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


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 3IGF entry

There are 2 chains in PDB entry 3IGF (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2HIS 369
B
 ALA 2SER 365
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 26 helices in PDB entry 3IGF. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
11 29Right-handed alpha
Helix 2
2
A
41 48Right-handed alpha
Helix 3
3
A
68 88Right-handed alpha
Helix 4
4
A
97 101Right-handed 310
Helix 5
5
A
106 122Right-handed alpha
Helix 6
6
A
135 143Right-handed alpha
Helix 7
7
A
143 155Right-handed alpha
Helix 8
8
A
195 211Right-handed alpha
Helix 9
9
A
224 241Right-handed alpha
Helix 10
10
A
259 263Right-handed 310
Helix 11
11
A
279 286Right-handed alpha
Helix 12
12
A
288 296Right-handed alpha
Helix 13
13
A
317 321Right-handed 310
Helix 14
14
B
11 29Right-handed alpha
Helix 15
15
B
41 48Right-handed alpha
Helix 16
16
B
68 83Right-handed alpha
Helix 17
17
B
97 101Right-handed 310
Helix 18
18
B
106 122Right-handed alpha
Helix 19
19
B
135 143Right-handed alpha
Helix 20
20
B
143 161Right-handed alpha
Helix 21
21
B
193 211Right-handed alpha
Helix 22
22
B
224 241Right-handed alpha
Helix 23
23
B
259 263Right-handed 310
Helix 24
24
B
279 286Right-handed alpha
Helix 25
25
B
288 296Right-handed alpha
Helix 26
26
B
317 321Right-handed 310
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There are 6 sheets in PDB entry 3IGF. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
56 59first strand
Strand 2
A
62 66anti-parallel
Strand 3
A
33 37parallel
Strand 4
A
127 131parallel
Strand 5
A
3 8parallel
Strand 6
A
215 221parallel
Strand 7
A
245 250parallel
Strand 8
A
268 270parallel
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There are 4 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
300 303first strand
Strand 2
A
308 312anti-parallel
Strand 3
A
361 366anti-parallel
Strand 4
A
352 358anti-parallel
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There are 3 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
322 326first strand
Strand 2
A
329 334anti-parallel
Strand 3
A
337 342anti-parallel
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There are 8 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
56 59first strand
Strand 2
B
62 66anti-parallel
Strand 3
B
33 37parallel
Strand 4
B
127 131parallel
Strand 5
B
3 8parallel
Strand 6
B
215 221parallel
Strand 7
B
245 250parallel
Strand 8
B
268 270parallel
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There are 4 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
300 303first strand
Strand 2
B
308 312anti-parallel
Strand 3
B
361 364anti-parallel
Strand 4
B
355 358anti-parallel
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There are 3 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
322 324first strand
Strand 2
B
330 334anti-parallel
Strand 3
B
337 341anti-parallel
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