Analysis of interatomic Contacts of Structural Units in PDB entry:
2IU4


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 2IU4 entry

There are 4 chains in PDB entry 2IU4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 8ILE 214
A
 GLY 216HIS 332
B
 GLU 2ILE 214
B
 GLY 216HIS 332
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 22 helices in PDB entry 2IU4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
11 22Right-handed alpha
Helix 2
2
A
58 61Right-handed 310
Helix 3
3
A
80 92Right-handed alpha
Helix 4
4
A
104 121Right-handed alpha
Helix 5
5
A
134 140Right-handed alpha
Helix 6
6
A
150 164Right-handed alpha
Helix 7
7
A
167 179Right-handed alpha
Helix 8
8
A
227 244Right-handed alpha
Helix 9
9
A
245 248Right-handed 310
Helix 10
10
A
264 282Right-handed alpha
Helix 11
11
A
313 321Right-handed alpha
Helix 12
12
B
11 22Right-handed alpha
Helix 13
13
B
58 61Right-handed 310
Helix 14
14
B
80 92Right-handed alpha
Helix 15
15
B
104 121Right-handed alpha
Helix 16
16
B
134 140Right-handed alpha
Helix 17
17
B
150 164Right-handed alpha
Helix 18
18
B
167 179Right-handed alpha
Helix 19
19
B
227 244Right-handed alpha
Helix 20
20
B
245 248Right-handed 310
Helix 21
21
B
264 282Right-handed alpha
Helix 22
22
B
313 321Right-handed alpha
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There are 6 sheets in PDB entry 2IU4. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA, BB, BC,

There are 6 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
25 28first strand
Strand 2
A
33 36anti-parallel
Strand 3
A
69 75anti-parallel
Strand 4
A
46 52parallel
Strand 5
A
97 102parallel
Strand 6
A
125 130parallel
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There are 6 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
221 224first strand
Strand 2
A
207 210anti-parallel
Strand 3
A
182 190anti-parallel
Strand 4
A
301 309anti-parallel
Strand 5
A
252 259anti-parallel
Strand 6
A
285 292parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
193 194first strand
Strand 2
A
198 199anti-parallel
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There are 6 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
25 28first strand
Strand 2
B
33 36anti-parallel
Strand 3
B
69 75anti-parallel
Strand 4
B
46 52parallel
Strand 5
B
97 102parallel
Strand 6
B
125 130parallel
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There are 6 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
221 224first strand
Strand 2
B
207 210anti-parallel
Strand 3
B
182 190anti-parallel
Strand 4
B
301 309anti-parallel
Strand 5
B
252 259anti-parallel
Strand 6
B
285 292parallel
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There are 2 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
193 194first strand
Strand 2
B
198 199anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il