Analysis of interatomic Contacts of Structural Units in PDB entry:
1OAS


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 1OAS entry

There are 2 chains in PDB entry 1OAS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 1PHE 315
B
 SER 1PHE 315
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 1OAS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
7 10Right-handed 310
Helix 2
2
A
40 54Right-handed 310
Helix 3
3
A
71 83Right-handed alpha
Helix 4
4
A
97 105Right-handed alpha
Helix 5
5
A
115 133Right-handed 310
Helix 6
6
A
147 154Right-handed alpha
Helix 7
7
A
156 163Right-handed alpha
Helix 8
8
A
179 189Right-handed alpha
Helix 9
9
A
205 207Right-handed 310
Helix 10
10
A
209 215Right-handed alpha
Helix 11
11
A
240 242Right-handed 310
Helix 12
12
A
251 265Right-handed alpha
Helix 13
13
A
271 285Right-handed alpha
Helix 14
14
A
287 289Right-handed 310
Helix 15
15
A
302 305Right-handed 310
Helix 16
16
A
309 311Right-handed 310
Helix 17
17
B
7 10Right-handed 310
Helix 18
18
B
40 54Right-handed 310
Helix 19
19
B
71 83Right-handed alpha
Helix 20
20
B
97 105Right-handed alpha
Helix 21
21
B
115 133Right-handed 310
Helix 22
22
B
147 154Right-handed alpha
Helix 23
23
B
156 163Right-handed alpha
Helix 24
24
B
179 189Right-handed alpha
Helix 25
25
B
205 207Right-handed 310
Helix 26
26
B
209 215Right-handed alpha
Helix 27
27
B
240 242Right-handed 310
Helix 28
28
B
251 265Right-handed alpha
Helix 29
29
B
271 285Right-handed alpha
Helix 30
30
B
287 289Right-handed 310
Helix 31
31
B
302 305Right-handed 310
Helix 32
32
B
309 311Right-handed 310
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There are 4 sheets in PDB entry 1OAS. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 6 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
16 18first strand
Strand 2
A
27 31anti-parallel
Strand 3
A
294 298parallel
Strand 4
A
170 174parallel
Strand 5
A
198 204parallel
Strand 6
A
245 249parallel
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There are 4 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
137 139first strand
Strand 2
A
63 67parallel
Strand 3
A
87 92parallel
Strand 4
A
109 113parallel
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There are 6 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
16 18first strand
Strand 2
B
27 31anti-parallel
Strand 3
B
294 298parallel
Strand 4
B
170 174parallel
Strand 5
B
198 204parallel
Strand 6
B
245 249parallel
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There are 4 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
137 139first strand
Strand 2
B
63 67parallel
Strand 3
B
87 92parallel
Strand 4
B
109 113parallel
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