tokens: This system allowed us to efficiently express in developing thymocytes a mutant form of the NF-kappa B inhibitor I kappa B alpha ( mut-I kappa B ) and to study the maturation defects occurring when NF-kappa B activation is inhibited during fetal development .
folded_tokens: this system allowed us to efficiently express in developing thymocytes a mutant form of the nf-kappa b inhibitor i kappa b alpha ( mut-i kappa b ) and to study the maturation defects occurring when nf-kappa b activation is inhibited during fetal development .
labels: O O O O O O O O O O O O O O O B-protein_complex I-protein_complex O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O O B-protein_complex I-protein_complex O O O O O O O