4v6y AU 12.0 BS01 rna AA 0 V5 R17 K19 R20 S21 R33 R34 V52 K53 V3 R15 K17 R18 S19 R31 R32 V50 K51 ? 0003735,0005840,0006412 P68679 24186064 5 ~ 1534 IKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVK