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. 1999 Jun 8;96(12):7005–7010. doi: 10.1073/pnas.96.12.7005

Table 1.

Sequence identity between Twort orf142 introns and the T4 nrdB intron

orf142-I2 orf142-I3 T4 nrdB
orf142-I1 147/212 (69%) 144/212 (68%) 131/212 (62%)
orf142-I2 181/212 (85%) 148/212 (70%)
orf142-I3 152/212 (72%)

Number of identical nucleotides of 212 compared positions are given.