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Poly(ADP-ribosyl)ation of TRF-1 by Tankyrase may induce telomere opening

hsp90. Rad50/Mre11/Nbs1. 3 ’. telomerase. TRF1. pot-1. tankyrase. 5 ’. PARP-5. TRF2. Ku. hrap1. DNA-PKcs. Ku. Ku. DNA-PKcs. WRN. TRF2. TRF1. 5 ’. 3 ’. Tin2. dys. Poly(ADP-ribosyl)ation of TRF-1 by Tankyrase may induce telomere opening. “open” telomere. TRF1. H2O. +Nam.

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Poly(ADP-ribosyl)ation of TRF-1 by Tankyrase may induce telomere opening

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  1. hsp90 Rad50/Mre11/Nbs1 3 ’ telomerase TRF1 pot-1 tankyrase 5 ’ PARP-5 TRF2 Ku hrap1 DNA-PKcs Ku Ku DNA-PKcs WRN TRF2 TRF1 5 ’ 3 ’ Tin2 dys Poly(ADP-ribosyl)ation of TRF-1 by Tankyrase may induce telomere opening “open” telomere TRF1 H2O +Nam PARG tankyrase ADP-ribose NAD “closed” telomere Adapted from Goytisolo and Blasco (2002) Oncogene 21, 584 - 591

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