tokens: The protooncogene p21ras , a monomeric G protein family member , plays a critical role in converting extracellular signals into intracellular biochemical events .
folded_tokens: the protooncogene p21ras , a monomeric g protein family member , plays a critical role in converting extracellular signals into intracellular biochemical events .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O O O B-other_name I-other_name I-other_name O B-other_name I-other_name I-other_name O