Analysis of interatomic Contacts of Structural Units in PDB entry:
3D3N


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 3D3N entry

There are 2 chains in PDB entry 3D3N (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1ALA 273
B
 MSE 1ALA 273
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 3D3N. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
52 63Right-handed alpha
Helix 2
2
A
83 101Right-handed alpha
Helix 3
3
A
116 129Right-handed alpha
Helix 4
4
A
131 138Right-handed alpha
Helix 5
5
A
166 174Right-handed alpha
Helix 6
6
A
176 180Right-handed 310
Helix 7
7
A
181 186Right-handed 310
Helix 8
8
A
206 219Right-handed alpha
Helix 9
9
A
256 269Right-handed alpha
Helix 10
10
B
52 63Right-handed alpha
Helix 11
11
B
83 98Right-handed alpha
Helix 12
12
B
117 129Right-handed alpha
Helix 13
13
B
131 138Right-handed alpha
Helix 14
14
B
167 174Right-handed alpha
Helix 15
15
B
176 180Right-handed 310
Helix 16
16
B
181 185Right-handed 310
Helix 17
17
B
206 219Right-handed alpha
Helix 18
18
B
257 269Right-handed alpha
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There is 1 sheet ( A) in PDB entry 3D3N.

There are 16 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
2 8first strand
Strand 2
A
15 21anti-parallel
Strand 3
A
66 71anti-parallel
Strand 4
A
34 40parallel
Strand 5
A
105 115parallel
Strand 6
A
149 153parallel
Strand 7
A
193 198parallel
Strand 8
A
223 228parallel
Strand 9
B
223 228anti-parallel
Strand 10
B
193 198parallel
Strand 11
B
149 153parallel
Strand 12
B
105 115parallel
Strand 13
B
34 40parallel
Strand 14
B
66 71parallel
Strand 15
B
15 21anti-parallel
Strand 16
B
2 8anti-parallel
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