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


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 4DCQ entry

There are 2 chains in PDB entry 4DCQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 1ARG 218
B
 GLN 1PRO 218
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 10 helices in PDB entry 4DCQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 28Right-handed 310
Helix 2
2
A
82 86Right-handed 310
Helix 3
3
A
129 135Right-handed alpha
Helix 4
4
A
189 194Right-handed alpha
Helix 5
5
A
214 218Right-handed 310
Helix 6
6
B
28 32Right-handed 310
Helix 7
7
B
62 65Right-handed 310
Helix 8
8
B
74 76Right-handed 310
Helix 9
9
B
87 91Right-handed 310
Helix 10
10
B
162 164Right-handed 310
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There are 11 sheets in PDB entry 4DCQ. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K,

There are 4 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
3 4first strand
Strand 2
A
17 23anti-parallel
Strand 3
A
73 78anti-parallel
Strand 4
A
65 70anti-parallel
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There are 6 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
8 12first strand
Strand 2
A
109 114parallel
Strand 3
A
87 97anti-parallel
Strand 4
A
32 37anti-parallel
Strand 5
A
44 49anti-parallel
Strand 6
A
55 57anti-parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
8 12first strand
Strand 2
A
109 114parallel
Strand 3
A
87 97anti-parallel
Strand 4
A
100 105anti-parallel
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There are 3 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
122 126first strand
Strand 2
A
137 147anti-parallel
Strand 3
A
179 188anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
161 163first strand
Strand 2
A
153 158anti-parallel
Strand 3
A
198 204anti-parallel
Strand 4
A
207 213anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
3 6first strand
Strand 2
B
18 25anti-parallel
Strand 3
B
78 83anti-parallel
Strand 4
B
68 73anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
10 12first strand
Strand 2
B
113 117parallel
Strand 3
B
92 98anti-parallel
Strand 4
B
34 39anti-parallel
Strand 5
B
45 51anti-parallel
Strand 6
B
58 60anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
10 12first strand
Strand 2
B
113 117parallel
Strand 3
B
92 98anti-parallel
Strand 4
B
108 109anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
126 130first strand
Strand 2
B
141 151anti-parallel
Strand 3
B
180 190anti-parallel
Strand 4
B
169 171anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
126 130first strand
Strand 2
B
141 151anti-parallel
Strand 3
B
180 190anti-parallel
Strand 4
B
175 177anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
157 160first strand
Strand 2
B
200 205anti-parallel
Strand 3
B
209 214anti-parallel
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