Analysis of interatomic Contacts of Structural Units in PDB entry:
4N3O


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 4N3O entry

There are 2 chains in PDB entry 4N3O (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER -2ILE 339
B
 SER -2ILE 339
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 23 helices in PDB entry 4N3O. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
58 61Right-handed 310
Helix 2
2
A
78 92Right-handed alpha
Helix 3
3
A
114 132Right-handed alpha
Helix 4
4
A
136 151Right-handed alpha
Helix 5
5
A
158 167Right-handed alpha
Helix 6
6
A
188 198Right-handed alpha
Helix 7
7
A
228 231Right-handed 310
Helix 8
8
A
232 246Right-handed alpha
Helix 9
9
A
248 260Right-handed alpha
Helix 10
10
A
263 271Right-handed alpha
Helix 11
11
A
272 285Right-handed alpha
Helix 12
12
A
309 318Right-handed alpha
Helix 13
13
B
58 61Right-handed 310
Helix 14
14
B
78 92Right-handed alpha
Helix 15
15
B
114 132Right-handed alpha
Helix 16
16
B
136 152Right-handed alpha
Helix 17
17
B
158 167Right-handed alpha
Helix 18
18
B
188 198Right-handed alpha
Helix 19
19
B
227 232Right-handed alpha
Helix 20
20
B
232 247Right-handed alpha
Helix 21
21
B
248 259Right-handed alpha
Helix 22
22
B
274 284Right-handed alpha
Helix 23
23
B
306 319Right-handed alpha
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There are 6 sheets in PDB entry 4N3O. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
62 67first strand
Strand 2
A
52 57anti-parallel
Strand 3
A
99 105parallel
Strand 4
A
28 47anti-parallel
Strand 5
A
169 175anti-parallel
Strand 6
A
179 185anti-parallel
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There are 6 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
62 67first strand
Strand 2
A
52 57anti-parallel
Strand 3
A
99 105parallel
Strand 4
A
28 47anti-parallel
Strand 5
A
3 18anti-parallel
Strand 6
A
335 338anti-parallel
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There are 4 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
287 293first strand
Strand 2
A
300 305anti-parallel
Strand 3
A
199 203anti-parallel
Strand 4
A
323 324anti-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
62 67first strand
Strand 2
B
52 57anti-parallel
Strand 3
B
99 105parallel
Strand 4
B
28 47anti-parallel
Strand 5
B
169 175anti-parallel
Strand 6
B
179 185anti-parallel
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There are 6 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
62 67first strand
Strand 2
B
52 57anti-parallel
Strand 3
B
99 105parallel
Strand 4
B
28 47anti-parallel
Strand 5
B
3 18anti-parallel
Strand 6
B
335 338anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
289 293first strand
Strand 2
B
300 304anti-parallel
Strand 3
B
199 203anti-parallel
Strand 4
B
323 325anti-parallel
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