tokens: T cell receptor ( TCR ) alpha and delta gene segments are organized within a single genetic locus but are differentially regulated during T cell development .
folded_tokens: t cell receptor ( tcr ) alpha and delta gene segments are organized within a single genetic locus but are differentially regulated during t cell development .
labels: B-protein_molecule I-protein_molecule I-protein_molecule I-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 B-other_name I-other_name I-other_name O