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


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 3IGS entry

There are 2 chains in PDB entry 3IGS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 0SER 229
B
 SER -2SER 229
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 20 helices in PDB entry 3IGS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 15Right-handed alpha
Helix 2
2
A
31 45Right-handed alpha
Helix 3
3
A
54 63Right-handed alpha
Helix 4
4
A
87 98Right-handed alpha
Helix 5
5
A
114 125Right-handed alpha
Helix 6
6
A
135 145Right-handed alpha
Helix 7
7
A
167 177Right-handed alpha
Helix 8
8
A
189 199Right-handed alpha
Helix 9
9
A
207 212Right-handed alpha
Helix 10
10
A
212 229Right-handed alpha
Helix 11
11
B
2 15Right-handed alpha
Helix 12
12
B
31 44Right-handed alpha
Helix 13
13
B
54 62Right-handed alpha
Helix 14
14
B
87 97Right-handed alpha
Helix 15
15
B
114 125Right-handed alpha
Helix 16
16
B
135 146Right-handed alpha
Helix 17
17
B
167 177Right-handed alpha
Helix 18
18
B
189 199Right-handed alpha
Helix 19
19
B
207 212Right-handed alpha
Helix 20
20
B
212 228Right-handed alpha
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There are 2 sheets in PDB entry 3IGS. Click on sheet of interest to get list of strands forming it: A, B,

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
A
17 20first strand
Strand 2
A
49 53parallel
Strand 3
A
69 72parallel
Strand 4
A
101 105parallel
Strand 5
A
128 132parallel
Strand 6
A
149 151parallel
Strand 7
A
181 184parallel
Strand 8
A
203 206parallel
Strand 9
A
17 20parallel
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There are 9 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
17 20first strand
Strand 2
B
49 53parallel
Strand 3
B
69 72parallel
Strand 4
B
101 105parallel
Strand 5
B
128 132parallel
Strand 6
B
149 151parallel
Strand 7
B
181 184parallel
Strand 8
B
203 206parallel
Strand 9
B
17 20parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il