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


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 3IBS entry

There are 2 chains in PDB entry 3IBS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 4SER 209
B
 GLY 5SER 209
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 16 helices in PDB entry 3IBS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
15 20Right-handed 310
Helix 2
2
A
26 41Right-handed alpha
Helix 3
3
A
65 75Right-handed alpha
Helix 4
4
A
77 81Right-handed 310
Helix 5
5
A
87 97Right-handed alpha
Helix 6
6
A
121 131Right-handed alpha
Helix 7
7
A
171 182Right-handed alpha
Helix 8
8
A
193 209Right-handed alpha
Helix 9
9
B
15 20Right-handed 310
Helix 10
10
B
26 42Right-handed alpha
Helix 11
11
B
65 75Right-handed alpha
Helix 12
12
B
77 81Right-handed 310
Helix 13
13
B
87 97Right-handed alpha
Helix 14
14
B
121 131Right-handed alpha
Helix 15
15
B
171 182Right-handed alpha
Helix 16
16
B
193 208Right-handed alpha
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There are 4 sheets in PDB entry 3IBS. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 6 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 63first strand
Strand 2
A
46 52anti-parallel
Strand 3
A
7 13parallel
Strand 4
A
107 113parallel
Strand 5
A
134 141parallel
Strand 6
A
183 189parallel
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There are 2 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
147 148first strand
Strand 2
A
167 168anti-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
B
56 63first strand
Strand 2
B
46 52anti-parallel
Strand 3
B
6 13parallel
Strand 4
B
106 113parallel
Strand 5
B
134 141parallel
Strand 6
B
183 189parallel
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There are 2 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
147 148first strand
Strand 2
B
167 168anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il