tokens: By using several HBD subfragments , the mAb 18C7 epitope was located in the N-terminal region of the HBD from Thr729 to Leu765 .
folded_tokens: by using several hbd subfragments , the mab 18c7 epitope was located in the n-terminal region of the hbd from thr729 to leu765 .
labels: O O O B-protein_subunit I-protein_subunit O O B-protein_molecule I-protein_molecule O O O O O B-protein_domain_or_region I-protein_domain_or_region O O B-protein_domain_or_region O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O