tokens: The Pan gene encodes at least two distinct transcripts , Pan-1 and Pan-2 ( also known as E47 and E12 , respectively ) , by the mechanism of alternative RNA splicing .
folded_tokens: the pan gene encodes at least two distinct transcripts , pan-1 and pan-2 ( also known as e47 and e12 , respectively ) , by the mechanism of alternative rna splicing .
labels: O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O B-protein_molecule O B-protein_molecule O O O O B-protein_molecule O B-protein_molecule O O O O O O O O O O O O