4v77 AU 17.0 BS01 rna AA 0 R20 K45 K48 A49 V52 K53 R18 K43 K46 A47 V50 K51 ? 0003735,0005840,0006412 P68679 24186064 5 ~ 1534 IKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVK