8pj3 o 3.7 BS01 rna 7 0 R267 Y269 A271 K280 F282 A283 F284 R30 Y32 A34 K43 F45 A46 F47 O75821 -35 ~ 22 NATIRVTNLSEDTRETDLQELFRPFGSISRIYLAKDKTTGQSKGFAFISFHRREDAARAIAGVSGFGYDHLILNVEW