>tr|O19723|O19723_HUMAN MHC class II HLA-DR-beta-1 (Fragment) OS=Homo sapiens OX=9606 GN=HLA-DRB1 PE=4 SV=1
ECHFFNGTERVRYLDRYFHNQEENVRFDSDVGEFRAVTELGRPDAEYWNSQKDLLEQKRG
RVDNYCRHNYGVV