2uxc R 2.9 BS01 rna A 0 K49 I50 K61 Q63 R64 K68 K71 R72 R74 I75 F81 K34 I35 K46 Q48 R49 K53 K56 R57 R59 I60 F66 ? 0003735,0005840,0006412,0019843,0070181,1990904 Q5SLQ0 17416634 5 ~ 1544 PSRKAKVKATLGEFDLRDYRNVEVLKRFLSETGKILPRRRTGLSAKEQRILAKTIKRARILGLLPFTEKLVRK