Analysis of interatomic Contacts of Structural Units in PDB entry:
1OS2


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 1OS2 entry

There are 6 chains in PDB entry 1OS2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 104ASN 268
B
 MET 104ASN 268
C
 MET 104ASN 268
D
 MET 104ASN 268
E
 MET 104ASN 268
F
 MET 104ASN 268
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 19 helices in PDB entry 1OS2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
126 143Right-handed alpha
Helix 2
2
A
212 224Right-handed alpha
Helix 3
3
A
251 263Right-handed alpha
Helix 4
4
B
126 143Right-handed alpha
Helix 5
5
B
212 224Right-handed alpha
Helix 6
6
B
244 248Right-handed 310
Helix 7
7
B
251 263Right-handed alpha
Helix 8
8
C
126 144Right-handed alpha
Helix 9
9
C
212 224Right-handed alpha
Helix 10
10
C
251 263Right-handed alpha
Helix 11
11
D
126 143Right-handed alpha
Helix 12
12
D
212 224Right-handed alpha
Helix 13
13
D
251 263Right-handed alpha
Helix 14
14
E
126 143Right-handed alpha
Helix 15
15
E
212 224Right-handed alpha
Helix 16
16
E
251 263Right-handed alpha
Helix 17
17
F
126 143Right-handed alpha
Helix 18
18
F
212 224Right-handed alpha
Helix 19
19
F
251 263Right-handed alpha
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There are 13 sheets in PDB entry 1OS2. 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,

There are 5 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
148 151first strand
Strand 2
A
113 118parallel
Strand 3
A
159 164parallel
Strand 4
A
195 198parallel
Strand 5
A
182 184anti-parallel
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There are 2 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
203 204first strand
Strand 2
A
210 211parallel
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There are 5 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
148 151first strand
Strand 2
B
113 118parallel
Strand 3
B
159 164parallel
Strand 4
B
195 198parallel
Strand 5
B
182 184anti-parallel
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There are 2 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
203 204first strand
Strand 2
B
210 211parallel
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There are 5 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
148 151first strand
Strand 2
C
113 118parallel
Strand 3
C
159 164parallel
Strand 4
C
195 198parallel
Strand 5
C
182 184anti-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
C
203 204first strand
Strand 2
C
210 211parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
148 151first strand
Strand 2
D
113 118parallel
Strand 3
D
159 164parallel
Strand 4
D
195 198parallel
Strand 5
D
182 184anti-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
D
203 204first strand
Strand 2
D
210 211parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
105 107first strand
Strand 2
F
239 240parallel
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There are 5 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
148 151first strand
Strand 2
E
113 118parallel
Strand 3
E
159 164parallel
Strand 4
E
195 198parallel
Strand 5
E
182 184anti-parallel
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There are 2 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
203 204first strand
Strand 2
E
210 211parallel
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There are 5 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
148 151first strand
Strand 2
F
113 118parallel
Strand 3
F
159 164parallel
Strand 4
F
195 198parallel
Strand 5
F
182 184anti-parallel
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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
203 204first strand
Strand 2
F
210 211parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il