tokens: To evaluate a potential mechanism for these differences in function , we evaluated expression of protein kinase C ( PKC ) isoforms .
folded_tokens: to evaluate a potential mechanism for these differences in function , we evaluated expression of protein kinase c ( pkc ) isoforms .
labels: O O O O O O O O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O O O