Proteins in the second group carry a single HMG box with affinity for the minor groove of the heptamer motif AACAAAG or variations thereof .
proteins in the second group carry a single hmg box with affinity for the minor groove of the heptamer motif aacaaag or variations thereof .
O O O O O O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O O O O B-DNA_substructure I-DNA_substructure O O B-DNA_domain_or_region I-DNA_domain_or_region B-polynucleotide O O O O