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


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 3NAI entry

There are 3 chains in PDB entry 3NAI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 7THR 492
B
 ARG 7THR 492
C
 ARG 7THR 492
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 56 helices in PDB entry 3NAI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
61 71Right-handed alpha
Helix 2
2
A
72 75Right-handed 310
Helix 3
3
A
82 101Right-handed alpha
Helix 4
4
A
108 116Right-handed alpha
Helix 5
5
A
129 134Right-handed 310
Helix 6
6
A
140 156Right-handed alpha
Helix 7
7
A
175 180Right-handed alpha
Helix 8
8
A
191 211Right-handed alpha
Helix 9
9
A
223 236Right-handed alpha
Helix 10
10
A
249 253Right-handed 310
Helix 11
11
A
254 268Right-handed alpha
Helix 12
12
A
271 284Right-handed alpha
Helix 13
13
A
307 329Right-handed alpha
Helix 14
14
A
331 336Right-handed alpha
Helix 15
15
A
357 368Right-handed alpha
Helix 16
16
A
410 419Right-handed alpha
Helix 17
17
A
440 452Right-handed alpha
Helix 18
18
A
454 471Right-handed alpha
Helix 19
19
A
480 490Right-handed alpha
Helix 20
20
B
61 71Right-handed alpha
Helix 21
21
B
72 75Right-handed 310
Helix 22
22
B
82 99Right-handed alpha
Helix 23
23
B
108 116Right-handed alpha
Helix 24
24
B
129 134Right-handed 310
Helix 25
25
B
140 156Right-handed alpha
Helix 26
26
B
175 180Right-handed alpha
Helix 27
27
B
191 211Right-handed alpha
Helix 28
28
B
227 236Right-handed alpha
Helix 29
29
B
248 253Right-handed alpha
Helix 30
30
B
254 268Right-handed alpha
Helix 31
31
B
271 284Right-handed alpha
Helix 32
32
B
307 329Right-handed alpha
Helix 33
33
B
331 338Right-handed alpha
Helix 34
34
B
357 368Right-handed alpha
Helix 35
35
B
410 419Right-handed alpha
Helix 36
36
B
440 452Right-handed alpha
Helix 37
37
B
453 470Right-handed alpha
Helix 38
38
B
480 490Right-handed alpha
Helix 39
39
C
61 71Right-handed alpha
Helix 40
40
C
72 74Right-handed 310
Helix 41
41
C
82 101Right-handed alpha
Helix 42
42
C
108 116Right-handed alpha
Helix 43
43
C
129 134Right-handed 310
Helix 44
44
C
140 157Right-handed alpha
Helix 45
45
C
175 180Right-handed alpha
Helix 46
46
C
191 211Right-handed alpha
Helix 47
47
C
223 237Right-handed alpha
Helix 48
48
C
254 268Right-handed alpha
Helix 49
49
C
271 284Right-handed alpha
Helix 50
50
C
307 329Right-handed alpha
Helix 51
51
C
331 338Right-handed alpha
Helix 52
52
C
357 368Right-handed alpha
Helix 53
53
C
410 419Right-handed alpha
Helix 54
54
C
439 452Right-handed alpha
Helix 55
55
C
454 468Right-handed alpha
Helix 56
56
C
480 490Right-handed alpha
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There are 17 sheets in PDB entry 3NAI. 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,

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
11 12first strand
Strand 2
A
15 20anti-parallel
Strand 3
A
293 297anti-parallel
Strand 4
A
286 289anti-parallel
Strand 5
A
163 168parallel
Strand 6
A
186 189anti-parallel
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There are 2 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
30 34first strand
Strand 2
A
420 426anti-parallel
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There are 2 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
46 47first strand
Strand 2
A
172 173anti-parallel
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There are 3 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
240 242first strand
Strand 2
A
347 352anti-parallel
Strand 3
A
339 344anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
245 246first strand
Strand 2
A
372 373anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
392 393first strand
Strand 2
A
396 400anti-parallel
Strand 3
A
405 409anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
11 12first strand
Strand 2
B
15 20anti-parallel
Strand 3
B
293 297anti-parallel
Strand 4
B
286 289anti-parallel
Strand 5
B
163 168parallel
Strand 6
B
186 189anti-parallel
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There are 2 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
30 34first strand
Strand 2
B
420 426anti-parallel
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There are 2 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
46 47first strand
Strand 2
B
172 173anti-parallel
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There are 3 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
240 242first strand
Strand 2
B
347 352anti-parallel
Strand 3
B
339 344anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
245 246first strand
Strand 2
B
372 373anti-parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
392 393first strand
Strand 2
B
396 401anti-parallel
Strand 3
B
404 409anti-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
C
11 12first strand
Strand 2
C
15 20anti-parallel
Strand 3
C
293 297anti-parallel
Strand 4
C
286 289anti-parallel
Strand 5
C
163 168parallel
Strand 6
C
186 189anti-parallel
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There are 2 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
30 34first strand
Strand 2
C
420 426anti-parallel
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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
C
46 47first strand
Strand 2
C
172 173anti-parallel
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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
339 344first strand
Strand 2
C
347 352anti-parallel
Strand 3
C
240 246anti-parallel
Strand 4
C
372 374anti-parallel
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There are 3 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
392 393first strand
Strand 2
C
396 401anti-parallel
Strand 3
C
404 409anti-parallel
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