>28zb_B mol:protein length:239 Regulatory protein IE1,HLA class II histocompatibility antigen DR beta chainVKQIKVRVDMVRHRIGGGGSGGGGSGGGGSGDTRPRFLEYSTSECHFFNGTERVRYLDRYFHNQEENVRFDSDVGEFRAVTELGRPDAEYWNSQKDLLEQKRGRVDNYCRHNYGVVESFTVQRRVHPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFRNGQEEKTGVVSTGLIHNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRALETVPRSGEVYTCQVEHPS