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


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 3IMO entry

There are 4 chains in PDB entry 3IMO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 0LEU 113
B
 HIS 0LEU 113
C
 ALA 2LEU 113
D
 ALA 2LEU 113
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 12 helices in PDB entry 3IMO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
7 26Right-handed alpha
Helix 2
2
A
29 44Right-handed alpha
Helix 3
3
A
102 113Right-handed alpha
Helix 4
4
B
7 26Right-handed alpha
Helix 5
5
B
29 44Right-handed alpha
Helix 6
6
B
102 112Right-handed alpha
Helix 7
7
C
7 26Right-handed alpha
Helix 8
8
C
29 44Right-handed alpha
Helix 9
9
C
102 113Right-handed alpha
Helix 10
10
D
7 26Right-handed alpha
Helix 11
11
D
29 44Right-handed alpha
Helix 12
12
D
102 112Right-handed alpha
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There are 3 sheets in PDB entry 3IMO. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 12 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
95 97first strand
Strand 2
A
81 86anti-parallel
Strand 3
A
69 76anti-parallel
Strand 4
A
60 66anti-parallel
Strand 5
A
50 53anti-parallel
Strand 6
A
1 4anti-parallel
Strand 7
B
1 5anti-parallel
Strand 8
B
49 53anti-parallel
Strand 9
B
61 66anti-parallel
Strand 10
B
69 76anti-parallel
Strand 11
B
81 86anti-parallel
Strand 12
B
93 97anti-parallel
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There are 6 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
3 5first strand
Strand 2
C
49 52anti-parallel
Strand 3
C
61 66anti-parallel
Strand 4
C
69 76anti-parallel
Strand 5
C
81 86anti-parallel
Strand 6
C
95 97anti-parallel
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There are 6 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
3 5first strand
Strand 2
D
49 53anti-parallel
Strand 3
D
60 66anti-parallel
Strand 4
D
69 76anti-parallel
Strand 5
D
81 86anti-parallel
Strand 6
D
92 97anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il