UA3

Bonds

First atom	Second atom	Bond order type	Distance (experimental model)	Distance (ideal model)	Properties
N1	C2	sing	1.35Å	1.43Å	Aromatic
N1	C6	sing	1.37Å	1.43Å	Aromatic
N1	C1'	sing	1.47Å	1.40Å
C2	O2	doub	1.22Å	1.18Å
C2	N3	sing	1.35Å	1.40Å	Aromatic
N3	C4	sing	1.35Å	1.41Å	Aromatic
N3	H3	sing	0.97Å	1.02Å
C4	O4	doub	1.22Å	1.21Å
C4	C5	sing	1.42Å	1.45Å	Aromatic
C5	C6	doub	1.35Å	1.34Å	Aromatic
C5	H5	sing	1.08Å	1.10Å
C6	H6	sing	1.08Å	1.10Å
O5'	C5'	sing	1.43Å	1.57Å
O5'	H5'	sing	0.97Å	0.95Å
C5'	C4'	sing	1.53Å	1.34Å
C5'	H51	sing	1.09Å	1.11Å
C5'	H52	sing	1.09Å	1.12Å
C4'	O4'	sing	1.44Å	1.42Å
C4'	C3'	sing	1.54Å	1.38Å
C4'	H4	sing	1.09Å	1.12Å
O4'	C1'	sing	1.44Å	1.56Å
C3'	O3'	sing	1.43Å	1.54Å
C3'	C2'	sing	1.55Å	1.74Å
C3'	H3'	sing	1.09Å	1.12Å
O3'	P	sing	1.61Å	1.51Å
C2'	O2'	sing	1.43Å	1.64Å
C2'	C1'	sing	1.55Å	1.69Å
C2'	H2'	sing	1.09Å	1.11Å
O2'	HB	sing	0.97Å	0.95Å
C1'	H1'	sing	1.09Å	1.11Å
O3P	P	sing	1.61Å	1.60Å
O3P	H3P	sing	0.97Å	0.95Å
P	O1P	doub	1.48Å	1.50Å
P	O2P	sing	1.61Å	1.51Å
O2P	H2P	sing	0.97Å	0.95Å

Angles

First atom	Second atom	Third atom	Angle (experimental model)	Angle (ideal model)
C2	N1	C6	121.4°	120.6°
C2	N1	C1'	116.3°	119.6°
N1	C2	O2	122.2°	119.6°
N1	C2	N3	113.2°	120.9°
C6	N1	C1'	122.3°	119.7°
N1	C6	C5	122.5°	119.7°
N1	C6	H6	118.8°	120.1°
N1	C1'	O4'	114.8°	110.6°
N1	C1'	C2'	102.1°	110.7°
N1	C1'	H1'	113.5°	110.6°
O2	C2	N3	124.6°	119.6°
C2	N3	C4	128.0°	120.3°
C2	N3	H3	116.0°	119.9°
C4	N3	H3	116.0°	119.9°
N3	C4	O4	118.1°	120.3°
N3	C4	C5	114.9°	119.4°
O4	C4	C5	127.0°	120.3°
C4	C5	C6	120.0°	119.1°
C4	C5	H5	120.0°	120.4°
C6	C5	H5	120.0°	120.4°
C5	C6	H6	118.8°	120.2°
C5'	O5'	H5'	117.7°	106.9°
O5'	C5'	C4'	117.7°	109.5°
O5'	C5'	H51	109.3°	109.5°
O5'	C5'	H52	109.2°	109.4°
C4'	C5'	H51	109.2°	109.5°
C4'	C5'	H52	109.2°	109.5°
C5'	C4'	O4'	113.3°	109.9°
C5'	C4'	C3'	115.4°	110.0°
C5'	C4'	H4	132.2°	109.9°
H51	C5'	H52	100.9°	109.5°
O4'	C4'	C3'	129.9°	107.5°
O4'	C4'	H4	82.0°	109.8°
C4'	O4'	C1'	96.7°	106.9°
C3'	C4'	H4	74.3°	109.8°
C4'	C3'	O3'	133.7°	110.8°
C4'	C3'	C2'	91.1°	104.0°
C4'	C3'	H3'	106.3°	110.4°
O4'	C1'	C2'	97.9°	103.5°
O4'	C1'	H1'	113.5°	110.6°
O3'	C3'	C2'	110.0°	110.6°
O3'	C3'	H3'	106.3°	110.4°
C3'	O3'	P	131.3°	106.9°
C2'	C3'	H3'	106.3°	110.5°
C3'	C2'	O2'	109.6°	111.0°
C3'	C2'	C1'	96.5°	102.1°
C3'	C2'	H2'	107.6°	110.8°
O3'	P	O3P	105.5°	109.5°
O3'	P	O1P	109.0°	109.5°
O3'	P	O2P	109.2°	109.4°
O2'	C2'	C1'	126.4°	111.0°
O2'	C2'	H2'	107.6°	110.9°
C2'	O2'	HB	126.4°	106.8°
C1'	C2'	H2'	107.6°	110.9°
C2'	C1'	H1'	113.5°	110.7°
P	O3P	H3P	105.5°	106.8°
O3P	P	O1P	113.3°	109.5°
O3P	P	O2P	108.7°	109.5°
O1P	P	O2P	111.0°	109.5°
P	O2P	H2P	109.1°	106.8°

Dihedrals

First atom	Second atom	Third atom	Fourth atom	Torsion (experimental model)	Torsion (ideal model)
C2	N1	C6	C1'	178.5°	179.7°
N1	C2	O2	N3	179.8°	179.5°
N1	C2	N3	C4	0.3°	0.4°
N1	C2	N3	H3	179.7°	179.7°
C2	N1	C6	C5	0.4°	0.2°
C2	N1	C6	H6	179.7°	179.8°
C2	N1	C1'	O4'	156.2°	158.6°
C2	N1	C1'	C2'	99.0°	87.2°
C2	N1	C1'	H1'	23.5°	35.8°
C6	N1	C2	O2	179.7°	180.0°
C6	N1	C2	N3	0.5°	0.5°
N1	C6	C5	C4	0.0°	0.0°
N1	C6	C5	H6	180.0°	180.0°
N1	C6	C5	H5	180.0°	179.9°
C6	N1	C1'	O4'	25.2°	21.6°
C6	N1	C1'	C2'	79.6°	92.5°
C6	N1	C1'	H1'	157.9°	144.5°
C1'	N1	C2	O2	1.1°	0.3°
C1'	N1	C2	N3	179.1°	179.8°
C1'	N1	C6	C5	178.9°	180.0°
C1'	N1	C6	H6	1.1°	0.0°
N1	C1'	O4'	C4'	147.7°	158.7°
N1	C1'	O4'	C2'	107.3°	118.6°
N1	C1'	O4'	H1'	132.8°	122.8°
N1	C1'	C2'	C3'	168.7°	155.7°
N1	C1'	C2'	O2'	48.5°	37.4°
N1	C1'	C2'	H1'	122.5°	123.0°
N1	C1'	C2'	H2'	80.5°	86.3°
O2	C2	N3	C4	179.9°	179.9°
O2	C2	N3	H3	0.1°	0.1°
C2	N3	C4	H3	180.0°	179.9°
C2	N3	C4	O4	179.9°	179.7°
C2	N3	C4	C5	0.0°	0.1°
N3	C4	O4	C5	179.9°	179.8°
N3	C4	C5	C6	0.2°	0.1°
N3	C4	C5	H5	179.8°	180.0°
H3	N3	C4	O4	0.1°	0.2°
H3	N3	C4	C5	180.0°	180.0°
O4	C4	C5	C6	179.9°	180.0°
O4	C4	C5	H5	0.1°	0.1°
C4	C5	C6	H5	180.0°	179.9°
C4	C5	C6	H6	180.0°	179.9°
H5	C5	C6	H6	0.0°	0.0°
O5'	C5'	C4'	H51	125.3°	120.0°
O5'	C5'	C4'	H52	125.2°	120.0°
O5'	C5'	H51	H52	115.0°	120.0°
O5'	C5'	C4'	O4'	97.1°	61.7°
O5'	C5'	C4'	C3'	70.8°	179.7°
O5'	C5'	C4'	H4	162.2°	59.3°
H5'	O5'	C5'	C4'	180.0°	180.0°
H5'	O5'	C5'	H51	54.8°	60.0°
H5'	O5'	C5'	H52	54.8°	60.0°
C4'	C5'	H51	H52	114.9°	120.0°
C5'	C4'	O4'	C3'	165.7°	119.6°
C5'	C4'	O4'	H4	132.7°	120.9°
C5'	C4'	C3'	H4	129.7°	121.0°
C5'	C4'	O4'	C1'	179.0°	146.0°
C5'	C4'	C3'	O3'	93.0°	119.8°
C5'	C4'	C3'	C2'	147.6°	121.4°
C5'	C4'	C3'	H3'	40.2°	2.9°
H51	C5'	C4'	O4'	137.6°	58.4°
H51	C5'	C4'	C3'	54.5°	59.7°
H51	C5'	C4'	H4	37.0°	179.3°
H52	C5'	C4'	O4'	28.1°	178.3°
H52	C5'	C4'	C3'	164.0°	60.3°
H52	C5'	C4'	H4	72.5°	60.7°
O4'	C4'	C3'	H4	64.9°	119.5°
O4'	C4'	C3'	O3'	101.6°	120.7°
O4'	C4'	C3'	C2'	17.8°	1.8°
O4'	C4'	C3'	H3'	125.2°	116.7°
C4'	O4'	C1'	C2'	40.4°	40.1°
C4'	O4'	C1'	H1'	79.5°	78.5°
C3'	C4'	O4'	C1'	15.3°	26.4°
C4'	C3'	O3'	C2'	112.1°	114.8°
C4'	C3'	O3'	H3'	133.2°	122.6°
C4'	C3'	C2'	H3'	107.4°	118.5°
C4'	C3'	O3'	P	158.5°	125.2°
C4'	C3'	C2'	O2'	93.1°	97.2°
C4'	C3'	C2'	C1'	39.3°	21.1°
C4'	C3'	C2'	H2'	150.1°	139.2°
H4	C4'	O4'	C1'	46.3°	93.1°
H4	C4'	C3'	O3'	36.7°	1.2°
H4	C4'	C3'	C2'	82.7°	117.6°
H4	C4'	C3'	H3'	169.9°	123.9°
O4'	C1'	C2'	C3'	51.1°	37.2°
O4'	C1'	C2'	O2'	69.1°	81.1°
O4'	C1'	C2'	H1'	119.9°	118.5°
O4'	C1'	C2'	H2'	161.9°	155.2°
O3'	C3'	C2'	H3'	114.7°	122.5°
O3'	C3'	C2'	O2'	129.0°	143.8°
O3'	C3'	C2'	C1'	98.6°	97.9°
O3'	C3'	C2'	H2'	12.2°	20.2°
C3'	O3'	P	O3P	94.0°	180.0°
C3'	O3'	P	O1P	144.0°	60.0°
C3'	O3'	P	O2P	22.6°	59.9°
C2'	C3'	O3'	P	89.4°	120.0°
C3'	C2'	O2'	C1'	114.3°	112.8°
C3'	C2'	O2'	H2'	116.7°	123.6°
C3'	C2'	C1'	H2'	110.8°	118.0°
C3'	C2'	O2'	HB	65.7°	179.1°
C3'	C2'	C1'	H1'	68.8°	81.3°
H3'	C3'	O3'	P	25.3°	2.6°
H3'	C3'	C2'	O2'	14.3°	21.3°
H3'	C3'	C2'	C1'	146.7°	139.5°
H3'	C3'	C2'	H2'	102.5°	102.4°
O3'	P	O3P	O1P	119.2°	120.0°
O3'	P	O3P	O2P	117.0°	120.0°
O3'	P	O3P	H3P	180.0°	180.0°
O3'	P	O1P	O2P	120.2°	119.9°
O3'	P	O2P	H2P	180.0°	60.1°
O2'	C2'	C1'	H2'	129.0°	123.7°
O2'	C2'	C1'	H1'	171.0°	160.4°
C1'	C2'	O2'	HB	180.0°	66.4°
H2'	C2'	O2'	HB	51.0°	57.3°
H2'	C2'	C1'	H1'	42.0°	36.7°
O3P	P	O1P	O2P	122.6°	120.0°
O3P	P	O2P	H2P	65.4°	59.9°
H3P	O3P	P	O1P	60.8°	60.0°
H3P	O3P	P	O2P	63.1°	60.0°
O1P	P	O2P	H2P	59.8°	179.9°

Definition date:	2004-07-27
Last modified:	2021-03-13
Release status:	REL
Processing site:	RCSB
Derived from:	1W4O