Analysis of interatomic Contacts of Structural Units in PDB entry:
2ACA


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 2ACA entry

There are 2 chains in PDB entry 2ACA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 8ALA 181
B
 GLN 8ALA 181
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 13 helices in PDB entry 2ACA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
21 31Right-handed alpha
Helix 2
2
A
53 58Right-handed alpha
Helix 3
3
A
92 103Right-handed alpha
Helix 4
4
A
146 150Right-handed 310
Helix 5
5
A
151 163Right-handed alpha
Helix 6
6
A
166 170Right-handed 310
Helix 7
7
B
21 30Right-handed alpha
Helix 8
8
B
55 59Right-handed 310
Helix 9
9
B
92 103Right-handed alpha
Helix 10
10
B
145 147Right-handed 310
Helix 11
11
B
148 163Right-handed alpha
Helix 12
12
B
166 170Right-handed 310
Helix 13
13
B
174 181Right-handed alpha
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There are 2 sheets in PDB entry 2ACA. 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
11 19first strand
Strand 2
A
134 143anti-parallel
Strand 3
A
123 130anti-parallel
Strand 4
A
106 120anti-parallel
Strand 5
A
35 49anti-parallel
Strand 6
A
61 68anti-parallel
Strand 7
A
72 78anti-parallel
Strand 8
A
85 89anti-parallel
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There are 8 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
11 19first strand
Strand 2
B
134 143anti-parallel
Strand 3
B
123 130anti-parallel
Strand 4
B
106 120anti-parallel
Strand 5
B
35 49anti-parallel
Strand 6
B
61 68anti-parallel
Strand 7
B
72 78anti-parallel
Strand 8
B
85 89anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il