1u6b A 3.1 BS01 rna B 0 Y13 N16 E19 K22 S48 L49 K50 M51 R52 Q54 F56 K88 T89 D90 S91 D92 Y10 N13 E16 K19 S45 L46 K47 M48 R49 Q51 F53 K85 T86 D87 S88 D89 ? 0003676,0003723 P09012 15175762 1 ~ 190 PETRPNHTIYINNLNEKIKKDELKKSLHAIFSRFGQILDILVSRSLKMRGQAFVIFKEVSSATNALRSMQGFPFYDKPMRIQYAKTDSDIIAKMK