Table 6.

Differences in interactions (>50%) observed in Phe56Trp U1A-RNA complex simulation compared to wild type

Residues	Positions	Type of interaction	Difference
Tyr13 – Trp56	β1 to β3	VDW	− 61%
Trp56 – C5	β3 to RNA loop	VDW	− 72%
Met51 – A6	loop 3 to RNA loop	VDW	− 65%
His10 – Lys98	β1 to helix C	H-bond (NZ of Lys98 – NE2 of His10)	+ 56%
His10 – Lys98	β1 to helix C	VDW	+ 62%
Lys60 – Lys98	loop 4 to helix C	H-bond (NZ of Lys98 – O of Lys60)	+ 56%
Glu61 – Lys98	loop 4 to helix C	VDW	+ 57%
C10 – G11	RNA loop to RNA stem	H-bond (O2* of C10 – O5* of G11)	+ 51%