Analysis of interatomic Contacts of Structural Units in PDB entry:
4U3S


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 4U3S entry

There are 2 chains in PDB entry 4U3S (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 2GLU 168
B
 GLY 29TYR 184
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 8 helices in PDB entry 4U3S. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
71 74Right-handed 310
Helix 2
AA2
A
83 86Right-handed 310
Helix 3
AA3
A
97 104Right-handed alpha
Helix 4
AA4
B
46 52Right-handed alpha
Helix 5
AA5
B
133 142Right-handed alpha
Helix 6
AA6
B
154 158Right-handed 310
Helix 7
AA7
B
166 176Right-handed alpha
Helix 8
AA8
B
182 184Right-handed 310
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There are 9 sheets in PDB entry 4U3S. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9,

There are 3 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
46 49first strand
Strand 2
A
111 120anti-parallel
Strand 3
A
64 65anti-parallel
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There are 5 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
46 49first strand
Strand 2
A
111 120anti-parallel
Strand 3
A
19 27anti-parallel
Strand 4
A
4 9anti-parallel
Strand 5
A
158 160parallel
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There are 4 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
76 80first strand
Strand 2
A
88 95anti-parallel
Strand 3
A
32 40anti-parallel
Strand 4
A
129 130anti-parallel
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There are 5 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
76 80first strand
Strand 2
A
88 95anti-parallel
Strand 3
A
32 40anti-parallel
Strand 4
A
143 147anti-parallel
Strand 5
A
152 153anti-parallel
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There are 3 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
72 78first strand
Strand 2
B
30 38anti-parallel
Strand 3
B
106 107parallel
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There are 3 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
72 78first strand
Strand 2
B
30 38anti-parallel
Strand 3
B
115 117parallel
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There are 4 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
64 66first strand
Strand 2
B
55 58anti-parallel
Strand 3
B
81 88anti-parallel
Strand 4
B
95 102anti-parallel
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There are 2 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
131 132first strand
Strand 2
B
179 180anti-parallel
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There are 2 strands in AA9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
146 147first strand
Strand 2
B
164 165anti-parallel
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