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


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 3OBI entry

There are 4 chains in PDB entry 3OBI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 3ASP 287
B
 HIS 3ASP 287
C
 HIS 3THR 286
D
 HIS 3THR 286
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 32 helices in PDB entry 3OBI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
17 29Right-handed alpha
Helix 2
2
A
61 76Right-handed alpha
Helix 3
3
A
99 111Right-handed alpha
Helix 4
4
A
126 130Right-handed 310
Helix 5
5
A
149 165Right-handed alpha
Helix 6
6
A
179 186Right-handed alpha
Helix 7
7
A
205 214Right-handed alpha
Helix 8
8
A
247 272Right-handed alpha
Helix 9
9
B
17 29Right-handed alpha
Helix 10
10
B
61 77Right-handed alpha
Helix 11
11
B
99 111Right-handed alpha
Helix 12
12
B
126 130Right-handed 310
Helix 13
13
B
149 164Right-handed alpha
Helix 14
14
B
179 186Right-handed alpha
Helix 15
15
B
205 214Right-handed alpha
Helix 16
16
B
247 272Right-handed alpha
Helix 17
17
C
17 29Right-handed alpha
Helix 18
18
C
61 77Right-handed alpha
Helix 19
19
C
99 111Right-handed alpha
Helix 20
20
C
126 130Right-handed 310
Helix 21
21
C
149 164Right-handed alpha
Helix 22
22
C
179 186Right-handed alpha
Helix 23
23
C
205 214Right-handed alpha
Helix 24
24
C
247 272Right-handed alpha
Helix 25
25
D
17 29Right-handed alpha
Helix 26
26
D
61 76Right-handed alpha
Helix 27
27
D
99 111Right-handed alpha
Helix 28
28
D
126 130Right-handed 310
Helix 29
29
D
149 164Right-handed alpha
Helix 30
30
D
179 186Right-handed alpha
Helix 31
31
D
205 214Right-handed alpha
Helix 32
32
D
247 272Right-handed alpha
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There are 10 sheets in PDB entry 3OBI. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 8 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
79 84first strand
Strand 2
A
5 13anti-parallel
Strand 3
A
46 55anti-parallel
Strand 4
A
31 41anti-parallel
Strand 5
D
31 41anti-parallel
Strand 6
D
46 55anti-parallel
Strand 7
D
5 13anti-parallel
Strand 8
D
79 84anti-parallel
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There are 7 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
140 142first strand
Strand 2
A
116 123parallel
Strand 3
A
89 95parallel
Strand 4
A
168 171parallel
Strand 5
A
190 196parallel
Strand 6
A
217 224anti-parallel
Strand 7
A
234 241anti-parallel
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There are 2 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
275 278first strand
Strand 2
A
281 284anti-parallel
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There are 8 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
79 84first strand
Strand 2
B
5 13anti-parallel
Strand 3
B
46 55anti-parallel
Strand 4
B
31 41anti-parallel
Strand 5
C
31 41anti-parallel
Strand 6
C
46 55anti-parallel
Strand 7
C
5 13anti-parallel
Strand 8
C
79 84anti-parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
140 142first strand
Strand 2
B
116 123parallel
Strand 3
B
89 95parallel
Strand 4
B
168 171parallel
Strand 5
B
190 196parallel
Strand 6
B
217 224anti-parallel
Strand 7
B
234 241anti-parallel
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There are 2 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
275 278first strand
Strand 2
B
281 284anti-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
140 142first strand
Strand 2
C
116 123parallel
Strand 3
C
89 95parallel
Strand 4
C
168 171parallel
Strand 5
C
190 196parallel
Strand 6
C
217 224anti-parallel
Strand 7
C
234 241anti-parallel
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There are 2 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
275 278first strand
Strand 2
C
281 284anti-parallel
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There are 7 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
140 142first strand
Strand 2
D
116 123parallel
Strand 3
D
89 95parallel
Strand 4
D
168 171parallel
Strand 5
D
190 196parallel
Strand 6
D
217 224anti-parallel
Strand 7
D
234 241anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
275 278first strand
Strand 2
D
281 284anti-parallel
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