tokens: A subset of mutations in the Psi synthase domain impairs association of the altered Cbf5p proteins with selected box H / ACA snoRNAs , suggesting that the functional catalytic domain is essential for that interaction .
folded_tokens: a subset of mutation in the psus synthase domain impair association of the altered cbf5p protein with select box h / aca snorna , suggest that the functional catalytic domain be essential for that interaction .