tokens: To extend these initial observations , we have examined the effect of antioxidant treatment on the activity of the mitogen-activated protein kinases erk1 and erk2 , as members of a signal transduction pathway known to directly regulate transcription factor function .
folded_tokens: to extend these initial observations , we have examined the effect of antioxidant treatment on the activity of the mitogen-activated protein kinases erk1 and erk2 , as members of a signal transduction pathway known to directly regulate transcription factor function .
labels: O O O O O O O O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group B-protein_molecule O B-protein_molecule O O O O O B-other_name I-other_name I-other_name O O O O B-other_name I-other_name I-other_name O