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


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 4CHL entry

There are 4 chains in PDB entry 4CHL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 18ARG 246
A
 GLY 248THR 251
B
 GLY 17ARG 246
B
 GLY 248THR 253
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 14 helices in PDB entry 4CHL. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
57 69Right-handed alpha
Helix 2
2
A
87 95Right-handed alpha
Helix 3
3
A
105 107Right-handed 310
Helix 4
4
A
170 182Right-handed alpha
Helix 5
5
A
205 212Right-handed alpha
Helix 6
6
A
218 229Right-handed alpha
Helix 7
7
A
236 246Right-handed alpha
Helix 8
8
B
57 68Right-handed alpha
Helix 9
9
B
87 95Right-handed alpha
Helix 10
10
B
105 107Right-handed 310
Helix 11
11
B
170 182Right-handed alpha
Helix 12
12
B
205 212Right-handed alpha
Helix 13
13
B
218 227Right-handed alpha
Helix 14
14
B
236 246Right-handed alpha
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There are 5 sheets in PDB entry 4CHL. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA, BB,

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
24 30first strand
Strand 2
A
35 41anti-parallel
Strand 3
A
47 51anti-parallel
Strand 4
A
71 76parallel
Strand 5
A
99 103parallel
Strand 6
A
112 114parallel
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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
119 122first strand
Strand 2
A
125 131anti-parallel
Strand 3
A
140 144anti-parallel
Strand 4
A
149 153anti-parallel
Strand 5
A
190 193parallel
Strand 6
A
203 204anti-parallel
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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
156 157first strand
Strand 2
A
160 161anti-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
24 30first strand
Strand 2
B
35 41anti-parallel
Strand 3
B
47 51anti-parallel
Strand 4
B
71 76parallel
Strand 5
B
99 103parallel
Strand 6
B
112 114parallel
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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
119 122first strand
Strand 2
B
125 131anti-parallel
Strand 3
B
140 144anti-parallel
Strand 4
B
149 153anti-parallel
Strand 5
B
190 193parallel
Strand 6
B
203 204anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il