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HMR

Sequence Help

Sequence Overview

Sequences and genome annotation information for Reference Strain S288C and a select set of Alternative References.


Feature Type
silent_mating_type_cassette_array
Description
Mating-type cassette - right; unexpressed complete copy of the mating-type genes, silenced by the Sir2 histone deacetylase and its associated SIR1, SIR3 and SIR4 proteins; mating-type switching involves replacement of the Ya or Yalpha sequences present at the MAT locus with either the a or alpha genes located at one of the HM loci in a process stimulated by the HO endonuclease; sequence replacement occurs by gene conversion, leaving the donor unaltered 1 2

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