>6biy_B mol:protein length:200 HLA class II DR-beta (HLA-DR B) GSGDTRPRFLEQVKHECHFFNGTERVRFLDRYFYHQEEYVRFDSDVGEYRAVTELGRPD AEYWNSQKDLLEQRRAAVDTYCRHNYGVVESFTVQRRVYPEVTVYPAKTQPLQHHNLLV CSVNGFYPGSIEVRWFRNGQEEKTGVVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQV EHPSLTSPLTVEWRATGGDDDDK