From sequence analysis , two of these appear to be novel transcription factor binding sites , whereas the third was identified as a cyclic AMP response element ( CRE ) .
from sequence analysis , two of these appear to be novel transcription factor binding sites , whereas the third was identified as a cyclic amp response element ( cre ) .
O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O B-DNA_family_or_group O O