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


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 3ISG entry

There are 4 chains in PDB entry 3ISG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 18PHE 69
A
 ILE 71LEU 274
B
 SER 18PHE 69
B
 ILE 71LEU 274
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 24 helices in PDB entry 3ISG. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
21 29Right-handed alpha
Helix 2
2
A
55 60Right-handed alpha
Helix 3
3
A
65 67Right-handed 310
Helix 4
4
A
68 80Right-handed alpha
Helix 5
5
A
99 103Right-handed 310
Helix 6
6
A
107 114Right-handed alpha
Helix 7
7
A
116 128Right-handed alpha
Helix 8
8
A
128 139Right-handed alpha
Helix 9
9
A
154 159Right-handed alpha
Helix 10
10
A
168 181Right-handed alpha
Helix 11
11
A
187 198Right-handed alpha
Helix 12
12
A
256 273Right-handed alpha
Helix 13
13
B
21 30Right-handed alpha
Helix 14
14
B
55 60Right-handed alpha
Helix 15
15
B
65 67Right-handed 310
Helix 16
16
B
68 80Right-handed alpha
Helix 17
17
B
99 103Right-handed 310
Helix 18
18
B
107 114Right-handed alpha
Helix 19
19
B
116 128Right-handed alpha
Helix 20
20
B
128 139Right-handed alpha
Helix 21
21
B
154 159Right-handed alpha
Helix 22
22
B
168 181Right-handed alpha
Helix 23
23
B
187 198Right-handed alpha
Helix 24
24
B
256 273Right-handed alpha
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There are 2 sheets in PDB entry 3ISG. Click on sheet of interest to get list of strands forming it: A, B,

There are 7 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
19 20first strand
Strand 2
A
50 54parallel
Strand 3
A
34 42anti-parallel
Strand 4
A
240 249anti-parallel
Strand 5
A
225 234anti-parallel
Strand 6
A
208 217anti-parallel
Strand 7
A
199 202anti-parallel
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There are 7 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
19 20first strand
Strand 2
B
50 54parallel
Strand 3
B
34 42anti-parallel
Strand 4
B
240 249anti-parallel
Strand 5
B
225 234anti-parallel
Strand 6
B
208 217anti-parallel
Strand 7
B
199 202anti-parallel
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