>tr|R4WUK7|R4WUK7_HUMAN MHC class II antigen (Fragment) OS=Homo sapiens OX=9606 GN=HLA-DQB1 PE=4 SV=1 DFVFQFKGMCYFTNGTERVRGVTRYIYNREEYARFDSDVGVYRAVTPQGRPDAEYWNSQK DILEEDRASVDTVCRHNYQLELRTTLQRR