Analysis of interatomic Contacts of Structural Units in PDB entry:
3K3N


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 3K3N entry

There is 1 chain in PDB entry 3K3N (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 92GLN 445
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 16 helices in PDB entry 3K3N. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
100 102Right-handed 310
Helix 2
2
A
112 120Right-handed alpha
Helix 3
3
A
143 152Right-handed alpha
Helix 4
4
A
172 180Right-handed alpha
Helix 5
5
A
199 203Right-handed 310
Helix 6
6
A
207 214Right-handed alpha
Helix 7
7
A
214 220Right-handed alpha
Helix 8
8
A
249 253Right-handed 310
Helix 9
9
A
272 284Right-handed alpha
Helix 10
10
A
287 291Right-handed 310
Helix 11
11
A
292 296Right-handed 310
Helix 12
12
A
339 354Right-handed alpha
Helix 13
13
A
363 385Right-handed alpha
Helix 14
14
A
390 409Right-handed alpha
Helix 15
15
A
412 420Right-handed 310
Helix 16
16
A
425 442Right-handed alpha
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There are 2 sheets in PDB entry 3K3N. Click on sheet of interest to get list of strands forming it: A, B,

There are 8 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
97 98first strand
Strand 2
A
301 306parallel
Strand 3
A
254 269anti-parallel
Strand 4
A
318 334anti-parallel
Strand 5
A
234 238anti-parallel
Strand 6
A
188 194anti-parallel
Strand 7
A
156 161anti-parallel
Strand 8
A
166 171anti-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
A
125 127first strand
Strand 2
A
310 313anti-parallel
Strand 3
A
254 269anti-parallel
Strand 4
A
318 334anti-parallel
Strand 5
A
242 247anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il