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


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 1CGS entry

There are 2 chains in PDB entry 1CGS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 GLU 1CYS 219
H
 ARG 1GLU 214
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 5 helices in PDB entry 1CGS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
L1
L
126 132Right-handed alpha
Helix 2
L2
L
172 176Right-handed alpha
Helix 3
L3
L
187 193Right-handed alpha
Helix 4
H1
H
73 77Right-handed alpha
Helix 5
H2
H
190 194Right-handed alpha
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There are 8 sheets in PDB entry 1CGS. Click on sheet of interest to get list of strands forming it: L1, L2, L3, L4, H1, H2, H3, H4,

There are 4 strands in L1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
3 7first strand
Strand 2
L
19 26anti-parallel
Strand 3
L
75 80anti-parallel
Strand 4
L
68 72anti-parallel
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There are 6 strands in L2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
9 13first strand
Strand 2
L
101 112parallel
Strand 3
L
89 96anti-parallel
Strand 4
L
37 44anti-parallel
Strand 5
L
47 55anti-parallel
Strand 6
L
58 60anti-parallel
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There are 4 strands in L3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
119 123first strand
Strand 2
L
135 144anti-parallel
Strand 3
L
177 186anti-parallel
Strand 4
L
163 172anti-parallel
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There are 3 strands in L4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
150 156first strand
Strand 2
L
196 202anti-parallel
Strand 3
L
207 214anti-parallel
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There are 4 strands in H1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
3 5first strand
Strand 2
H
18 25anti-parallel
Strand 3
H
77 84anti-parallel
Strand 4
H
67 73anti-parallel
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There are 6 strands in H2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
10 12first strand
Strand 2
H
105 115parallel
Strand 3
H
92 99anti-parallel
Strand 4
H
33 40anti-parallel
Strand 5
H
43 52anti-parallel
Strand 6
H
57 61anti-parallel
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There are 4 strands in H3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
123 127first strand
Strand 2
H
139 148anti-parallel
Strand 3
H
177 186anti-parallel
Strand 4
H
165 174anti-parallel
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There are 3 strands in H4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
154 160first strand
Strand 2
H
195 202anti-parallel
Strand 3
H
207 213anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il