4qvd D 1.972 BS01 rna H 0 Y25 N28 G29 I30 K31 T61 Y20 N23 G24 I25 K26 T56 ? 0003723,0006355 Kd=1490nM C1IFD2 25670676 4 ~ 7 SLQDPFLNALRRERVPVSIYLVNGIKLQGQIESFDQFVILLKNTVSQMVYKHAISTVVPS 4qvd E 1.972 BS01 rna H 0 I30 K31 L32 Q33 Q52 I25 K26 L27 Q28 Q47 ? 0003723,0006355 Kd=1490nM C1IFD2 25670676 4 ~ 7 SLQDPFLNALRRERVPVSIYLVNGIKLQGQIESFDQFVILLKNTVSQMVYKHAISTVVPS