Analysis of interatomic Contacts of Structural Units in PDB entry:
1N2X


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 1N2X entry

There are 2 chains in PDB entry 1N2X (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 8ILE 294
B
 HIS 8GLU 292
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 31 helices in PDB entry 1N2X. 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 21Right-handed alpha
Helix 2
2
A
36 46Right-handed alpha
Helix 3
3
A
57 68Right-handed alpha
Helix 4
4
A
69 72Right-handed 310
Helix 5
5
A
81 83Right-handed 310
Helix 6
6
A
84 92Right-handed alpha
Helix 7
7
A
107 113Right-handed alpha
Helix 8
8
A
137 145Right-handed alpha
Helix 9
9
A
146 157Right-handed alpha
Helix 10
10
A
163 174Right-handed alpha
Helix 11
11
A
179 191Right-handed alpha
Helix 12
12
A
192 199Right-handed alpha
Helix 13
13
A
204 217Right-handed alpha
Helix 14
14
A
217 229Right-handed alpha
Helix 15
15
A
245 259Right-handed alpha
Helix 16
16
A
273 279Right-handed alpha
Helix 17
17
A
280 284Right-handed 310
Helix 18
18
B
12 21Right-handed alpha
Helix 19
19
B
38 43Right-handed alpha
Helix 20
20
B
57 67Right-handed alpha
Helix 21
21
B
71 73Right-handed 310
Helix 22
22
B
84 93Right-handed alpha
Helix 23
23
B
107 113Right-handed alpha
Helix 24
24
B
137 145Right-handed alpha
Helix 25
25
B
146 158Right-handed alpha
Helix 26
26
B
163 174Right-handed alpha
Helix 27
27
B
179 191Right-handed alpha
Helix 28
28
B
192 199Right-handed alpha
Helix 29
29
B
204 216Right-handed alpha
Helix 30
30
B
217 229Right-handed alpha
Helix 31
31
B
245 258Right-handed alpha
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There are 2 sheets in PDB entry 1N2X. Click on sheet of interest to get list of strands forming it: A, B,

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
75 79first strand
Strand 2
A
50 55parallel
Strand 3
A
27 30parallel
Strand 4
A
97 103parallel
Strand 5
A
233 243parallel
Strand 6
A
287 293anti-parallel
Strand 7
A
262 264anti-parallel
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There are 6 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
75 78first strand
Strand 2
B
50 54parallel
Strand 3
B
27 30parallel
Strand 4
B
97 103parallel
Strand 5
B
233 243parallel
Strand 6
B
263 264anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il