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


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 3DOS entry

There are 6 chains in PDB entry 3DOS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 8LEU 235
B
 ALA 1GLN 149
C
 GLU 15GLN 149
D
 SER 9VAL 233
E
 ALA 1GLN 149
F
 PRO 16GLN 149
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 6 helices in PDB entry 3DOS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
150 158Right-handed 310
Helix 2
2
B
56 58Right-handed 310
Helix 3
3
C
56 58Right-handed 310
Helix 4
4
D
150 158Right-handed 310
Helix 5
5
E
56 58Right-handed 310
Helix 6
6
F
56 58Right-handed 310
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There are 16 sheets in PDB entry 3DOS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P,

There are 12 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
61 64first strand
Strand 2
A
75 82anti-parallel
Strand 3
A
30 36anti-parallel
Strand 4
A
9 16anti-parallel
Strand 5
B
17 25anti-parallel
Strand 6
B
42 49anti-parallel
Strand 7
B
118 125anti-parallel
Strand 8
B
83 91anti-parallel
Strand 9
B
72 76anti-parallel
Strand 10
B
138 147anti-parallel
Strand 11
A
128 143parallel
Strand 12
A
20 24parallel
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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
B
97 98first strand
Strand 2
B
83 91anti-parallel
Strand 3
B
72 76anti-parallel
Strand 4
B
138 147anti-parallel
Strand 5
B
60 63anti-parallel
Strand 6
B
101 102parallel
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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
101 102first strand
Strand 2
B
60 63parallel
Strand 3
B
138 147anti-parallel
Strand 4
A
128 143parallel
Strand 5
A
93 102anti-parallel
Strand 6
A
42 50anti-parallel
Strand 7
A
67 70anti-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
159 163first strand
Strand 2
A
166 171anti-parallel
Strand 3
A
198 203anti-parallel
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There are 3 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
187 188first strand
Strand 2
A
177 184anti-parallel
Strand 3
A
193 194anti-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
A
187 188first strand
Strand 2
A
177 184anti-parallel
Strand 3
A
213 218anti-parallel
Strand 4
A
229 232anti-parallel
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There are 7 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
20 25first strand
Strand 2
C
42 49anti-parallel
Strand 3
C
118 128anti-parallel
Strand 4
C
83 91anti-parallel
Strand 5
C
72 76anti-parallel
Strand 6
C
136 146anti-parallel
Strand 7
C
97 98first strand
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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
29 30first strand
Strand 2
B
3 14parallel
Strand 3
C
136 146anti-parallel
Strand 4
C
72 76anti-parallel
Strand 5
C
83 91anti-parallel
Strand 6
C
60 63first strand
Strand 7
C
101 102parallel
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There are 12 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
61 64first strand
Strand 2
D
75 82anti-parallel
Strand 3
D
30 36anti-parallel
Strand 4
D
10 16anti-parallel
Strand 5
E
17 25anti-parallel
Strand 6
E
42 49anti-parallel
Strand 7
E
118 127anti-parallel
Strand 8
E
83 91anti-parallel
Strand 9
E
72 76anti-parallel
Strand 10
E
136 147anti-parallel
Strand 11
D
126 143parallel
Strand 12
D
20 24parallel
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There are 6 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
97 98first strand
Strand 2
E
83 91anti-parallel
Strand 3
E
72 76anti-parallel
Strand 4
E
136 147anti-parallel
Strand 5
E
60 63anti-parallel
Strand 6
E
101 102parallel
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There are 7 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
101 102first strand
Strand 2
E
60 63parallel
Strand 3
E
136 147anti-parallel
Strand 4
D
126 143parallel
Strand 5
D
93 102anti-parallel
Strand 6
D
42 49anti-parallel
Strand 7
D
67 70anti-parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
159 162first strand
Strand 2
D
166 171anti-parallel
Strand 3
D
198 203anti-parallel
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There are 3 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
187 188first strand
Strand 2
D
177 184anti-parallel
Strand 3
D
193 194anti-parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
187 188first strand
Strand 2
D
177 184anti-parallel
Strand 3
D
214 218anti-parallel
Strand 4
D
229 231anti-parallel
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There are 7 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
20 25first strand
Strand 2
F
42 49anti-parallel
Strand 3
F
118 128anti-parallel
Strand 4
F
83 91anti-parallel
Strand 5
F
72 76anti-parallel
Strand 6
F
136 146anti-parallel
Strand 7
F
97 98first strand
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There are 7 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
29 30first strand
Strand 2
E
3 14parallel
Strand 3
F
136 146anti-parallel
Strand 4
F
72 76anti-parallel
Strand 5
F
83 91anti-parallel
Strand 6
F
60 64first strand
Strand 7
F
101 102parallel
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