Analysis of interatomic Contacts of Structural Units in PDB entry:
1N2A


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 1N2A entry

There are 2 chains in PDB entry 1N2A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LYS 201
B
 MET 1LYS 201
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 21 helices in PDB entry 1N2A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
11 21Right-handed alpha
Helix 2
2
A
42 46Right-handed 310
Helix 3
3
A
65 76Right-handed alpha
Helix 4
4
A
77 81Right-handed 310
Helix 5
5
A
88 105Right-handed alpha
Helix 6
6
A
105 114Right-handed alpha
Helix 7
7
A
118 120Right-handed 310
Helix 8
8
A
121 140Right-handed alpha
Helix 9
9
A
152 168Right-handed alpha
Helix 10
10
A
175 187Right-handed alpha
Helix 11
11
A
188 198Right-handed alpha
Helix 12
12
B
11 21Right-handed alpha
Helix 13
13
B
65 77Right-handed alpha
Helix 14
14
B
78 81Right-handed 310
Helix 15
15
B
88 105Right-handed alpha
Helix 16
16
B
105 110Right-handed alpha
Helix 17
17
B
111 113Right-handed 310
Helix 18
18
B
121 140Right-handed alpha
Helix 19
19
B
152 168Right-handed alpha
Helix 20
20
B
175 188Right-handed alpha
Helix 21
21
B
188 198Right-handed alpha
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There are 2 sheets in PDB entry 1N2A. 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
36 37first strand
Strand 2
A
26 31anti-parallel
Strand 3
A
2 5parallel
Strand 4
A
54 56anti-parallel
Strand 5
A
62 64anti-parallel
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There are 4 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
26 29first strand
Strand 2
B
2 5parallel
Strand 3
B
54 56anti-parallel
Strand 4
B
62 64anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il