tokens: From AML1 gene , two representative forms of proteins , AML1a and AML1b , are produced by an alternative splicing .
folded_tokens: from aml1 gene , two representative forms of proteins , aml1a and aml1b , are produced by an alternative 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 O O O O