Analysis of interatomic Contacts of Structural Units in PDB entry:
4NS1


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 4NS1 entry

There are 8 chains in PDB entry 4NS1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 16ILE 145
A
 ASP 147VAL 288
B
 GLN 14ILE 145
B
 ASP 147VAL 288
C
 MSE 16ILE 145
C
 ASP 147VAL 288
D
 PHE 13ILE 145
D
 ASP 147VAL 288
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 36 helices in PDB entry 4NS1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 32Right-handed alpha
Helix 2
2
A
50 55Right-handed alpha
Helix 3
3
A
64 66Right-handed 310
Helix 4
4
A
99 103Right-handed 310
Helix 5
5
A
105 119Right-handed alpha
Helix 6
6
A
176 190Right-handed alpha
Helix 7
7
A
209 219Right-handed alpha
Helix 8
8
A
228 238Right-handed alpha
Helix 9
9
A
262 288Right-handed alpha
Helix 10
10
B
15 32Right-handed alpha
Helix 11
11
B
50 55Right-handed alpha
Helix 12
12
B
64 66Right-handed 310
Helix 13
13
B
99 103Right-handed 310
Helix 14
14
B
105 119Right-handed alpha
Helix 15
15
B
176 190Right-handed alpha
Helix 16
16
B
209 219Right-handed alpha
Helix 17
17
B
228 238Right-handed alpha
Helix 18
18
B
262 288Right-handed alpha
Helix 19
19
C
17 32Right-handed alpha
Helix 20
20
C
50 55Right-handed alpha
Helix 21
21
C
64 66Right-handed 310
Helix 22
22
C
99 103Right-handed 310
Helix 23
23
C
105 119Right-handed alpha
Helix 24
24
C
176 190Right-handed alpha
Helix 25
25
C
209 219Right-handed alpha
Helix 26
26
C
228 238Right-handed alpha
Helix 27
27
C
262 288Right-handed alpha
Helix 28
28
D
14 32Right-handed alpha
Helix 29
29
D
50 55Right-handed alpha
Helix 30
30
D
64 66Right-handed 310
Helix 31
31
D
99 103Right-handed 310
Helix 32
32
D
105 119Right-handed alpha
Helix 33
33
D
176 190Right-handed alpha
Helix 34
34
D
209 219Right-handed alpha
Helix 35
35
D
228 238Right-handed alpha
Helix 36
36
D
262 288Right-handed alpha
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There are 4 sheets in PDB entry 4NS1. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 10 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
56 62first strand
Strand 2
A
80 86anti-parallel
Strand 3
A
89 95anti-parallel
Strand 4
A
40 43parallel
Strand 5
A
123 132parallel
Strand 6
A
241 251parallel
Strand 7
A
142 150anti-parallel
Strand 8
A
195 201parallel
Strand 9
A
223 225parallel
Strand 10
A
123 132anti-parallel
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There are 10 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
56 62first strand
Strand 2
B
80 86anti-parallel
Strand 3
B
89 95anti-parallel
Strand 4
B
40 43parallel
Strand 5
B
123 132parallel
Strand 6
B
241 251parallel
Strand 7
B
142 150anti-parallel
Strand 8
B
195 201parallel
Strand 9
B
223 225parallel
Strand 10
B
123 132anti-parallel
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There are 10 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
56 62first strand
Strand 2
C
80 86anti-parallel
Strand 3
C
89 95anti-parallel
Strand 4
C
40 43parallel
Strand 5
C
123 132parallel
Strand 6
C
241 251parallel
Strand 7
C
142 150anti-parallel
Strand 8
C
195 201parallel
Strand 9
C
223 225parallel
Strand 10
C
123 132anti-parallel
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There are 10 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
56 62first strand
Strand 2
D
80 86anti-parallel
Strand 3
D
89 95anti-parallel
Strand 4
D
40 43parallel
Strand 5
D
123 132parallel
Strand 6
D
241 251parallel
Strand 7
D
142 150anti-parallel
Strand 8
D
195 201parallel
Strand 9
D
223 225parallel
Strand 10
D
123 132anti-parallel
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