The ERV-9 LTR enhancer is not blocked by the HS5 insulator and synthesizes through the HS5 site non-coding, long RNAs that regulate LTR enhancer function.
Nucleic Acids Res. 2003 Aug 1;31(15):4582-96. doi: 10.1093/nar/gkg646.
Nucleic Acids Res. 2003.
PMID: 12888519
Free PMC article.