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


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 3NIQ entry

There are 2 chains in PDB entry 3NIQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 4ALA 318
B
 ASP 4ARG 316
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 33 helices in PDB entry 3NIQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
22 26Right-handed 310
Helix 2
2
A
31 35Right-handed 310
Helix 3
3
A
53 55Right-handed 310
Helix 4
4
A
56 65Right-handed alpha
Helix 5
5
A
66 68Right-handed 310
Helix 6
6
A
78 83Right-handed alpha
Helix 7
7
A
97 115Right-handed alpha
Helix 8
8
A
125 127Right-handed 310
Helix 9
9
A
128 137Right-handed alpha
Helix 10
10
A
167 175Right-handed alpha
Helix 11
11
A
198 205Right-handed alpha
Helix 12
12
A
211 231Right-handed alpha
Helix 13
13
A
242 244Right-handed 310
Helix 14
14
A
261 271Right-handed alpha
Helix 15
15
A
286 290Right-handed 310
Helix 16
16
A
293 318Right-handed alpha
Helix 17
17
B
22 26Right-handed 310
Helix 18
18
B
31 35Right-handed 310
Helix 19
19
B
53 55Right-handed 310
Helix 20
20
B
56 65Right-handed alpha
Helix 21
21
B
66 68Right-handed 310
Helix 22
22
B
78 83Right-handed alpha
Helix 23
23
B
97 115Right-handed alpha
Helix 24
24
B
125 127Right-handed 310
Helix 25
25
B
128 137Right-handed alpha
Helix 26
26
B
167 175Right-handed alpha
Helix 27
27
B
198 205Right-handed alpha
Helix 28
28
B
211 218Right-handed alpha
Helix 29
29
B
218 231Right-handed alpha
Helix 30
30
B
242 244Right-handed 310
Helix 31
31
B
261 271Right-handed alpha
Helix 32
32
B
286 290Right-handed 310
Helix 33
33
B
293 315Right-handed alpha
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There are 2 sheets in PDB entry 3NIQ. Click on sheet of interest to get list of strands forming it: A, B,

There are 8 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
85 90first strand
Strand 2
A
37 42parallel
Strand 3
A
118 123parallel
Strand 4
A
277 283parallel
Strand 5
A
235 240parallel
Strand 6
A
142 147parallel
Strand 7
A
178 188parallel
Strand 8
A
207 210parallel
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There are 8 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
85 90first strand
Strand 2
B
37 42parallel
Strand 3
B
118 123parallel
Strand 4
B
276 283parallel
Strand 5
B
234 240parallel
Strand 6
B
142 147parallel
Strand 7
B
178 188parallel
Strand 8
B
207 210parallel
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