part_of telomere repeat_region X_element_combinatorial_repeat sequence INSDC_feature:repeat_region 2009-11-10T11:03:37Z An X element combinatorial repeat is a repeat region located between the X element and the telomere or adjacent Y' element. kareneilbeck X element combinatorial repeats contain Tbf1p binding sites, and possible functions include a role in telomerase-independent telomere maintenance via recombination or as a barrier against transcriptional silencing. These are usually present as a combination of one or more of several types of smaller elements (designated A, B, C, or D). This term was requested 2009-10-16 by Michel Dumontier, tracker id 2880747. SO:0001484 X element combinatorial repeat INSDC_qualifier:x_element_combinatorial_repeat