Analysis of interatomic Contacts of Structural Units in PDB entry:
4IO2


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 4IO2 entry

There are 2 chains in PDB entry 4IO2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 1PRO 248
B
 GLY 1PRO 248
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 4IO2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
39 53Right-handed alpha
Helix 2
2
A
66 76Right-handed alpha
Helix 3
3
A
89 94Right-handed alpha
Helix 4
4
A
119 125Right-handed alpha
Helix 5
5
A
129 132Right-handed 310
Helix 6
6
A
139 149Right-handed alpha
Helix 7
7
A
161 171Right-handed alpha
Helix 8
8
A
181 191Right-handed alpha
Helix 9
9
A
217 231Right-handed alpha
Helix 10
10
A
232 243Right-handed alpha
Helix 11
11
B
39 53Right-handed alpha
Helix 12
12
B
66 76Right-handed alpha
Helix 13
13
B
89 94Right-handed alpha
Helix 14
14
B
119 125Right-handed alpha
Helix 15
15
B
129 132Right-handed 310
Helix 16
16
B
139 149Right-handed alpha
Helix 17
17
B
161 171Right-handed alpha
Helix 18
18
B
181 191Right-handed alpha
Helix 19
19
B
217 231Right-handed alpha
Helix 20
20
B
232 243Right-handed alpha
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There are 10 sheets in PDB entry 4IO2. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 3 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
55 60first strand
Strand 2
A
9 14parallel
Strand 3
A
81 82parallel
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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
22 25first strand
Strand 2
A
35 38anti-parallel
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There are 2 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
97 98first strand
Strand 2
A
210 211anti-parallel
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There are 3 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
177 180first strand
Strand 2
A
103 112anti-parallel
Strand 3
A
195 207anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
134 136first strand
Strand 2
A
157 159parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
55 60first strand
Strand 2
B
9 14parallel
Strand 3
B
81 82parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
22 25first strand
Strand 2
B
35 38anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
97 98first strand
Strand 2
B
210 211anti-parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
177 180first strand
Strand 2
B
103 112anti-parallel
Strand 3
B
195 207anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
134 136first strand
Strand 2
B
157 159parallel
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