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


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 4IPN entry

There are 2 chains in PDB entry 4IPN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
B
 THR 2PHE 470
E
 THR 2PHE 470
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 39 helices in PDB entry 4IPN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
B
15 19Right-handed 310
Helix 2
2
B
24 28Right-handed 310
Helix 3
3
B
32 36Right-handed 310
Helix 4
4
B
59 75Right-handed alpha
Helix 5
5
B
84 89Right-handed alpha
Helix 6
6
B
98 115Right-handed alpha
Helix 7
7
B
129 137Right-handed alpha
Helix 8
8
B
138 142Right-handed 310
Helix 9
9
B
143 160Right-handed alpha
Helix 10
10
B
171 176Right-handed 310
Helix 11
11
B
178 184Right-handed alpha
Helix 12
12
B
188 192Right-handed 310
Helix 13
13
B
193 219Right-handed alpha
Helix 14
14
B
239 263Right-handed alpha
Helix 15
15
B
268 277Right-handed alpha
Helix 16
16
B
285 293Right-handed alpha
Helix 17
17
B
342 357Right-handed alpha
Helix 18
18
B
385 405Right-handed alpha
Helix 19
19
B
452 464Right-handed alpha
Helix 20
20
B
466 470Right-handed 310
Helix 21
21
E
15 20Right-handed alpha
Helix 22
22
E
24 28Right-handed 310
Helix 23
23
E
32 36Right-handed 310
Helix 24
24
E
59 74Right-handed alpha
Helix 25
25
E
84 88Right-handed 310
Helix 26
26
E
98 115Right-handed alpha
Helix 27
27
E
129 137Right-handed alpha
Helix 28
28
E
138 141Right-handed 310
Helix 29
29
E
142 160Right-handed alpha
Helix 30
30
E
171 176Right-handed 310
Helix 31
31
E
193 219Right-handed alpha
Helix 32
32
E
239 263Right-handed alpha
Helix 33
33
E
266 277Right-handed alpha
Helix 34
34
E
285 293Right-handed alpha
Helix 35
35
E
311 315Right-handed 310
Helix 36
36
E
342 357Right-handed alpha
Helix 37
37
E
385 405Right-handed alpha
Helix 38
38
E
452 465Right-handed alpha
Helix 39
39
E
466 470Right-handed 310
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There are 10 sheets in PDB entry 4IPN. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 9 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
9 13first strand
Strand 2
B
78 82parallel
Strand 3
B
118 124parallel
Strand 4
B
165 169parallel
Strand 5
B
223 230parallel
Strand 6
B
297 302parallel
Strand 7
B
360 365parallel
Strand 8
B
409 415parallel
Strand 9
B
9 13parallel
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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
B
233 235first strand
Strand 2
B
306 308parallel
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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
B
332 333first strand
Strand 2
B
339 340anti-parallel
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There are 2 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
374 375first strand
Strand 2
B
381 382anti-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
B
435 437first strand
Strand 2
B
449 451anti-parallel
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There are 9 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
9 13first strand
Strand 2
E
78 82parallel
Strand 3
E
118 124parallel
Strand 4
E
165 169parallel
Strand 5
E
223 230parallel
Strand 6
E
297 302parallel
Strand 7
E
360 365parallel
Strand 8
E
409 415parallel
Strand 9
E
9 13parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
233 235first strand
Strand 2
E
306 308parallel
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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
E
332 333first strand
Strand 2
E
339 340anti-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
E
374 375first strand
Strand 2
E
381 382anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
435 437first strand
Strand 2
E
449 451anti-parallel
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