Self-splicing of the group I intron from Anabaena pre-tRNA: requirement for base-pairing of the exons in the anticodon stem.
Zaug AJ, McEvoy MM, Cech TR. Self-splicing of the group I intron from Anabaena pre-tRNA: requirement for base-pairing of the exons in the anticodon stem. Biochemistry. 1993 Aug 10; 32(31):7946-53.