2f8k A 2.0 BS01 rna B 0 K461 R464 L465 H466 K467 A495 L496 G497 R500 K22 R25 L26 H27 K28 A56 L57 G58 R61 ? 0003729,0043488 Kd=25nM Q08831 16429151 0 ~ 15 SSMNPKSLTDPKLLKNIPMWLKSLRLHKYSDALSGTPWIELIYLDDETLEKKGVLALGARRKLLKAFGIVIDYKERDLIDRSAY