The predicted amino acid sequence of the amino-terminal portion of Sp140 was similar to Sp100 , a previously identified NB protein .
the predicted amino acid sequence of the amino-terminal portion of sp140 was similar to sp100 , a previously identified nb protein .
O O B-protein_N/A I-protein_N/A I-protein_N/A O O B-protein_domain_or_region I-protein_domain_or_region O B-protein_molecule O O O B-protein_molecule O O O O B-cell_component O O