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Structures of the chloroplast tRNAs showed the presence of a loop structure in the variable region: (a–c) tRNALeu; (d–f) tRNASer; (g) tRNATyr. Anti-codon loop had seven nucleotides with the conservative X-U-X3-A-A consensus sequence in these tRNAs. Loop structure of the variable region was observed to contain three to eight nucleotides from tRNALeu, tRNASer, and tRNATyr.
