DDM1 (source code)
= DDM1
{c}
A <nucleosome> remodeler that permits methyltransferase access to H1-containing <heterochromatin>.
Packaging into <nucleosomes> can restrict access to <DNA>. DDM1-dependent remodelling helps overcome that barrier, linking physical accessibility to the persistence of repressive methylation patterns in repeated genomic regions. <The Arabidopsis nucleosome remodeler DDM1 allows DNA methyltransferases to access H1-containing heterochromatin by Assaf Zemach and others>[2013, chromatin access and DNA methylation]{ref}
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