tokens: An isoform lacking exon 11 destroyed the carboxy-terminal leucin-zipper region and introduced a frame shift creating a novel , proline -rich carboxy terminus .
folded_tokens: an isoform lacking exon 11 destroyed the carboxy-terminal leucin-zipper region and introduced a frame shift creating a novel , proline -rich carboxy terminus .
labels: O O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O O O O O O O O O B-amino_acid_monomer O O O O