Our previous investigations on the formation of LCR HS4 demonstrated that NF-E2 and tandem , inverted GATA binding sites are required for the formation of the native HS .
our previous investigations on the formation of lcr hs4 demonstrated that nf-e2 and tandem , inverted gata binding sites are required for the formation of the native hs .
O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O