The P4-P6 domain of the Tetrahymena thermophila self-splicing group I intron, ball and stick model with sugar phosphate backbone selected and hi-lighted at left.

Same view space filled and animated.

The P4-P6 domain of the Tetrahymena thermophila self-splicing group I intron. Space fill model with tetra loop receptor16a/6b selected and hilighted.

Space fill model with tetra loop receptor16a/6b selected, isolated, hilighted and animated.