HLA-DO is a second class II-like molecule that physically associates with HLA-DM in B cells .
hla-do is a second class ii-like molecule that physically associates with hla-dm in b cells .
B-protein_molecule O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O B-protein_molecule O B-cell_type I-cell_type O