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. 2020 Nov 25;8:e10312. doi: 10.7717/peerj.10312

Figure 4. Clover leaf-like structure of gymnosperms tRNA.

Figure 4

The tRNA contains the Acceptor arm (6–7 bp, dark green, >96% conserved), D-arm (3–4 bp, light blue, >65% conserved), D-loop (7–11 nt, purple, >80% conserved), Anti-codon arm (5 bp, dark blue, >75% conserved), anti-codon loop (7 nt, gray, >99% conserved), variable region (3–23 nt, orange, >45% conserved), Ψ-arm (5 bp, light purple, >97% conserved), and Ψ-loop (7 nt, green, >95% conserved). “% conservation” means the conservative ratio of base identities in each stem and loop structure of the whole set of gymnosperm tRNAs. Several tRNAs harbor the nucleotides of C-C-A tail.