834 query 829:SHFERSKQVSS: 839 sp|P40189|IL6RB_HUMAN[1] 829:SHFERSKQVSS: 839 sp|P40190|IL6RB_RAT[1] 828:SHFGRSSQVPS: 838 sp|Q00560|IL6RB_MOUSE[1] 827:SHFERSNQVLS: 837