tokens: Northern blot analyses performed on rat and mouse tissues have detected ubiquitously expressed Pan transcripts , but the abundance , distribution , and form of Pan proteins have not been clearly defined .
folded_tokens: northern blot analyses performed on rat and mouse tissues have detected ubiquitously expressed pan transcripts , but the abundance , distribution , and form of pan proteins have not been clearly defined .
labels: B-other_name I-other_name I-other_name O O O 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 O O O O O O