Analysis of interatomic Contacts of Structural Units in PDB entry:
4L2B


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 4L2B entry

There are 2 chains in PDB entry 4L2B (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1ALA 192
B
 ALA 1ALA 192
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 4L2B. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
19 27Right-handed alpha
Helix 2
2
A
29 42Right-handed alpha
Helix 3
3
A
51 58Right-handed alpha
Helix 4
4
A
60 79Right-handed alpha
Helix 5
5
A
89 101Right-handed alpha
Helix 6
6
A
102 116Right-handed alpha
Helix 7
7
A
143 147Right-handed 310
Helix 8
8
A
159 162Right-handed 310
Helix 9
9
A
163 168Right-handed alpha
Helix 10
10
A
170 182Right-handed alpha
Helix 11
11
A
183 192Right-handed alpha
Helix 12
12
B
19 27Right-handed alpha
Helix 13
13
B
29 42Right-handed alpha
Helix 14
14
B
51 57Right-handed alpha
Helix 15
15
B
60 79Right-handed alpha
Helix 16
16
B
89 101Right-handed alpha
Helix 17
17
B
102 116Right-handed alpha
Helix 18
18
B
143 147Right-handed 310
Helix 19
19
B
159 162Right-handed 310
Helix 20
20
B
163 168Right-handed alpha
Helix 21
21
B
170 182Right-handed alpha
Helix 22
22
B
183 192Right-handed alpha
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There are 2 sheets in PDB entry 4L2B. Click on sheet of interest to get list of strands forming it: A, B,

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
133 139first strand
Strand 2
A
121 127anti-parallel
Strand 3
A
151 157anti-parallel
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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
B
133 139first strand
Strand 2
B
121 127anti-parallel
Strand 3
B
151 157anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il