Analysis of interatomic Contacts of Structural Units in PDB entry:
2O20


Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
For CSU analysis of other PDB entry

This page provides analyses of contacts formed by:
For analysis of ligand-protein contacts, use: 3D structure can be seen in additional window with STING software for 2O20 entry

There are 8 chains in PDB entry 2O20 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 62LYS 332
C
 THR 63LYS 332
D
 THR 63LYS 332
B
 LEU 58LYS 332
E
 ARG 62LYS 332
F
 LYS 61LYS 332
G
 ARG 62LYS 332
H
 LYS 61LYS 332
Residue contacts

1. List of contacts for up to 10 consecutive residues:
Chain ID from residue number to residue number


2. Detailed analyses of contacts for any single residue:
Residue number chain ID
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There are 81 helices in PDB entry 2O20. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
75 92Right-handed alpha
Helix 2
2
A
104 118Right-handed alpha
Helix 3
3
A
131 142Right-handed alpha
Helix 4
4
A
163 178Right-handed alpha
Helix 5
5
A
192 209Right-handed alpha
Helix 6
6
A
214 216Right-handed 310
Helix 7
7
A
224 238Right-handed alpha
Helix 8
8
A
247 261Right-handed alpha
Helix 9
9
A
277 282Right-handed 310
Helix 10
10
A
293 310Right-handed alpha
Helix 11
11
C
75 92Right-handed alpha
Helix 12
12
C
104 118Right-handed alpha
Helix 13
13
C
131 142Right-handed alpha
Helix 14
14
C
163 178Right-handed alpha
Helix 15
15
C
192 210Right-handed alpha
Helix 16
16
C
214 216Right-handed 310
Helix 17
17
C
224 238Right-handed alpha
Helix 18
18
C
247 261Right-handed alpha
Helix 19
19
C
277 282Right-handed alpha
Helix 20
20
C
293 310Right-handed alpha
Helix 21
21
D
75 92Right-handed alpha
Helix 22
22
D
104 118Right-handed alpha
Helix 23
23
D
131 140Right-handed alpha
Helix 24
24
D
163 178Right-handed alpha
Helix 25
25
D
192 209Right-handed alpha
Helix 26
26
D
214 216Right-handed 310
Helix 27
27
D
224 238Right-handed alpha
Helix 28
28
D
247 262Right-handed alpha
Helix 29
29
D
277 282Right-handed alpha
Helix 30
30
D
293 310Right-handed alpha
Helix 31
31
B
75 92Right-handed alpha
Helix 32
32
B
104 119Right-handed alpha
Helix 33
33
B
131 142Right-handed alpha
Helix 34
34
B
163 178Right-handed alpha
Helix 35
35
B
192 209Right-handed alpha
Helix 36
36
B
214 216Right-handed 310
Helix 37
37
B
224 238Right-handed alpha
Helix 38
38
B
247 261Right-handed alpha
Helix 39
39
B
277 283Right-handed 310
Helix 40
40
B
293 310Right-handed alpha
Helix 41
41
E
75 92Right-handed alpha
Helix 42
42
E
104 118Right-handed alpha
Helix 43
43
E
131 142Right-handed alpha
Helix 44
44
E
163 178Right-handed alpha
Helix 45
45
E
192 209Right-handed alpha
Helix 46
46
E
214 216Right-handed 310
Helix 47
47
E
224 238Right-handed alpha
Helix 48
48
E
247 261Right-handed alpha
Helix 49
49
E
277 282Right-handed 310
Helix 50
50
E
293 310Right-handed alpha
Helix 51
51
F
75 92Right-handed alpha
Helix 52
52
F
104 118Right-handed alpha
Helix 53
53
F
131 142Right-handed alpha
Helix 54
54
F
163 178Right-handed alpha
Helix 55
55
F
192 209Right-handed alpha
Helix 56
56
F
214 216Right-handed 310
Helix 57
57
F
224 238Right-handed alpha
Helix 58
58
F
247 261Right-handed alpha
Helix 59
59
F
277 283Right-handed 310
Helix 60
60
F
293 310Right-handed alpha
Helix 61
61
G
75 92Right-handed alpha
Helix 62
62
G
104 118Right-handed alpha
Helix 63
63
G
131 142Right-handed alpha
Helix 64
64
G
163 178Right-handed alpha
Helix 65
65
G
192 209Right-handed alpha
Helix 66
66
G
214 216Right-handed 310
Helix 67
67
G
224 238Right-handed alpha
Helix 68
68
G
247 261Right-handed alpha
Helix 69
69
G
277 282Right-handed 310
Helix 70
70
G
293 311Right-handed alpha
Helix 71
71
H
75 92Right-handed alpha
Helix 72
72
H
104 118Right-handed alpha
Helix 73
73
H
131 142Right-handed alpha
Helix 74
74
H
163 178Right-handed alpha
Helix 75
75
H
192 209Right-handed alpha
Helix 76
76
H
214 216Right-handed 310
Helix 77
77
H
224 230Right-handed alpha
Helix 78
78
H
231 238Right-handed alpha
Helix 79
79
H
247 262Right-handed alpha
Helix 80
80
H
277 283Right-handed 310
Helix 81
81
H
293 310Right-handed alpha
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There are 19 sheets in PDB entry 2O20. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S,

There are 6 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
95 100first strand
Strand 2
A
65 70parallel
Strand 3
A
122 125parallel
Strand 4
A
145 148parallel
Strand 5
A
159 161parallel
Strand 6
A
318 320parallel
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There are 6 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
218 219first strand
Strand 2
A
183 186parallel
Strand 3
A
242 245parallel
Strand 4
A
270 273parallel
Strand 5
A
288 291parallel
Strand 6
A
324 326anti-parallel
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There are 6 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
95 100first strand
Strand 2
C
65 70parallel
Strand 3
C
122 126parallel
Strand 4
C
145 148parallel
Strand 5
C
159 162parallel
Strand 6
C
318 321parallel
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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
218 219first strand
Strand 2
C
183 186parallel
Strand 3
C
242 245parallel
Strand 4
C
270 273parallel
Strand 5
C
288 291parallel
Strand 6
C
324 326anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
95 100first strand
Strand 2
D
65 70parallel
Strand 3
D
122 126parallel
Strand 4
D
145 148parallel
Strand 5
D
159 162parallel
Strand 6
D
318 321parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
218 219first strand
Strand 2
D
183 186parallel
Strand 3
D
242 245parallel
Strand 4
D
270 273parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
289 291first strand
Strand 2
D
324 326anti-parallel
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There are 6 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
95 100first strand
Strand 2
B
65 70parallel
Strand 3
B
122 125parallel
Strand 4
B
145 148parallel
Strand 5
B
159 161parallel
Strand 6
B
318 320parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
218 219first strand
Strand 2
B
183 186parallel
Strand 3
B
242 245parallel
Strand 4
B
270 272parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
289 291first strand
Strand 2
B
324 326anti-parallel
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There are 6 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
95 100first strand
Strand 2
E
65 70parallel
Strand 3
E
122 125parallel
Strand 4
E
145 148parallel
Strand 5
E
159 162parallel
Strand 6
E
318 321parallel
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There are 6 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
218 219first strand
Strand 2
E
183 186parallel
Strand 3
E
242 245parallel
Strand 4
E
270 273parallel
Strand 5
E
288 291parallel
Strand 6
E
324 326anti-parallel
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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
95 100first strand
Strand 2
F
65 70parallel
Strand 3
F
122 125parallel
Strand 4
F
145 148parallel
Strand 5
F
159 162parallel
Strand 6
F
318 321parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
218 219first strand
Strand 2
F
183 186parallel
Strand 3
F
242 245parallel
Strand 4
F
270 272parallel
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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
289 291first strand
Strand 2
F
324 326anti-parallel
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There are 6 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
95 100first strand
Strand 2
G
65 70parallel
Strand 3
G
122 125parallel
Strand 4
G
145 148parallel
Strand 5
G
159 162parallel
Strand 6
G
318 321parallel
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There are 6 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
218 219first strand
Strand 2
G
183 186parallel
Strand 3
G
242 245parallel
Strand 4
G
270 273parallel
Strand 5
G
288 291parallel
Strand 6
G
324 326anti-parallel
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There are 6 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
95 100first strand
Strand 2
H
65 70parallel
Strand 3
H
122 126parallel
Strand 4
H
145 148parallel
Strand 5
H
159 161parallel
Strand 6
H
318 320parallel
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There are 6 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
218 219first strand
Strand 2
H
183 186parallel
Strand 3
H
242 245parallel
Strand 4
H
270 273parallel
Strand 5
H
288 291parallel
Strand 6
H
324 326anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il