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(A) Alignment of tRNATyr sequences from five sequenced chlorella virus genomes. The intron sequences are underlined; the “GTA” anticodon is in bold face type. (B) Alignment of tRNATyr intron sequences from five sequenced chlorella virus genomes. (C) Nucleotide identities between the tRNATyr intron sequences. Note that the percent identity is expressed out of 13 nts even though the ATCV-1 intron contains 10 nts.
