TABLE 2.

Summary of the variety of epitope tags used in this study and the phenotypes of endogenous tagging

N-tag TERT	Size of insertion (bp)	Expression	Telomerase activity	Telomere length	Repeat addition processivity
Halo-GS10	966	Lower than wta	Lower than wta	Shorter than wta
Flag-GS20	210	Higher than wt	wt level	Shorter than wt
YbbR	153	Lower than wt	Lower than wt	Shorter than wt
Flag-GS10	144	Higher than wt	∼1.3-fold higher than wt	wt level
Flag	78	wt level	wt level	Shorter than wt	Low
HA	39	Higher than wt	Lower than wt	Shorter than wt	Low

^aData not shown. wt, wild type.