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Table 2 Conserved nucleotides in gymnosperm chloroplast tRNAs. AC arm: acceptor arm; ANC arm: anticodon arm; ANC loop: anticodon loop; Ψ-arm: pseudouridine arm; Ψ-loop: pseudouridine loop

From: Evolution and structural variations in chloroplast tRNAs in gymnosperms

tRNA Isotype Anticodon AC arm D-arm D-loop ANC arm ANC loop Variable region Ψ-arm Ψ-loop
Ala UGC G-G-G-G-A-U-A G-C-U-C A-G-U-U-G-G-U-A C-C-G-C-U C-U-U-G-C-A-A A-U-G-U-C A-G-C-G-G U-U-C-G-A-G-U
Gly GCC G-C-G-G-G-U-A G-U-X0–1 G0–1-A-A-U-G-G-U-A-X0–1 U-C-U-C-C/U U-U-G-C-C-A-A/G A-G-A-U G-C-G-G-G U-U-C-G-A-U-C/U
UCC G-C-G-G-G-U-A G-U-U-U A-G-U-G-G-U-A U-A-G-C C-U-U-C-C-A-A A-C-G-A-U G-C-G-G-G U-U-C-G-A-U-U
Pro GGG C-G-G-A/G-G-U/C-A A/G-C-G-C A-G-C/U-U-U-G-G-U-A C-C-A-U-C U-U-G-G-G-G-U A-A/G-G-U-C G-C/U-G-G-G U-U-C-A-A/G-A-U
UGG A-G-G-G-A-U-G G-C-G-C A-G-C-U-U-G-G-U-A U-U-U-G-U U-U-U-G-G-G-U A-U-G-U-C G-C-G/A-G-G U-U-C-A-A-A-U
Thr GGU G0–1-C-C-C-U-U-U A/G-C-U-C A-G-X-G-G-G-U-A A-X-G-C-C A-U-G-G-U-A-A A-G-G-U-C A-U-C-G-G U-U-C-A-A-A/G-U/C
UGU X0–1-G-C-C-U/C-G-C-U G-C-U-C A-G-A-G-G-U-U/G-A U0–1-C-G-C-A C-U-U-G-U-A-A U/C-G-G-U-C A-U-C-G-G U-U-C-G-A-U-U/C
Ser GCU G-G-A-G-A-G-A G-C-U G-A-G-X-G-G-A-C/U-C/U-A-A G-U/C-G-G-A U-U-G-C-U-A-A G-U-A-C-X2–3 G-A-G-G-G U-U-C-G-A-A-U
GGA G-G-A-A-A-G-A G-C-C/U G-A-G-C/U-G-G-U-U-C-A-A U-A-G-C-A U-U-G-G-A-A-C G-U-A-G-X-C/U G-A/G-G-G-G U-U-C-G-A-A-U
UGA G-G-A-G-A-G-A G-C-C-G A-G-U-G-G-U-U-X-A C-C/U-G-G-U C-U-U-G-A-A-A A-U-A-G-X0–2 G-A-G-G-G U-U-C-A/G-A-A-U
Val GAC A-G-G-G-A-U-A A-C-U-C A-G-C/U-G-G-U/G-A U-C-A-C-C/U U-U-G-A-C-X-U U/A-A-G-U-C A-U-C-A/G-G U-U-C-G/A-A-X2
UAC A-G-G-G-C-U-A G-C-U-C A-G-C-X1–2-G-G-U-A C-U-C-G U-U-U-A-C-A-C-X0–2 A-A-G-G-U-C U-A-C-G-G U-U-C-G-A-G-C/U
Arg ACG G-G-G-C-C-U-G G-C-U-C A-G-A-G-G-A-U-X-A C-G-U-G-G C/U-U-A-C-G-A-A G-U-G-U-C G-G-G-G-G U-U-C-A/G-A-A-U
CCG G-G-G-U-U-A/G-G G-C-U-C A-G-U-G-G-A-U-C-A C-A-U-G-G U-U/C-C-C-G-G-A G/A-G/A-G-U/C-C A-A-G-G-G U-U-C-A/G-A-A-U
UCU G/A-C-G-U-C-C-A G-U-C-U A-A-U-G-G-A-U/A-A G-A/G-G-G-U C-U-U-C-U-A-A X2-G-U A-U-A-G-G U-U-C-A/G-A-A-U
Leu CAA G-C-C-U-U-G-A G-U-G G/A-A-A-U-G-G-U-A-G-A C-G-A-G/C-A0–1 X1–2-U-C-A-A-A-A-X0–1 G-C-U G/A-G-A-G-G U-U-C-G-A-A/G-U
GAG G-G-G-C-U-A-U G-C-U-C A-G-C-G-G-U-A U-G-C-C-C C-U-G-A-G-A-A G-G-G-U-C U-C-U-G-G U-U-C-A-A-G-U
UAA G-G-G-G-A-U-A G-C-G G-A-A-U-U/C-G-G-U-A-G/C-A A-C-G-G-A C-U-U-A-A-A-A X2–15-U G-A-G-G-G U-U-C-A/G-A-A/G-U
UAG G-C-C-G-C-C-A G-U-G A-A-A-U-U/A-G-G-U-A-G-A C-C/U-G-C/U-U C-U-U-A-G-G-X X0–1-G-C-X8 C-U-C-G-G U-U-C-A/G-A-A-U
Lys UUU G-U-U-G-X A-C-U-C A-A-U-G-G-U/C-A U-C-G-G C-U-U-U-U-A-A X2-A-G-C/U-U C-C-G-G-G U-U-C-A/G-A-A/G-U
Phe GAA G-C-C-G-G-G-A G-C-U-C A-G-U-U-G-G-U-A G-A-G-G-A C-U-G-A-A-A-A G-U-G-C/U-C A-C-C-A-G U-U-C-A-A-X-U
Asn GUU U-C-C-U/C-C-A-A/G G-C-U-C A-G-X-G-G-U-A G-U-C-G-G C-U-G-U-U-A-A U-A/G-G-U-C G-U-A-G-G U-U-C-A/G-A-A-U
Asp GUC G-G-G-A-U-U-G G-U-U-C A-A-U-U-G-G-U-C/U-A C-C-G-C/U-C C-U-G-U-C-A-A A-A-G-U-U G/A-C-G-G-G U-U-C-G-A-G-C/U
Glu UUC G-C-C-C-C-U-A G-U-C-U A-G-U-G-G-X-C-C-A U-C-U-C-U C-U-U-U-C-A-A C-A-A/G-C G-G-G-G-A U-U-C-G-A-X-U
His GUG G-X-G-G-A-C-G G-C-C A-A-G-U-G-G-X2–4-A-A G-U-G-G-A U-U-G-U-G-A-A C-A-C-G/A-C G-C-G-G-G U-U-C-A/G-A-U-C/U
Gln UUG U-G-G-G-G-C/U-G G-C-C A-A-G-C/U-G-G-U-A-A A/G-C-A/G-G-G U-U-U-U-G-A/G-U U-A-X2–3-C G-A/G-A-G-G U-U-C-G-A-A-U
fMet CAU X0–1-G-C-G-G-A/G-G G-A-G-C/U A-G-U/C-U/C-U-G-G-U-A C-A/G-A-G-G C-U-C-A-U-A-A A-A/G-G-X-C A-C/U-G-G-G U-U-C-A-A-A-U
Met CAU A/G-C-C/A-C/U-A-C-U/A X-C-U-C A-A/G-U-G-G-U/G-U-A U/C-C-X3 C/U-U-C-A-U-A-A/C G/A-A/G-G-U-C X-U-U-G-G U-U-C-A-A-X-U
Ile CAU G-C/U-A-U-C-C/U-A G-C-U G-A-A-U/C-G-G-U-U/A-A-A C-C-C-A-A C-U-C-A-U-A-A A-A-X-U-C G-C-A/G-G-G U-U-C-A-A-U-U
GAU G-G-G-C-U-X2 G-C-U-C A-G-C/U-G-G-U-A C-G-C-C-C C-U-X-A-U-A-A A-G-G-U/A-C X-C-X-G-G U-U-C-A-A-X2
Tyr GUA G-G-G-U-C-G-A C-C-C-G A-G-U-G-G-C/U-U-A/C-A A-C-G-G-X X-U-G-U-A-A-A G-G-X1–14 G-C-U/A-G/A-G/U U-U-C-A-A-A-U
Cys GCA G-G-X-G-A/G-C/U-A G-C-C A-A-G-U/C-G-G-U-A-A G/C-A/G-A/G-G-A C-U-G-C-A-A-A X-A-U-C C-C-C-A-G U-U-C-A/G-A-A-U
Trp CCA X2-G-C-U-C-U G-U-U-X A-G-X3-G-G-U-A X2-G-G-U C-U-C-C-A-A-A A-U-G-U/C-C G-U-A-G-G U-U-C-A-A-A-U