HLA DRB1 (بالانجليزى: HLA-DRB1) هوا چين موجود فى الانسان العاقل بيشفره Major histocompatibility complex, class II, DR beta 1 و HLA class II histocompatibility antigen, DRB1-1 beta chain و HLA class II histocompatibility antigen, DRB1-4 beta chain و HLA class II histocompatibility antigen, DRB1-11 beta chain و HLA class II histocompatibility antigen, DRB1-16 beta chain و HLA class II histocompatibility antigen, DRB1-8 beta chain و HLA class II histocompatibility antigen, DRB1-10 beta chain و HLA class II histocompatibility antigen, DRB1-13 beta chain و HLA class II histocompatibility antigen, DRB1-12 beta chain و HLA class II histocompatibility antigen, DRB1-14 beta chain و HLA class II histocompatibility antigen, DRB1-9 beta chain. الحته دى من الصفحه دى فاضيه, ساعد ف كتابتها. الحته دى من الصفحه دى فاضيه, ساعد ف كتابتها.