Download
Software
Tools
Education
Standards
About NDB
A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 11-May-2022 number of released structures: 12077
Search DNA
Search RNA
Advanced Search
Search for released structures
NDB ID:
1R3X
PDB ID:
1R3X
 
Nucleic Acid Backbone Torsions
CSV Format
Model ID
Chain ID
Residue Number
Residue Name
O3-P-O5-C5
P-O5-C5-C4
O5-C5-C4-C3
C5-C4-C3-O3
C4-C3-O3-P
C3-O3-P-O5
O4-C1-N1-9-C2-4
1
A
1
DA
0.0
0.0
60.41
97.85
178.33
277.03
236.87
1
A
2
DG
286.7
176.62
61.37
154.31
293.26
148.08
260.01
1
A
3
DA
65.59
225.23
173.5
122.9
306.05
192.35
185.01
1
A
4
DG
278.78
120.25
46.18
117.51
359.06
95.56
228.19
1
A
5
DA
65.24
187.24
186.74
101.13
195.7
273.36
197.66
1
A
6
DG
293.58
176.98
54.63
124.41
188.24
271.63
238.63
1
A
7
DA
305.18
169.07
63.66
81.26
183.63
289.06
198.24
1
A
8
DA
289.12
181.66
61.78
114.73
0.0
0.0
221.02
1
B
9
DT
0.0
0.0
300.35
123.94
187.83
284.82
221.19
1
B
10
DT
289.04
172.43
48.05
93.09
359.92
106.8
217.58
1
B
11
DC
259.37
139.24
27.11
68.24
161.75
295.5
213.7
1
B
12
DT
282.79
200.86
64.11
109.17
0.16
110.85
222.63
1
B
13
DC
253.14
145.64
49.51
89.96
162.45
286.96
223.87
1
B
14
DT
296.18
167.58
69.49
108.76
159.2
281.06
208.05
1
B
15
DC
245.57
225.58
60.21
97.23
165.4
283.64
227.15
1
B
16
DT
145.71
178.19
195.53
156.9
0.0
0.0
223.66
1
C
17
U
0.0
0.0
300.7
169.17
303.11
161.81
263.03
1
C
18
C
317.7
120.99
310.24
87.88
142.86
280.94
289.06
1
C
19
U
146.84
214.36
166.65
93.15
165.04
293.3
217.35
1
C
20
C
175.43
180.23
179.71
140.89
206.08
276.3
203.67
1
C
21
U
109.6
191.29
175.02
77.19
182.39
297.86
201.99
1
C
22
C
153.7
193.34
177.67
98.59
263.04
213.77
180.35
1
C
23
U
103.88
240.03
186.14
162.53
197.09
290.96
196.63
1
C
24
U
246.18
203.62
47.62
151.48
0.0
0.0
266.54
2
A
1
DA
0.0
0.0
301.09
108.65
188.24
229.31
235.1
2
A
2
DG
55.8
161.97
296.53
179.37
355.77
145.66
266.08
2
A
3
DA
191.26
120.29
66.15
120.2
295.52
174.84
211.27
2
A
4
DG
277.16
124.02
47.89
112.77
171.06
275.33
226.27
2
A
5
DA
294.39
188.1
56.9
102.8
209.02
267.62
201.13
2
A
6
DG
304.32
159.83
59.76
114.67
186.87
274.82
231.2
2
A
7
DA
305.0
171.77
62.51
86.52
180.03
289.85
200.74
2
A
8
DA
292.61
177.7
62.14
110.38
0.0
0.0
220.18
2
B
9
DT
0.0
0.0
59.87
124.49
183.72
288.26
218.88
2
B
10
DT
290.02
173.75
46.1
91.67
359.77
83.45
221.39
2
B
11
DC
59.28
204.44
179.92
75.67
168.34
301.17
201.9
2
B
12
DT
272.0
215.95
65.69
110.97
0.3
116.87
223.81
2
B
13
DC
256.89
132.29
41.03
96.21
359.38
104.81
230.98
2
B
14
DT
243.29
153.13
56.91
101.19
163.55
279.27
225.14
2
B
15
DC
271.1
199.09
55.48
97.9
188.18
283.12
223.46
2
B
16
DT
295.39
176.28
69.26
107.76
0.0
0.0
225.43
2
C
17
U
0.0
0.0
180.31
165.86
302.64
165.32
264.83
2
C
18
C
317.08
122.41
313.92
95.67
144.42
285.06
287.8
2
C
19
U
305.86
151.5
65.64
117.22
168.92
265.05
223.16
2
C
20
C
170.64
193.0
173.54
102.96
199.15
278.26
188.85
2
C
21
U
110.44
186.37
179.18
75.52
178.44
298.65
197.75
2
C
22
C
167.89
188.95
179.64
106.6
120.04
71.32
181.66
2
C
23
U
303.44
185.98
306.97
181.37
310.65
164.48
267.84
2
C
24
U
309.0
165.59
305.54
164.54
0.0
0.0
286.14
3
A
1
DA
0.0
0.0
300.64
116.27
119.97
50.84
221.49
3
A
2
DG
182.47
148.77
70.82
141.17
299.51
168.25
262.0
3
A
3
DA
242.07
121.48
59.93
117.54
302.22
153.94
211.77
3
A
4
DG
80.94
235.75
163.2
118.85
176.21
277.99
216.56
3
A
5
DA
276.03
188.13
55.93
105.0
353.88
129.99
205.97
3
A
6
DG
325.66
180.32
295.91
142.58
184.27
266.95
246.73
3
A
7
DA
309.59
167.33
67.25
84.12
181.85
290.53
196.59
3
A
8
DA
287.06
185.06
60.13
114.78
0.0
0.0
220.88
3
B
9
DT
0.0
0.0
299.57
123.57
185.27
287.18
219.42
3
B
10
DT
288.87
172.82
46.72
92.68
359.29
106.2
218.84
3
B
11
DC
266.22
140.19
14.32
75.2
160.13
291.68
221.12
3
B
12
DT
291.13
193.61
65.78
119.39
359.96
74.83
226.13
3
B
13
DC
139.66
239.9
65.61
98.42
0.03
75.05
242.5
3
B
14
DT
88.31
204.14
185.91
104.0
180.77
289.53
200.64
3
B
15
DC
132.67
172.28
176.23
108.27
190.06
284.92
221.83
3
B
16
DT
292.18
184.76
62.86
112.67
0.0
0.0
221.61
3
C
17
U
0.0
0.0
62.99
164.17
302.94
164.3
269.11
3
C
18
C
317.01
124.24
316.89
98.13
145.44
287.22
288.33
3
C
19
U
305.58
147.1
60.16
102.68
168.66
274.96
228.71
3
C
20
C
299.73
180.12
58.88
139.92
202.68
235.61
233.1
3
C
21
U
108.77
195.98
176.76
78.27
183.91
298.48
200.79
3
C
22
C
149.06
197.02
177.13
91.14
269.07
228.37
180.71
3
C
23
U
310.19
124.6
65.14
147.0
185.73
272.43
214.12
3
C
24
U
270.15
204.57
54.02
153.02
0.0
0.0
248.42
4
A
1
DA
0.0
0.0
299.4
147.71
186.94
276.62
247.75
4
A
2
DG
289.43
175.41
60.68
132.36
178.07
252.74
250.52
4
A
3
DA
286.36
150.85
72.59
117.68
250.03
238.24
185.98
4
A
4
DG
296.9
133.0
46.32
119.78
357.74
100.27
226.75
4
A
5
DA
66.78
190.53
178.68
104.46
351.09
120.22
199.25
4
A
6
DG
326.37
120.33
324.37
147.31
248.41
192.78
271.1
4
A
7
DA
304.29
131.79
66.36
73.19
184.57
288.96
202.53
4
A
8
DA
283.62
186.7
63.09
120.75
0.0
0.0
229.6
4
B
9
DT
0.0
0.0
61.67
123.89
182.9
287.73
225.51
4
B
10
DT
289.3
173.52
46.12
92.06
0.16
83.35
226.56
4
B
11
DC
59.09
206.79
175.92
72.2
167.98
297.55
202.66
4
B
12
DT
278.01
206.04
67.79
105.79
0.08
84.19
222.74
4
B
13
DC
71.87
205.13
185.31
103.76
182.74
283.13
215.48
4
B
14
DT
288.45
166.08
69.5
105.18
173.97
282.84
209.0
4
B
15
DC
267.11
200.61
59.85
95.57
184.04
287.03
227.84
4
B
16
DT
298.52
168.92
68.74
107.39
0.0
0.0
227.76
4
C
17
U
0.0
0.0
62.1
165.0
304.16
156.82
258.23
4
C
18
C
319.72
121.06
312.29
90.91
148.17
293.89
286.14
4
C
19
U
291.42
160.02
72.48
114.09
157.88
275.1
235.41
4
C
20
C
163.41
170.57
178.93
129.59
213.11
290.28
204.63
4
C
21
U
257.25
158.13
62.6
72.3
188.48
300.32
208.64
4
C
22
C
289.57
173.58
60.14
77.31
0.05
114.5
192.92
4
C
23
U
67.77
239.05
181.55
152.14
192.24
268.38
218.68
4
C
24
U
247.18
207.89
54.46
153.48
0.0
0.0
259.71
5
A
1
DA
0.0
0.0
300.1
95.23
180.05
279.74
222.83
5
A
2
DG
289.45
190.36
57.58
142.46
188.15
246.07
255.56
5
A
3
DA
279.13
144.67
71.2
114.62
343.79
153.21
192.99
5
A
4
DG
57.62
239.94
169.88
118.31
359.76
96.02
224.92
5
A
5
DA
67.88
191.73
180.78
106.2
357.53
117.12
202.37
5
A
6
DG
319.51
145.23
318.12
135.09
187.16
260.94
258.05
5
A
7
DA
311.69
162.89
68.98
81.59
179.73
289.39
204.32
5
A
8
DA
289.78
182.26
62.36
113.74
0.0
0.0
221.89
5
B
9
DT
0.0
0.0
300.2
124.4
179.58
289.08
222.57
5
B
10
DT
285.94
178.21
43.29
93.18
0.18
89.05
227.0
5
B
11
DC
54.73
211.34
167.72
89.28
0.14
109.84
207.9
5
B
12
DT
254.27
163.4
51.42
102.09
359.88
105.69
227.5
5
B
13
DC
311.03
136.11
327.13
105.26
160.42
281.21
238.51
5
B
14
DT
304.91
158.74
71.9
106.23
177.41
287.28
210.55
5
B
15
DC
135.33
173.53
175.33
114.28
184.55
285.95
225.34
5
B
16
DT
270.06
192.0
50.86
143.87
0.0
0.0
264.06
5
C
17
U
0.0
0.0
60.9
164.19
359.86
111.93
252.8
5
C
18
C
99.01
240.0
64.35
74.91
119.9
282.52
283.39
5
C
19
U
147.49
217.36
185.95
136.93
194.91
273.26
212.07
5
C
20
C
128.14
194.03
178.28
98.89
222.41
254.94
199.13
5
C
21
U
97.29
212.68
180.85
76.69
179.25
297.05
201.88
5
C
22
C
161.4
195.98
178.25
87.19
209.2
266.09
185.36
5
C
23
U
153.01
208.13
175.4
156.21
199.97
284.81
208.27
5
C
24
U
258.76
192.44
50.52
150.59
0.0
0.0
258.9
6
A
1
DA
0.0
0.0
58.41
151.08
181.92
281.78
250.71
6
A
2
DG
144.28
152.0
182.72
163.8
166.16
259.46
258.4
6
A
3
DA
271.72
168.33
61.06
126.05
291.41
178.6
205.78
6
A
4
DG
280.23
123.66
47.61
114.53
169.83
278.44
222.66
6
A
5
DA
283.32
185.5
57.62
105.69
350.82
108.08
201.83
6
A
6
DG
330.41
124.71
321.21
125.63
357.76
84.61
255.79
6
A
7
DA
80.36
198.98
195.2
81.68
187.24
288.24
195.88
6
A
8
DA
287.4
186.43
62.86
121.07
0.0
0.0
226.47
6
B
9
DT
0.0
0.0
59.4
125.62
184.76
289.03
220.77
6
B
10
DT
288.73
176.55
44.41
91.28
0.01
83.09
220.07
6
B
11
DC
59.51
203.97
179.14
76.43
168.06
294.19
201.73
6
B
12
DT
283.92
202.47
66.65
115.83
343.56
112.38
220.33
6
B
13
DC
346.51
188.35
289.73
125.28
163.07
272.32
225.95
6
B
14
DT
155.46
208.81
174.19
112.27
179.02
229.5
201.97
6
B
15
DC
65.69
120.87
310.42
117.96
185.3
285.37
225.63
6
B
16
DT
293.8
173.34
65.97
108.88
0.0
0.0
223.29
6
C
17
U
0.0
0.0
180.03
163.25
300.37
168.86
263.29
6
C
18
C
316.52
122.83
312.43
97.25
146.74
288.23
289.18
6
C
19
U
299.41
155.96
70.3
116.27
166.34
268.37
214.72
6
C
20
C
167.31
198.72
176.52
95.02
187.68
280.81
189.71
6
C
21
U
126.75
181.29
176.87
81.5
184.44
299.43
198.01
6
C
22
C
147.46
196.96
175.59
81.5
0.06
125.85
186.7
6
C
23
U
65.48
239.97
183.57
152.43
176.2
275.89
213.29
6
C
24
U
234.15
238.43
54.48
154.96
0.0
0.0
278.96
7
A
1
DA
0.0
0.0
180.08
98.3
182.4
279.75
226.07
7
A
2
DG
282.63
185.12
58.95
149.28
348.08
153.76
251.67
7
A
3
DA
198.22
123.11
62.9
117.56
304.73
146.29
212.86
7
A
4
DG
82.47
238.0
159.14
127.95
0.07
107.18
219.54
7
A
5
DA
60.37
191.02
177.84
102.2
359.37
137.33
201.85
7
A
6
DG
327.97
190.81
290.99
141.18
358.38
124.74
239.6
7
A
7
DA
318.89
186.49
304.31
118.28
359.53
110.68
208.58
7
A
8
DA
245.35
157.65
52.45
96.59
0.0
0.0
225.48
7
B
9
DT
0.0
0.0
301.5
123.83
183.22
289.7
216.61
7
B
10
DT
291.42
175.25
45.95
92.31
0.02
82.66
221.57
7
B
11
DC
59.72
205.46
178.17
73.29
175.6
293.42
202.69
7
B
12
DT
284.38
199.19
65.76
111.99
0.21
102.85
221.79
7
B
13
DC
314.0
134.21
325.61
105.37
159.88
281.89
244.09
7
B
14
DT
301.27
159.91
70.26
109.93
177.96
289.35
211.81
7
B
15
DC
265.06
195.53
54.93
93.27
176.69
280.44
225.09
7
B
16
DT
155.23
172.66
186.91
156.87
0.0
0.0
220.07
7
C
17
U
0.0
0.0
179.72
168.15
0.04
113.91
256.3
7
C
18
C
102.58
240.09
64.49
86.98
138.53
285.78
291.02
7
C
19
U
308.62
150.55
66.47
120.71
172.33
267.17
229.65
7
C
20
C
166.54
185.99
173.93
104.5
204.95
273.38
193.25
7
C
21
U
106.6
190.55
179.01
74.72
178.75
301.15
198.65
7
C
22
C
163.8
189.56
181.45
112.79
214.23
268.24
180.94
7
C
23
U
57.7
134.92
309.94
180.56
329.73
164.04
264.63
7
C
24
U
299.84
156.17
305.22
160.22
0.0
0.0
299.72
8
A
1
DA
0.0
0.0
178.82
157.27
175.41
275.77
247.75
8
A
2
DG
271.53
184.18
59.4
145.64
353.69
150.37
250.4
8
A
3
DA
198.15
121.3
66.36
118.77
304.52
151.58
211.4
8
A
4
DG
80.32
230.1
164.19
121.53
175.46
277.68
213.09
8
A
5
DA
271.81
195.38
54.07
106.34
355.53
114.4
203.09
8
A
6
DG
326.75
161.22
306.59
141.13
360.0
93.24
247.65
8
A
7
DA
71.21
196.92
197.21
77.26
184.91
286.42
196.15
8
A
8
DA
290.93
184.58
63.03
121.06
0.0
0.0
222.61
8
B
9
DT
0.0
0.0
300.59
121.01
178.79
291.72
219.14
8
B
10
DT
289.54
179.52
42.21
90.54
359.54
85.28
220.84
8
B
11
DC
57.17
206.18
177.21
74.13
168.02
298.19
202.89
8
B
12
DT
278.33
206.49
67.57
121.7
359.95
70.38
221.7
8
B
13
DC
149.79
239.27
66.72
92.29
156.48
285.41
238.61
8
B
14
DT
299.96
163.92
71.8
106.95
172.7
285.69
208.84
8
B
15
DC
255.38
206.69
57.8
110.73
0.09
111.13
227.67
8
B
16
DT
282.03
138.11
36.31
69.4
0.0
0.0
232.53
8
C
17
U
0.0
0.0
181.16
163.1
303.02
158.72
261.09
8
C
18
C
321.16
121.73
317.04
95.42
140.25
287.17
285.71
8
C
19
U
309.65
147.91
67.05
129.57
174.95
275.15
235.57
8
C
20
C
270.14
193.84
54.28
117.43
178.73
264.22
231.36
8
C
21
U
262.02
166.93
60.61
72.72
191.2
303.85
200.02
8
C
22
C
296.0
169.57
66.8
80.26
245.15
237.37
185.69
8
C
23
U
313.37
130.2
66.14
157.88
198.17
223.17
220.03
8
C
24
U
61.67
119.99
305.53
165.14
0.0
0.0
287.95
9
A
1
DA
0.0
0.0
180.18
83.5
170.25
282.7
241.46
9
A
2
DG
304.92
175.9
63.25
130.06
164.59
264.96
250.54
9
A
3
DA
298.77
173.78
59.95
114.51
359.92
102.48
215.29
9
A
4
DG
57.05
216.46
166.82
110.86
164.91
271.22
224.39
9
A
5
DA
285.86
191.34
60.26
115.03
359.52
131.81
202.15
9
A
6
DG
305.7
151.13
316.63
143.04
196.46
244.81
264.63
9
A
7
DA
310.05
152.36
72.34
82.08
185.12
285.97
202.81
9
A
8
DA
289.01
183.11
62.85
120.84
0.0
0.0
225.22
9
B
9
DT
0.0
0.0
60.17
124.87
184.97
285.39
226.04
9
B
10
DT
283.98
171.12
49.34
92.26
357.66
100.91
224.6
9
B
11
DC
313.42
127.0
318.33
98.1
152.5
288.27
233.67
9
B
12
DT
298.6
190.35
61.35
106.17
0.04
112.45
221.36
9
B
13
DC
248.92
145.61
49.39
89.79
164.42
284.4
226.44
9
B
14
DT
296.55
165.96
70.53
105.98
166.14
284.44
208.31
9
B
15
DC
264.69
211.21
55.16
94.35
171.45
279.61
229.23
9
B
16
DT
148.3
183.53
187.12
152.76
0.0
0.0
225.76
9
C
17
U
0.0
0.0
298.78
145.51
302.41
145.24
262.62
9
C
18
C
322.31
119.94
306.69
78.94
138.02
283.74
284.87
9
C
19
U
152.22
211.18
182.53
134.06
175.8
266.74
230.2
9
C
20
C
165.78
169.54
176.35
145.0
203.66
272.06
221.84
9
C
21
U
108.52
189.81
179.05
78.96
168.21
300.35
211.34
9
C
22
C
152.38
192.88
179.15
92.22
248.77
223.72
182.3
9
C
23
U
108.19
240.04
185.44
162.76
199.21
298.04
191.01
9
C
24
U
176.73
239.99
56.14
142.84
0.0
0.0
299.99
10
A
1
DA
0.0
0.0
178.92
156.39
177.63
275.02
253.78
10
A
2
DG
278.0
181.1
59.89
145.36
354.92
142.91
254.03
10
A
3
DA
200.42
125.27
63.9
115.2
305.66
139.56
219.75
10
A
4
DG
79.3
235.15
160.35
121.59
170.61
274.98
217.72
10
A
5
DA
281.17
194.28
56.08
109.75
179.98
271.4
199.48
10
A
6
DG
283.99
187.06
58.3
128.49
184.34
269.23
237.16
10
A
7
DA
309.21
169.19
66.46
83.18
195.35
284.1
194.39
10
A
8
DA
285.44
183.63
64.69
122.76
0.0
0.0
230.15
10
B
9
DT
0.0
0.0
60.51
123.9
187.66
287.87
221.92
10
B
10
DT
286.97
172.66
48.05
93.22
359.66
85.34
223.67
10
B
11
DC
58.61
205.17
177.13
73.68
166.98
304.06
199.9
10
B
12
DT
267.7
218.14
63.3
110.39
359.95
110.07
222.92
10
B
13
DC
256.94
145.75
44.59
91.47
163.61
286.46
225.69
10
B
14
DT
291.13
171.66
62.84
123.4
0.11
107.35
222.21
10
B
15
DC
57.86
176.75
181.22
101.96
174.32
283.17
222.09
10
B
16
DT
146.97
174.13
194.68
156.8
0.0
0.0
221.79
10
C
17
U
0.0
0.0
180.43
164.97
302.87
159.23
259.87
10
C
18
C
320.86
120.12
313.82
95.16
142.2
289.3
286.43
10
C
19
U
301.0
153.26
71.84
117.35
171.04
269.1
214.11
10
C
20
C
155.02
186.87
173.55
91.03
184.25
285.45
198.05
10
C
21
U
135.5
182.18
173.53
79.76
198.4
308.04
193.59
10
C
22
C
291.43
174.16
62.26
81.2
230.09
261.0
180.71
10
C
23
U
308.98
150.06
63.73
155.1
181.27
275.08
219.43
10
C
24
U
150.48
156.31
180.2
158.2
0.0
0.0
220.17