>tr|A0A1X9I4S9|A0A1X9I4S9_HUMAN MHC class II antigen (Fragment) OS=Homo sapiens OX=9606 GN=HLA-DQB1 PE=4 SV=1 DFVYQFKGMCYFTNGTERERLVTRHIYNREEYARFDSDVGVYRAVTPQGRPDAEYWNSQK EVLEGTRAELDTVCRHNYEVAFRGILQRR