insulator
A regulatory region that 1) when located between a CRM and a gene's promoter prevents the CRM from modulating that genes expression and 2) acts as a chromatin boundary element or barrier that can block the encroachment of condensed chromatin from an adjacent region.
SO:0000727
cis_regulatory_module
is_a
INSDC_feature:regulatory
broad
INSDC_qualifier:insulator
exact
insulator element
exact