Despite this effect , steady state levels of HLA-DRalpha , HLA-DRbeta , and invariant ( Ii ) chains were equivalent in control and infected cells .
despite this effect , steady state levels of hla-dralpha , hla-drbeta , and invariant ( ii ) chains were equivalent in control and infected cells .
O O O O O O O O B-protein_molecule O B-protein_molecule O O B-protein_subunit I-protein_subunit I-protein_subunit I-protein_subunit I-protein_subunit O O O O O O O O