. coli trpE Gene and the Exon 2 of the Chicken Triose-Phosphate Isomerase Gene

Koji OHNISHI [1] (ohnishi@sc.niigata-u.ac.jp)
Hiroshi YANAGAWA [2]

[1] Fac. of Science, Niigata Univ.,
Ikarashi-2, Niigata, 950-21.
[2] Mitsubishi-Kasei Inst. of Life Science, Machida, Tokyo, 194 ,Japan