Analysis of interatomic Contacts of Structural Units in PDB entry:
3N2K


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 3N2K entry

There are 4 chains in PDB entry 3N2K (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 2ASP 438
B
 ARG 2THR 439
C
 ARG 2ASP 438
D
 ARG 2GLU 22
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 84 helices in PDB entry 3N2K. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
10 28Right-handed alpha
Helix 2
2
A
73 79Right-handed alpha
Helix 3
3
A
88 90Right-handed 310
Helix 4
4
A
102 108Right-handed alpha
Helix 5
5
A
110 128Right-handed alpha
Helix 6
6
A
143 161Right-handed alpha
Helix 7
7
A
182 196Right-handed alpha
Helix 8
8
A
205 217Right-handed alpha
Helix 9
9
A
223 239Right-handed alpha
Helix 10
10
A
240 245Right-handed alpha
Helix 11
11
A
251 260Right-handed alpha
Helix 12
12
A
287 296Right-handed alpha
Helix 13
13
A
297 301Right-handed 310
Helix 14
14
A
324 337Right-handed alpha
Helix 15
15
A
385 400Right-handed alpha
Helix 16
16
A
405 412Right-handed alpha
Helix 17
17
A
414 432Right-handed alpha
Helix 18
18
B
10 29Right-handed alpha
Helix 19
19
B
41 47Right-handed 310
Helix 20
20
B
48 53Right-handed alpha
Helix 21
21
B
71 73Right-handed 310
Helix 22
22
B
74 79Right-handed alpha
Helix 23
23
B
83 87Right-handed 310
Helix 24
24
B
88 90Right-handed 310
Helix 25
25
B
102 108Right-handed alpha
Helix 26
26
B
108 113Right-handed alpha
Helix 27
27
B
115 127Right-handed alpha
Helix 28
28
B
143 158Right-handed alpha
Helix 29
29
B
182 195Right-handed alpha
Helix 30
30
B
206 215Right-handed alpha
Helix 31
31
B
227 240Right-handed alpha
Helix 32
32
B
241 243Right-handed 310
Helix 33
33
B
252 258Right-handed alpha
Helix 34
34
B
288 296Right-handed alpha
Helix 35
35
B
327 339Right-handed alpha
Helix 36
36
B
384 400Right-handed alpha
Helix 37
37
B
405 410Right-handed alpha
Helix 38
38
B
414 433Right-handed alpha
Helix 39
39
B
434 436Right-handed 310
Helix 40
40
C
10 28Right-handed alpha
Helix 41
41
C
74 78Right-handed 310
Helix 42
42
C
88 90Right-handed 310
Helix 43
43
C
102 108Right-handed alpha
Helix 44
44
C
110 128Right-handed alpha
Helix 45
45
C
143 161Right-handed alpha
Helix 46
46
C
174 178Right-handed 310
Helix 47
47
C
182 195Right-handed alpha
Helix 48
48
C
206 217Right-handed alpha
Helix 49
49
C
223 239Right-handed alpha
Helix 50
50
C
239 244Right-handed alpha
Helix 51
51
C
251 257Right-handed alpha
Helix 52
52
C
287 293Right-handed alpha
Helix 53
53
C
297 301Right-handed 310
Helix 54
54
C
324 337Right-handed alpha
Helix 55
55
C
385 400Right-handed alpha
Helix 56
56
C
405 412Right-handed alpha
Helix 57
57
C
414 432Right-handed alpha
Helix 58
58
D
10 29Right-handed alpha
Helix 59
59
D
42 47Right-handed 310
Helix 60
60
D
48 53Right-handed alpha
Helix 61
61
D
71 73Right-handed 310
Helix 62
62
D
74 79Right-handed alpha
Helix 63
63
D
83 87Right-handed 310
Helix 64
64
D
88 90Right-handed 310
Helix 65
65
D
102 108Right-handed alpha
Helix 66
66
D
115 129Right-handed alpha
Helix 67
67
D
143 158Right-handed alpha
Helix 68
68
D
182 198Right-handed alpha
Helix 69
69
D
205 215Right-handed alpha
Helix 70
70
D
227 240Right-handed alpha
Helix 71
71
D
241 243Right-handed 310
Helix 72
72
D
252 258Right-handed alpha
Helix 73
73
D
288 293Right-handed alpha
Helix 74
74
D
297 301Right-handed 310
Helix 75
75
D
324 339Right-handed alpha
Helix 76
76
D
384 396Right-handed alpha
Helix 77
77
D
405 413Right-handed alpha
Helix 78
78
D
414 433Right-handed alpha
Helix 79
79
D
434 436Right-handed 310
Helix 80
80
E
56 66Right-handed alpha
Helix 81
81
E
78 95Right-handed alpha
Helix 82
82
E
98 103Right-handed alpha
Helix 83
83
E
107 121Right-handed alpha
Helix 84
84
E
123 128Right-handed alpha
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There are 10 sheets in PDB entry 3N2K. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

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
92 93first strand
Strand 2
A
65 68parallel
Strand 3
A
3 9parallel
Strand 4
A
132 140parallel
Strand 5
A
166 171parallel
Strand 6
A
200 203parallel
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There are 4 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
269 270first strand
Strand 2
A
378 381anti-parallel
Strand 3
A
312 321anti-parallel
Strand 4
A
373 374anti-parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
269 270first strand
Strand 2
A
378 381anti-parallel
Strand 3
A
312 321anti-parallel
Strand 4
A
352 356parallel
Strand 5
E
17 21anti-parallel
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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
B
92 93first strand
Strand 2
B
65 68parallel
Strand 3
B
4 9parallel
Strand 4
B
134 140parallel
Strand 5
B
167 172parallel
Strand 6
B
200 205parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
269 272first strand
Strand 2
B
374 381anti-parallel
Strand 3
B
312 320anti-parallel
Strand 4
B
351 356parallel
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There are 6 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
92 93first strand
Strand 2
C
65 68parallel
Strand 3
C
3 9parallel
Strand 4
C
132 140parallel
Strand 5
C
166 172parallel
Strand 6
C
200 205parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
269 270first strand
Strand 2
C
378 381anti-parallel
Strand 3
C
312 321anti-parallel
Strand 4
C
352 356parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
269 270first strand
Strand 2
C
378 381anti-parallel
Strand 3
C
312 321anti-parallel
Strand 4
C
373 374anti-parallel
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There are 6 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
92 93first strand
Strand 2
D
65 68parallel
Strand 3
D
4 9parallel
Strand 4
D
134 140parallel
Strand 5
D
168 171parallel
Strand 6
D
201 203parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
271 272first strand
Strand 2
D
374 381anti-parallel
Strand 3
D
312 320anti-parallel
Strand 4
D
351 356parallel
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