Table S2.

RDCs measured for mdP2ab

Residue	Atom	RDC, Hz	Residue	Atom	RDC, Hz
G37	C8H8	−30.0	G54	N1H1	−9.5
G37	C1′H1′	−6.3	C55	C5H5	19.0
G38	C8H8	−12.0	C55	C6H6	11.9
G38	C1′H1′	−13.6	C55	C1′H1′	14.6
G38	N1H1	−2.5	U56	C5H5	14.6
G39	C8H8	6.6	U56	C6H6	12.7
G39	C1′H1′	−12.0	U56	C1′H1′	5.6
G39	N1H1	−7.2	U57	C5H5	−9.0
U40	C5H5	−0.2	U57	C6H6	18.5
U40	C6H6	11.3	U57	C1′H1′	−3.8
U40	C1′H1′	2.9	C77	C5H5	−2.4
U40	N3H3	−4.9	C77	C6H6	−1.1
G41	C8H8	3.0	C77	C1′H1′	−18.9
G41	C1′H1′	12.9	G78	C8H8	2.9
G41	N1H1	7.0	G78	C1′H1′	−4.8
U42	C5H5	12.4	G78	N1H1	−3.5
U42	C6H6	−18.4	G79	C8H8	15.7
U42	C1′H1′	18.2	G79	C1′H1′	−27.0
A43	C2H2	−16.2	G79	N1H1	−6.6
A43	C8H8	−5.0	C80	C5H5	18.7
A43	C1′H1′	13.5	C80	C6H6	10.1
C44	C5H5	−12.9	C80	C1′H1′	−9.1
C44	C6H6	8.7	A81	C2H2	12.9
C44	C1′H1′	5.5	A81	C8H8	15.5
U45	C5H5	−3.4	A81	C1′H1′	1.2
U45	C6H6	4.7	A82	C2H2	13.9
U45	C1′H1 ′	−0.1	A82	C8H8	23.9
U46	C5H5	−3.2	A82	C1′H1′	7.3
U46	C6H6	1.7	A83	C2H2	23.0
U46	C1′H1′	−4.1	A83	C8H8	28.7
A47	C2H2	11.9	A83	C1′H1′	12.9
A47	C8H8	7.6	C84	C5H5	27.9
A47	C1′H1′	−2.6	C84	C6H6	12.5
A48	C2H2	3.5	C84	C1′H1′	14.2
A48	C8H8	3.9	U85	C5H5	21.9
A48	C1′H1′	−2.0	U85	C6H6	−3.6
C49	C5H5	0.2	U85	C1′H1′	11.9
C49	C6H6	−10.8	A86	C2H2	−2.2
C49	C1′H1′	−14.9	A86	C8H8	−17.2
G50	C8H8	5.9	A86	C1′H1′	10.6
G50	C1′H1′	−41.7	C87	C5H5	−6.2
G50	N1H1	−11.9	C87	C6H6	−10.0
U51	C5H5	−5.6	C87	C1′H1′	9.8
U51	C6H6	29.7	A88	C2H2	−16.9
U51	C1′H1′	−30.7	A88	C8H8	−2.7
U51	N3H3	−15.7	A88	C1′H1′	12.0
U52	C5H5	13.1	U89	C5H5	−1.4
U52	C6H6	27.2	U89	C6H6	12.5
U52	C1′H1′	−15.4	U89	C1′H1′	15.5
U52	N3H3	−15.8	U89	N3H3	−9.1
U53	C5H5	26.1	C90	C5H5	8.7
U53	C6H6	20.9	C90	C6H6	2.6
U53	C1′H1′	2.1	C90	C1′H1′	13.7
U53	N3H3	−10.4	C91	C5H5	11.9
G54	C8H8	13.9	C91	C6H6	−18.0
G54	C1′H1′	9.8	C91	C1′H1′	14.2