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:
2KP4
PDB ID:
2KP4
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
GFL
0.0
0.0
59.31
123.46
188.86
259.36
255.33
1
A
2
CFL
290.93
173.15
54.96
118.76
181.61
267.56
240.87
1
A
3
TAF
297.29
171.96
64.56
114.92
200.11
277.9
231.38
1
A
4
A5L
282.89
179.61
42.24
121.67
177.93
267.12
260.89
1
A
5
TAF
298.24
166.11
64.97
96.74
191.85
279.38
220.2
1
A
6
A5L
289.36
175.01
56.94
103.87
194.86
276.39
219.4
1
A
7
A5L
285.09
174.54
57.73
116.28
181.91
268.11
246.79
1
A
8
TAF
294.87
168.29
63.83
98.98
194.77
281.87
221.96
1
A
9
GFL
286.26
178.85
48.67
131.84
180.4
256.61
247.43
1
A
10
GFL
292.74
191.92
50.49
136.5
0.0
0.0
236.73
1
B
11
C
0.0
0.0
58.57
75.1
189.26
284.3
210.86
1
B
12
C
269.55
187.08
63.99
82.53
207.2
292.8
206.68
1
B
13
A
285.88
167.34
72.6
85.89
191.73
285.04
201.29
1
B
14
U
271.95
179.69
64.84
81.37
198.09
290.54
203.91
1
B
15
U
279.35
167.56
73.17
84.13
200.68
294.15
200.87
1
B
16
A
280.77
174.04
70.15
79.74
192.88
284.14
195.44
1
B
17
U
277.1
175.05
69.22
79.35
201.9
296.03
201.29
1
B
18
A
280.33
169.83
73.21
87.28
193.44
286.5
197.29
1
B
19
G
274.3
180.44
69.31
84.42
202.68
293.04
208.11
1
B
20
C
282.0
174.57
66.86
91.24
0.0
0.0
205.21
2
A
1
GFL
0.0
0.0
56.9
126.89
192.26
261.64
245.56
2
A
2
CFL
287.94
173.24
54.68
114.48
190.06
272.95
230.3
2
A
3
TAF
292.49
172.72
57.95
102.02
193.86
278.68
227.57
2
A
4
A5L
289.29
179.95
46.68
125.75
184.36
266.73
252.56
2
A
5
TAF
293.5
163.72
67.15
99.03
198.14
285.86
217.91
2
A
6
A5L
279.97
176.81
53.38
100.63
187.31
272.74
232.6
2
A
7
A5L
295.79
171.84
56.64
113.0
182.19
267.21
244.16
2
A
8
TAF
292.41
173.63
57.1
95.23
189.25
281.69
219.63
2
A
9
GFL
292.58
175.62
56.12
126.94
175.91
263.33
231.48
2
A
10
GFL
292.24
212.62
48.25
135.68
0.0
0.0
244.82
2
B
11
C
0.0
0.0
62.47
81.05
203.46
293.58
209.43
2
B
12
C
279.1
172.52
68.53
77.4
196.08
295.29
196.55
2
B
13
A
285.55
170.18
73.31
83.54
187.84
284.87
197.98
2
B
14
U
274.73
180.14
67.6
77.83
198.52
295.37
200.31
2
B
15
U
280.91
169.78
68.38
77.53
198.52
289.25
198.37
2
B
16
A
282.73
171.4
72.94
83.61
205.51
281.81
194.4
2
B
17
U
273.57
174.79
67.28
79.53
199.21
295.57
202.06
2
B
18
A
281.25
169.98
71.94
84.24
203.14
288.19
196.3
2
B
19
G
278.22
171.31
69.45
80.34
201.97
293.92
200.99
2
B
20
C
281.94
178.91
64.86
87.89
0.0
0.0
202.8
3
A
1
GFL
0.0
0.0
303.82
141.38
186.41
266.67
249.68
3
A
2
CFL
291.2
181.08
47.05
128.4
210.22
290.33
238.54
3
A
3
TAF
250.5
65.94
174.37
143.09
210.92
287.52
217.48
3
A
4
A5L
271.52
177.8
36.69
121.14
175.75
263.93
262.64
3
A
5
TAF
297.96
165.59
68.2
98.22
198.08
287.18
213.16
3
A
6
A5L
283.09
178.47
51.69
100.73
187.47
273.9
226.91
3
A
7
A5L
296.39
175.23
53.62
110.64
182.88
270.43
242.06
3
A
8
TAF
295.86
167.21
61.64
104.83
205.33
315.18
223.35
3
A
9
GFL
226.51
75.73
169.85
142.0
196.75
277.39
212.27
3
A
10
GFL
286.89
195.29
34.18
135.35
0.0
0.0
249.16
3
B
11
C
0.0
0.0
56.52
75.6
194.91
293.19
210.4
3
B
12
C
273.89
180.08
66.46
74.8
202.59
298.15
201.27
3
B
13
A
281.91
172.88
70.89
84.71
188.64
284.18
203.39
3
B
14
U
272.55
176.45
70.94
83.39
198.7
291.03
202.89
3
B
15
U
280.35
169.07
70.62
80.68
199.55
292.9
201.71
3
B
16
A
282.95
170.76
71.65
82.35
199.66
283.55
192.43
3
B
17
U
276.87
178.0
66.44
82.36
199.67
293.22
201.25
3
B
18
A
282.12
170.35
71.69
80.85
191.84
285.18
196.18
3
B
19
G
277.01
176.3
69.28
81.97
203.34
290.36
208.02
3
B
20
C
285.15
172.98
66.27
92.19
0.0
0.0
205.92
4
A
1
GFL
0.0
0.0
57.68
131.42
189.41
265.57
242.97
4
A
2
CFL
291.53
177.62
51.31
109.26
192.06
271.79
222.96
4
A
3
TAF
292.05
177.79
55.58
109.29
194.81
275.79
231.41
4
A
4
A5L
285.57
179.05
47.34
124.62
184.9
269.5
251.66
4
A
5
TAF
293.73
166.08
61.96
96.26
193.65
282.12
219.57
4
A
6
A5L
288.38
176.12
54.71
102.72
184.33
271.43
225.41
4
A
7
A5L
300.53
174.16
56.69
115.36
189.7
269.32
239.83
4
A
8
TAF
287.1
169.46
58.71
92.16
185.73
276.04
226.01
4
A
9
GFL
136.78
178.92
192.64
141.11
195.02
276.12
220.39
4
A
10
GFL
286.94
190.95
35.91
135.45
0.0
0.0
252.97
4
B
11
C
0.0
0.0
66.35
76.74
187.68
281.24
215.52
4
B
12
C
264.51
183.96
66.95
79.93
200.18
299.89
210.01
4
B
13
A
283.32
172.99
67.92
87.18
186.22
279.64
207.38
4
B
14
U
275.2
201.24
64.41
133.63
179.32
279.07
253.03
4
B
15
U
289.29
162.66
56.6
72.37
188.62
288.48
194.77
4
B
16
A
280.02
170.99
69.98
78.6
188.75
285.55
200.6
4
B
17
U
268.03
182.16
69.88
81.9
202.84
293.04
204.53
4
B
18
A
279.01
172.88
69.22
81.62
186.85
286.49
198.6
4
B
19
G
156.45
195.05
176.42
81.23
204.24
292.25
189.77
4
B
20
C
284.95
182.13
65.75
87.3
0.0
0.0
199.59
5
A
1
GFL
0.0
0.0
175.22
138.37
191.86
265.65
246.59
5
A
2
CFL
289.56
173.42
53.4
115.54
179.52
261.48
235.31
5
A
3
TAF
295.88
177.32
65.53
123.32
199.17
278.11
230.89
5
A
4
A5L
281.46
178.58
42.75
126.57
179.46
269.17
259.29
5
A
5
TAF
294.12
172.48
59.74
93.64
191.85
278.34
222.63
5
A
6
A5L
291.07
173.06
57.65
98.34
190.02
275.29
218.55
5
A
7
A5L
293.97
174.32
56.63
124.4
188.81
269.32
245.65
5
A
8
TAF
285.54
169.74
59.0
93.96
185.27
278.6
223.65
5
A
9
GFL
292.64
176.69
54.39
118.06
59.03
93.16
232.54
5
A
10
GFL
256.34
195.84
312.21
156.47
0.0
0.0
275.17
5
B
11
C
0.0
0.0
63.39
76.34
191.0
288.59
205.27
5
B
12
C
265.83
183.93
67.93
75.64
196.89
289.78
201.79
5
B
13
A
284.57
168.17
76.86
88.41
186.29
282.36
203.69
5
B
14
U
268.03
184.16
67.16
83.56
202.18
292.94
204.42
5
B
15
U
279.73
171.26
66.52
82.93
200.4
291.42
200.64
5
B
16
A
281.82
170.93
73.15
81.39
187.81
282.46
195.17
5
B
17
U
276.43
179.84
71.0
86.29
203.43
294.53
203.57
5
B
18
A
280.36
170.91
71.31
83.78
184.4
286.86
199.51
5
B
19
G
155.16
193.05
176.55
81.06
206.52
290.82
194.94
5
B
20
C
287.46
178.57
60.14
90.95
0.0
0.0
205.53
6
A
1
GFL
0.0
0.0
57.62
138.79
193.82
261.25
253.88
6
A
2
CFL
286.08
172.31
53.52
107.69
181.36
269.01
236.04
6
A
3
TAF
297.46
171.15
60.96
104.62
195.59
277.04
229.79
6
A
4
A5L
288.31
178.77
49.01
125.61
182.51
269.41
251.8
6
A
5
TAF
295.36
167.14
62.34
97.83
196.56
284.48
216.83
6
A
6
A5L
282.83
180.61
52.38
110.95
188.29
271.43
230.94
6
A
7
A5L
292.0
175.0
54.28
106.78
185.9
267.6
240.14
6
A
8
TAF
291.54
167.86
61.96
95.82
191.49
279.59
223.75
6
A
9
GFL
287.58
177.15
54.39
130.17
175.68
256.56
246.77
6
A
10
GFL
294.79
193.42
57.1
136.57
0.0
0.0
233.75
6
B
11
C
0.0
0.0
67.01
74.76
197.46
293.82
203.48
6
B
12
C
279.66
177.0
65.28
82.22
213.27
294.79
200.73
6
B
13
A
282.65
173.3
67.38
86.46
185.69
279.71
206.76
6
B
14
U
276.4
198.09
64.55
131.51
180.92
278.39
252.39
6
B
15
U
288.47
161.72
54.72
71.06
190.9
292.12
200.75
6
B
16
A
277.75
168.87
71.26
75.85
190.8
285.13
195.27
6
B
17
U
269.48
187.98
63.47
75.9
195.99
292.68
200.2
6
B
18
A
285.86
167.0
76.41
89.29
201.54
289.23
195.6
6
B
19
G
277.06
173.9
68.77
77.75
205.1
288.28
204.29
6
B
20
C
281.26
173.14
68.04
89.99
0.0
0.0
208.25
7
A
1
GFL
0.0
0.0
299.22
139.96
194.17
266.04
243.92
7
A
2
CFL
289.21
175.82
49.78
113.83
184.75
268.28
234.46
7
A
3
TAF
292.51
177.26
56.54
102.65
193.29
276.46
231.91
7
A
4
A5L
292.0
177.23
47.76
121.62
183.0
270.85
250.32
7
A
5
TAF
296.92
166.67
62.49
96.88
196.14
282.13
217.36
7
A
6
A5L
287.65
177.51
52.8
105.65
190.43
271.92
224.92
7
A
7
A5L
294.32
174.04
55.2
106.32
186.41
270.67
238.35
7
A
8
TAF
292.24
167.15
60.67
94.35
190.71
278.78
222.93
7
A
9
GFL
288.3
177.38
53.98
130.09
179.51
262.77
235.1
7
A
10
GFL
289.59
203.49
46.56
133.68
0.0
0.0
240.91
7
B
11
C
0.0
0.0
64.74
77.95
201.2
292.62
205.62
7
B
12
C
276.52
180.58
63.39
83.28
205.96
298.92
200.57
7
B
13
A
280.99
174.9
67.65
81.41
181.16
277.22
200.4
7
B
14
U
280.79
200.59
65.35
134.24
182.61
278.33
250.32
7
B
15
U
286.79
162.26
54.92
70.87
189.45
289.62
197.7
7
B
16
A
281.17
169.87
71.04
77.05
186.14
283.8
196.81
7
B
17
U
269.98
184.63
71.23
84.21
202.94
294.14
203.19
7
B
18
A
278.63
169.89
70.66
80.55
195.44
285.87
195.89
7
B
19
G
282.82
165.33
74.08
77.6
197.41
293.46
199.87
7
B
20
C
285.82
176.3
65.85
96.11
0.0
0.0
201.8
8
A
1
GFL
0.0
0.0
54.82
128.65
188.35
267.7
242.24
8
A
2
CFL
288.24
182.44
47.1
126.82
211.31
292.41
238.37
8
A
3
TAF
248.79
66.79
171.87
143.23
208.86
285.15
220.26
8
A
4
A5L
265.96
178.8
43.79
127.06
178.53
264.6
265.74
8
A
5
TAF
292.95
166.89
64.49
96.44
193.48
284.11
218.79
8
A
6
A5L
287.03
175.03
57.87
103.64
188.32
272.38
227.69
8
A
7
A5L
293.57
174.01
55.92
114.99
180.95
267.88
246.07
8
A
8
TAF
295.69
172.36
60.8
97.2
187.7
274.06
224.38
8
A
9
GFL
136.8
182.49
187.98
140.16
190.25
268.61
225.24
8
A
10
GFL
285.81
193.74
44.96
132.8
0.0
0.0
244.33
8
B
11
C
0.0
0.0
66.04
75.45
194.4
289.22
211.7
8
B
12
C
276.14
179.76
69.74
84.64
211.5
294.11
203.29
8
B
13
A
282.23
168.48
66.53
81.68
185.72
282.79
203.28
8
B
14
U
273.13
179.02
69.08
79.54
194.28
292.56
202.75
8
B
15
U
283.94
167.22
70.17
83.57
200.75
291.22
202.09
8
B
16
A
280.04
171.59
72.58
86.91
200.23
286.79
197.03
8
B
17
U
271.31
182.76
60.79
80.52
202.7
292.21
204.18
8
B
18
A
281.72
171.2
72.89
82.38
200.75
286.79
197.32
8
B
19
G
276.37
168.47
69.23
78.03
198.05
295.29
204.12
8
B
20
C
285.93
179.05
65.26
89.76
0.0
0.0
202.73
9
A
1
GFL
0.0
0.0
55.33
126.7
181.44
262.58
254.05
9
A
2
CFL
291.88
177.57
56.02
121.34
182.26
267.01
238.82
9
A
3
TAF
294.62
178.81
54.09
103.58
185.7
278.17
226.99
9
A
4
A5L
297.34
177.58
49.62
124.98
188.8
273.0
243.33
9
A
5
TAF
292.93
166.74
57.64
94.24
192.18
284.36
217.93
9
A
6
A5L
287.74
175.61
53.55
104.49
188.03
272.64
225.78
9
A
7
A5L
294.04
175.18
51.5
110.69
185.63
264.43
244.74
9
A
8
TAF
298.48
161.49
65.42
103.17
197.42
329.68
218.97
9
A
9
GFL
208.0
74.09
165.78
142.32
188.21
270.89
214.8
9
A
10
GFL
287.87
200.49
46.5
135.55
0.0
0.0
234.61
9
B
11
C
0.0
0.0
58.33
82.1
198.16
294.82
209.99
9
B
12
C
278.45
178.79
62.2
78.91
209.8
296.74
198.69
9
B
13
A
286.93
170.56
68.85
82.39
187.0
280.61
202.04
9
B
14
U
276.97
196.49
62.14
125.05
180.25
275.67
247.69
9
B
15
U
295.72
161.28
52.92
72.44
185.89
286.42
202.54
9
B
16
A
153.13
194.9
175.67
78.45
200.87
280.63
193.57
9
B
17
U
275.1
175.02
68.21
80.78
200.47
296.46
205.6
9
B
18
A
282.27
167.2
72.0
84.21
194.91
285.32
192.92
9
B
19
G
278.74
169.84
76.85
83.27
202.7
292.4
204.07
9
B
20
C
279.08
175.6
65.82
93.84
0.0
0.0
209.49
10
A
1
GFL
0.0
0.0
51.41
123.45
188.09
267.36
252.53
10
A
2
CFL
291.51
171.66
54.39
103.01
180.82
269.59
230.77
10
A
3
TAF
297.22
174.55
59.51
105.99
192.45
276.16
231.32
10
A
4
A5L
291.01
176.97
49.89
124.24
185.05
268.94
249.2
10
A
5
TAF
294.61
166.45
63.83
101.07
196.78
283.26
221.4
10
A
6
A5L
281.25
178.68
50.69
106.29
182.42
272.05
235.08
10
A
7
A5L
298.7
175.28
54.46
112.12
185.18
265.51
242.04
10
A
8
TAF
292.88
167.14
63.72
94.96
189.46
279.51
222.97
10
A
9
GFL
130.2
178.31
193.6
140.03
184.31
262.16
225.9
10
A
10
GFL
292.26
198.97
50.9
136.58
0.0
0.0
236.72
10
B
11
C
0.0
0.0
60.19
77.73
202.25
294.96
209.23
10
B
12
C
280.43
176.06
64.61
78.23
204.7
290.61
197.68
10
B
13
A
286.56
173.37
69.63
89.31
189.0
281.1
202.45
10
B
14
U
276.22
199.53
64.94
133.58
182.17
278.03
251.54
10
B
15
U
286.39
160.84
58.87
72.97
187.87
290.07
199.66
10
B
16
A
275.87
171.51
70.7
78.16
192.28
285.6
200.05
10
B
17
U
273.71
177.2
68.9
81.36
200.09
292.63
201.89
10
B
18
A
278.91
170.26
72.39
81.59
196.93
289.47
195.32
10
B
19
G
283.04
170.24
72.69
78.19
200.73
289.77
204.44
10
B
20
C
284.24
174.47
64.61
89.53
0.0
0.0
212.1
