Analysis of interatomic Contacts of Structural Units in PDB entry:
4N9X


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 4N9X entry

There is 1 chain in PDB entry 4N9X (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1TRP 398
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 12 helices in PDB entry 4N9X. 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 20Right-handed alpha
Helix 2
2
A
55 64Right-handed alpha
Helix 3
3
A
66 74Right-handed alpha
Helix 4
4
A
97 100Right-handed 310
Helix 5
5
A
110 122Right-handed alpha
Helix 6
6
A
230 240Right-handed alpha
Helix 7
7
A
241 252Right-handed alpha
Helix 8
8
A
289 293Right-handed 310
Helix 9
9
A
300 317Right-handed alpha
Helix 10
10
A
332 360Right-handed alpha
Helix 11
11
A
361 371Right-handed alpha
Helix 12
12
A
380 390Right-handed alpha
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There are 5 sheets in PDB entry 4N9X. Click on sheet of interest to get list of strands forming it: A, B, C, D, E,

There are 6 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
127 130first strand
Strand 2
A
29 32parallel
Strand 3
A
2 9parallel
Strand 4
A
155 162parallel
Strand 5
A
284 287parallel
Strand 6
A
278 281anti-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
A
50 54first strand
Strand 2
A
105 109anti-parallel
Strand 3
A
76 78anti-parallel
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There are 7 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
91 95first strand
Strand 2
A
80 85anti-parallel
Strand 3
A
201 207parallel
Strand 4
A
210 216anti-parallel
Strand 5
A
222 229anti-parallel
Strand 6
A
186 194anti-parallel
Strand 7
A
260 262anti-parallel
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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
A
91 95first strand
Strand 2
A
80 85anti-parallel
Strand 3
A
201 207parallel
Strand 4
A
210 216anti-parallel
Strand 5
A
222 229anti-parallel
Strand 6
A
186 194anti-parallel
Strand 7
A
267 270anti-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
A
135 138first strand
Strand 2
A
147 149anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il