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


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 4GRP entry

There are 3 chains in PDB entry 4GRP (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 1ALA 118
B
 ALA 2ALA 118
C
 ALA 2ALA 118
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 18 helices in PDB entry 4GRP. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 18Right-handed 310
Helix 2
2
A
21 35Right-handed alpha
Helix 3
3
A
37 39Right-handed 310
Helix 4
4
A
72 92Right-handed alpha
Helix 5
5
A
94 96Right-handed 310
Helix 6
6
A
106 108Right-handed 310
Helix 7
7
B
14 18Right-handed 310
Helix 8
8
B
21 35Right-handed alpha
Helix 9
9
B
37 39Right-handed 310
Helix 10
10
B
72 92Right-handed alpha
Helix 11
11
B
94 96Right-handed 310
Helix 12
12
B
106 108Right-handed 310
Helix 13
13
C
14 18Right-handed 310
Helix 14
14
C
21 35Right-handed alpha
Helix 15
15
C
37 39Right-handed 310
Helix 16
16
C
72 92Right-handed alpha
Helix 17
17
C
94 96Right-handed 310
Helix 18
18
C
106 108Right-handed 310
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There are 3 sheets in PDB entry 4GRP. Click on sheet of interest to get list of strands forming it: A, B, C,

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
B
50 53first strand
Strand 2
A
41 46anti-parallel
Strand 3
A
5 11parallel
Strand 4
A
61 67anti-parallel
Strand 5
A
98 104parallel
Strand 6
C
110 112anti-parallel
Strand 7
C
115 116anti-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
A
50 53first strand
Strand 2
C
41 46anti-parallel
Strand 3
C
5 11parallel
Strand 4
C
61 67anti-parallel
Strand 5
C
98 104parallel
Strand 6
B
110 112anti-parallel
Strand 7
B
115 116anti-parallel
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There are 7 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
115 116first strand
Strand 2
A
110 112anti-parallel
Strand 3
B
98 104anti-parallel
Strand 4
B
61 67parallel
Strand 5
B
5 11anti-parallel
Strand 6
B
41 46parallel
Strand 7
C
50 53anti-parallel
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