Analysis of interatomic Contacts of Structural Units in PDB entry:
3L18


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 3L18 entry

There are 2 chains in PDB entry 3L18 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA -1HIS 166
B
 SER 0HIS 166
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 21 helices in PDB entry 3L18. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 26Right-handed alpha
Helix 2
2
A
55 57Right-handed 310
Helix 3
3
A
58 62Right-handed 310
Helix 4
4
A
71 77Right-handed alpha
Helix 5
5
A
79 92Right-handed alpha
Helix 6
6
A
102 109Right-handed alpha
Helix 7
7
A
120 122Right-handed 310
Helix 8
8
A
123 130Right-handed alpha
Helix 9
9
A
150 152Right-handed 310
Helix 10
10
A
153 162Right-handed alpha
Helix 11
11
A
163 165Right-handed 310
Helix 12
12
B
12 26Right-handed alpha
Helix 13
13
B
55 57Right-handed 310
Helix 14
14
B
58 62Right-handed 310
Helix 15
15
B
71 77Right-handed alpha
Helix 16
16
B
79 92Right-handed alpha
Helix 17
17
B
102 110Right-handed alpha
Helix 18
18
B
120 122Right-handed 310
Helix 19
19
B
123 130Right-handed alpha
Helix 20
20
B
150 152Right-handed 310
Helix 21
21
B
153 166Right-handed alpha
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There are 6 sheets in PDB entry 3L18. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 7 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
52 53first strand
Strand 2
A
29 34parallel
Strand 3
A
2 6parallel
Strand 4
A
64 67parallel
Strand 5
A
96 99parallel
Strand 6
A
145 148parallel
Strand 7
A
140 142anti-parallel
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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
38 41first strand
Strand 2
A
47 50anti-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
116 117first strand
Strand 2
A
133 134parallel
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There are 7 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
52 53first strand
Strand 2
B
29 34parallel
Strand 3
B
2 6parallel
Strand 4
B
64 67parallel
Strand 5
B
96 99parallel
Strand 6
B
145 148parallel
Strand 7
B
140 142anti-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
38 41first strand
Strand 2
B
47 50anti-parallel
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There are 2 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
116 117first strand
Strand 2
B
133 134parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il