Analysis of interatomic Contacts of Structural Units in PDB entry:
4N4U


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 4N4U entry

There are 2 chains in PDB entry 4N4U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 23ARG 326
B
 THR 25ARG 326
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 30 helices in PDB entry 4N4U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
37 54Right-handed alpha
Helix 2
2
A
71 73Right-handed 310
Helix 3
3
A
74 81Right-handed alpha
Helix 4
4
A
91 95Right-handed 310
Helix 5
5
A
96 104Right-handed 310
Helix 6
6
A
110 132Right-handed alpha
Helix 7
7
A
156 160Right-handed 310
Helix 8
8
A
168 178Right-handed alpha
Helix 9
9
A
186 188Right-handed 310
Helix 10
10
A
189 197Right-handed alpha
Helix 11
11
A
208 213Right-handed alpha
Helix 12
12
A
214 217Right-handed 310
Helix 13
13
A
236 241Right-handed alpha
Helix 14
14
A
243 280Right-handed alpha
Helix 15
15
A
287 310Right-handed alpha
Helix 16
16
A
310 325Right-handed alpha
Helix 17
17
B
37 54Right-handed alpha
Helix 18
18
B
74 81Right-handed alpha
Helix 19
19
B
96 104Right-handed 310
Helix 20
20
B
110 131Right-handed alpha
Helix 21
21
B
155 160Right-handed alpha
Helix 22
22
B
168 178Right-handed alpha
Helix 23
23
B
186 188Right-handed 310
Helix 24
24
B
189 196Right-handed alpha
Helix 25
25
B
208 213Right-handed alpha
Helix 26
26
B
214 217Right-handed 310
Helix 27
27
B
236 242Right-handed alpha
Helix 28
28
B
243 279Right-handed alpha
Helix 29
29
B
287 310Right-handed alpha
Helix 30
30
B
310 325Right-handed alpha
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There are 4 sheets in PDB entry 4N4U. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
58 63first strand
Strand 2
A
24 29parallel
Strand 3
A
86 89parallel
Strand 4
A
219 235anti-parallel
Strand 5
A
134 149anti-parallel
Strand 6
A
201 204anti-parallel
Strand 7
A
163 166parallel
Strand 8
A
181 184parallel
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There are 5 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
58 63first strand
Strand 2
A
24 29parallel
Strand 3
A
86 89parallel
Strand 4
A
219 235anti-parallel
Strand 5
A
282 285parallel
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There are 8 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
60 63first strand
Strand 2
B
26 29parallel
Strand 3
B
86 89parallel
Strand 4
B
219 235anti-parallel
Strand 5
B
134 149anti-parallel
Strand 6
B
201 204anti-parallel
Strand 7
B
163 165parallel
Strand 8
B
181 183parallel
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There are 5 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
60 63first strand
Strand 2
B
26 29parallel
Strand 3
B
86 89parallel
Strand 4
B
219 235anti-parallel
Strand 5
B
282 284parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il