Analysis of interatomic Contacts of Structural Units in PDB entry:
4D2O


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 4D2O entry

There are 2 chains in PDB entry 4D2O (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 24VAL 297
B
 SER 26VAL 297
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 24 helices in PDB entry 4D2O. 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 38Right-handed alpha
Helix 2
2
A
71 86Right-handed alpha
Helix 3
3
A
106 112Right-handed alpha
Helix 4
4
A
119 130Right-handed alpha
Helix 5
5
A
131 143Right-handed alpha
Helix 6
6
A
143 155Right-handed alpha
Helix 7
7
A
165 172Right-handed alpha
Helix 8
8
A
174 178Right-handed 310
Helix 9
9
A
182 196Right-handed alpha
Helix 10
10
A
200 213Right-handed alpha
Helix 11
11
A
271 296Right-handed alpha
Helix 12
12
B
26 38Right-handed alpha
Helix 13
13
B
71 86Right-handed alpha
Helix 14
14
B
100 102Right-handed 310
Helix 15
15
B
106 112Right-handed alpha
Helix 16
16
B
119 130Right-handed alpha
Helix 17
17
B
131 143Right-handed alpha
Helix 18
18
B
144 155Right-handed alpha
Helix 19
19
B
165 172Right-handed alpha
Helix 20
20
B
174 178Right-handed 310
Helix 21
21
B
182 195Right-handed alpha
Helix 22
22
B
200 214Right-handed alpha
Helix 23
23
B
221 225Right-handed 310
Helix 24
24
B
271 294Right-handed alpha
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There are 8 sheets in PDB entry 4D2O. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB, BC,

There are 5 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
57 60first strand
Strand 2
A
43 49anti-parallel
Strand 3
A
258 268anti-parallel
Strand 4
A
240 251anti-parallel
Strand 5
A
240 240parallel
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There are 5 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
57 60first strand
Strand 2
A
43 49anti-parallel
Strand 3
A
258 268anti-parallel
Strand 4
A
240 251anti-parallel
Strand 5
A
231 237anti-parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
240 240first strand
Strand 2
A
240 251parallel
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There are 3 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
66 67first strand
Strand 2
A
180 181anti-parallel
Strand 3
A
160 161anti-parallel
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There are 2 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
94 98first strand
Strand 2
A
114 118anti-parallel
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There are 5 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
57 60first strand
Strand 2
B
43 49anti-parallel
Strand 3
B
258 268anti-parallel
Strand 4
B
241 251anti-parallel
Strand 5
B
231 237anti-parallel
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There are 2 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
66 67first strand
Strand 2
B
180 181anti-parallel
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There are 2 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
94 98first strand
Strand 2
B
114 118anti-parallel
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