tokens: It can be deduced that the erythroid ALAS precursor protein has a molecular weight of 64 . 6 kd , and is similar in size to the previously isolated human housekeeping ALAS precursor of molecular weight 70 . 6 kd .
folded_tokens: it can be deduced that the erythroid alas precursor protein has a molecular weight of 64 . 6 kd , and is similar in size to the previously isolated human housekeeping alas precursor of molecular weight 70 . 6 kd .
labels: O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O O O O O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O