2l3c A -1.00 BS01 rna B 0 K7 L10 M11 N14 E15 V31 H32 P34 T53 K54 K55 K58 K7 L10 M11 N14 E15 V31 H32 P34 T53 K54 K55 K58 3.5.4.37 Kd=330nM P51400 20946981 75 ~ 108 PGPVLPKNALMQLNEIKPGLQYMLLSQTGPVHAPLFVMSVEVNGQVFEGSGPTKKKAKLHAAEKALRSFVQFPN