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


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 3ICA entry

There are 2 chains in PDB entry 3ICA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN -1MSE 210
B
 ASN -1MSE 210
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 16 helices in PDB entry 3ICA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
-1 17Right-handed alpha
Helix 2
2
A
31 34Right-handed 310
Helix 3
3
A
40 44Right-handed 310
Helix 4
4
A
62 75Right-handed alpha
Helix 5
5
A
133 148Right-handed alpha
Helix 6
6
A
151 153Right-handed 310
Helix 7
7
A
186 193Right-handed alpha
Helix 8
8
A
206 210Right-handed alpha
Helix 9
9
B
-1 17Right-handed alpha
Helix 10
10
B
29 34Right-handed 310
Helix 11
11
B
40 44Right-handed 310
Helix 12
12
B
62 76Right-handed alpha
Helix 13
13
B
133 148Right-handed alpha
Helix 14
14
B
151 153Right-handed 310
Helix 15
15
B
186 193Right-handed alpha
Helix 16
16
B
206 210Right-handed alpha
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There are 4 sheets in PDB entry 3ICA. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
20 21first strand
Strand 2
A
80 93parallel
Strand 3
A
105 118anti-parallel
Strand 4
A
199 205anti-parallel
Strand 5
A
178 185anti-parallel
Strand 6
A
165 173anti-parallel
Strand 7
A
155 159anti-parallel
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There are 2 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
27 29first strand
Strand 2
A
55 58anti-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
B
20 21first strand
Strand 2
B
80 94parallel
Strand 3
B
103 118anti-parallel
Strand 4
B
199 205anti-parallel
Strand 5
B
178 185anti-parallel
Strand 6
B
165 173anti-parallel
Strand 7
B
155 159anti-parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
27 28first strand
Strand 2
B
57 58anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il