Ku can contribute to telomere lengthening in yeast at multiple positions in the telomerase RNP.
Zappulla DC, Goodrich KJ, Arthur JR, Gurski LA, Denham EM, Stellwagen AE, Cech TR. Ku can contribute to telomere lengthening in yeast at multiple positions in the telomerase RNP. RNA. 2011 Feb; 17(2):298-311.