Analysis of interatomic Contacts of Structural Units in PDB entry:
1I4O


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 1I4O entry

There are 4 chains in PDB entry 1I4O (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 55GLN 303
B
 TYR 58GLN 303
C
 GLU 134SER 150
D
 GLU 134SER 150
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 1I4O. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
79 83Right-handed 310
Helix 2
2
A
89 105Right-handed alpha
Helix 3
3
A
115 127Right-handed alpha
Helix 4
4
A
159 165Right-handed alpha
Helix 5
5
A
171 175Right-handed 310
Helix 6
6
A
240 253Right-handed alpha
Helix 7
7
A
257 272Right-handed alpha
Helix 8
8
A
279 283Right-handed 310
Helix 9
9
B
79 83Right-handed 310
Helix 10
10
B
89 105Right-handed alpha
Helix 11
11
B
115 129Right-handed alpha
Helix 12
12
B
159 164Right-handed alpha
Helix 13
13
B
165 167Right-handed 310
Helix 14
14
B
171 175Right-handed 310
Helix 15
15
B
240 253Right-handed alpha
Helix 16
16
B
257 273Right-handed alpha
Helix 17
17
C
135 143Right-handed alpha
Helix 18
18
D
135 143Right-handed alpha
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There are 5 sheets in PDB entry 1I4O. Click on sheet of interest to get list of strands forming it: A, B, C, D, E,

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
106 112first strand
Strand 2
A
66 74parallel
Strand 3
A
134 142parallel
Strand 4
A
179 184parallel
Strand 5
A
219 223parallel
Strand 6
A
290 293anti-parallel
Strand 7
B
290 293anti-parallel
Strand 8
B
219 223anti-parallel
Strand 9
B
179 184parallel
Strand 10
B
134 142parallel
Strand 11
B
66 74parallel
Strand 12
B
106 112parallel
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There are 3 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
145 146first strand
Strand 2
A
149 151anti-parallel
Strand 3
A
156 158anti-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
233 234first strand
Strand 2
A
238 239anti-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
B
145 146first strand
Strand 2
B
149 151anti-parallel
Strand 3
B
156 158anti-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
B
233 234first strand
Strand 2
B
238 239anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il