Analysis of interatomic Contacts of Structural Units in PDB entry:
4N18


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 4N18 entry

There is 1 chain in PDB entry 4N18 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE -2ALA 308
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 4N18. 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 25Right-handed alpha
Helix 2
2
A
36 42Right-handed 310
Helix 3
3
A
53 58Right-handed alpha
Helix 4
4
A
75 81Right-handed alpha
Helix 5
5
A
90 110Right-handed alpha
Helix 6
6
A
111 120Right-handed alpha
Helix 7
7
A
131 134Right-handed 310
Helix 8
8
A
143 156Right-handed alpha
Helix 9
9
A
181 187Right-handed alpha
Helix 10
10
A
207 212Right-handed alpha
Helix 11
11
A
225 229Right-handed 310
Helix 12
12
A
230 241Right-handed alpha
Helix 13
13
A
260 265Right-handed 310
Helix 14
14
A
279 296Right-handed alpha
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There are 2 sheets in PDB entry 4N18. Click on sheet of interest to get list of strands forming it: A, B,

There are 5 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
29 32first strand
Strand 2
A
4 10parallel
Strand 3
A
44 48parallel
Strand 4
A
63 66parallel
Strand 5
A
85 87parallel
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There are 7 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
174 177first strand
Strand 2
A
159 164parallel
Strand 3
A
136 140parallel
Strand 4
A
191 194parallel
Strand 5
A
218 222parallel
Strand 6
A
243 248parallel
Strand 7
A
268 270parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il