>tr|Q5MWL3|Q5MWL3_AOTNA MHC class II antigen beta chain (Fragment) OS=Aotus nancymaae OX=37293 GN=DRB PE=2 SV=2 RFLEQVKHECHFFNGTERVRFLDRYFYNQEEYVRFDSDVGEFRAVTELGRPDAEYWNSQK DLMEDRRAQVDTYCRHNYGVVESFT