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


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 4HCN entry

There are 2 chains in PDB entry 4HCN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 79GLY 328
B
 PRO 0GLY 76
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 4HCN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
80 96Right-handed alpha
Helix 2
2
A
98 106Right-handed alpha
Helix 3
3
A
113 117Right-handed 310
Helix 4
4
A
118 133Right-handed alpha
Helix 5
5
A
135 143Right-handed alpha
Helix 6
6
A
155 169Right-handed alpha
Helix 7
7
A
175 179Right-handed 310
Helix 8
8
A
186 192Right-handed alpha
Helix 9
9
A
243 252Right-handed alpha
Helix 10
10
A
257 265Right-handed alpha
Helix 11
11
A
266 272Right-handed 310
Helix 12
12
A
273 286Right-handed alpha
Helix 13
13
A
290 294Right-handed 310
Helix 14
14
A
295 299Right-handed 310
Helix 15
15
A
313 326Right-handed alpha
Helix 16
16
B
22 35Right-handed alpha
Helix 17
17
B
37 41Right-handed 310
Helix 18
18
B
56 60Right-handed 310
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There are 2 sheets in PDB entry 4HCN. Click on sheet of interest to get list of strands forming it: A, B,

There are 4 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
228 230first strand
Strand 2
A
211 217anti-parallel
Strand 3
A
199 206anti-parallel
Strand 4
A
305 312anti-parallel
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There are 5 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
12 16first strand
Strand 2
B
2 7anti-parallel
Strand 3
B
65 70parallel
Strand 4
B
42 45anti-parallel
Strand 5
B
48 49anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il