Term Name:	insulator
Synonyms:	INSDC_feature:regulatory, INSDC_qualifier:insulator, insulator element
Definition:	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.
Ontology:	Sequence Ontology [SO:0000627]