tokens: However , little is known about the structure-activity relationship and the mechanism by which endotoxin induces Mn SOD .
folded_tokens: however , little is known about the structure-activity relationship and the mechanism by which endotoxin induces mn sod .
labels: O O O O O O O B-other_name I-other_name O O O O O O O B-protein_molecule I-protein_molecule O