tokens: The v-erb A protein has sustained two amino acid alterations within its DNA-binding domain relative to that of c-erb A , one of which , at serine 61 , is known to be important for v-erb A function in the neoplastic cell .
folded_tokens: the v-erb a protein has sustained two amino acid alterations within its dna-binding domain relative to that of c-erb a , one of which , at serine 61 , is known to be important for v-erb a function in the neoplastic cell .
labels: O B-protein_molecule I-protein_molecule I-protein_molecule O O O B-other_name I-other_name I-other_name O O B-protein_domain_or_region I-protein_domain_or_region O O O O B-protein_molecule I-protein_molecule O O O O O O B-amino_acid_monomer I-amino_acid_monomer O O O O O O O B-protein_molecule I-protein_molecule O O O B-cell_type I-cell_type O