7qxa M 3.2 BS01 rna B 0 S39 V40 Y41 Y43 K47 G54 I55 S57 M60 S4 V5 Y6 Y8 K12 G19 I20 S22 M25 ? 0000786,0003677,0005634,0005694,0030527,0046982 B4DR52 35201900 26 ~ 333 ESYSVYVYKVLKQVHPDTGISSKAMGIMNSFVNDIFERIAGEASRLAHYNKRSTITSREIQTAVRLLLPGELAKHAVSEGTKAVTKYTSS