5yts A 1.77 BS01 rna B 0 K64 W65 N67 N70 Y72 F74 D83 F85 H87 K118 K13 W14 N16 N19 Y21 F23 D32 F34 H36 K63 ? 0003676 Kd=2.77uM P67809 31160337 2 ~ 5 KKVIATKVLGTVKWFNVRNGYGFINRNDTKEDVFVHQTAIKKKYLRSVGDGETVEFDVVEGEKGAEAANVTGPG