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


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 1OHS entry

There are 4 chains in PDB entry 1OHS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ALA 125
B
 MET 201ALA 325
C
 MET 1ALA 125
D
 MET 201ALA 325
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 16 helices in PDB entry 1OHS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
3 21Right-handed alpha
Helix 2
2
A
22 29Right-handed alpha
Helix 3
3
A
47 59Right-handed alpha
Helix 4
4
A
117 119Right-handed 310
Helix 5
5
B
203 221Right-handed alpha
Helix 6
6
B
222 228Right-handed alpha
Helix 7
7
B
247 259Right-handed alpha
Helix 8
8
B
317 319Right-handed 310
Helix 9
9
C
3 21Right-handed alpha
Helix 10
10
C
22 28Right-handed alpha
Helix 11
11
C
47 59Right-handed alpha
Helix 12
12
C
117 119Right-handed 310
Helix 13
13
D
203 221Right-handed alpha
Helix 14
14
D
222 228Right-handed alpha
Helix 15
15
D
247 259Right-handed alpha
Helix 16
16
D
317 319Right-handed 310
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There are 7 sheets in PDB entry 1OHS. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB, CA, CB, DA,

There are 6 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
45 46first strand
Strand 2
A
30 37anti-parallel
Strand 3
A
109 115parallel
Strand 4
A
98 103anti-parallel
Strand 5
A
77 88anti-parallel
Strand 6
A
64 67anti-parallel
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There are 6 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
45 46first strand
Strand 2
A
30 37anti-parallel
Strand 3
A
109 115parallel
Strand 4
A
98 103anti-parallel
Strand 5
A
77 88anti-parallel
Strand 6
A
72 74anti-parallel
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There are 6 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
245 246first strand
Strand 2
B
230 237anti-parallel
Strand 3
B
309 315parallel
Strand 4
B
298 303anti-parallel
Strand 5
B
277 288anti-parallel
Strand 6
B
264 267anti-parallel
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There are 6 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
245 246first strand
Strand 2
B
230 237anti-parallel
Strand 3
B
309 315parallel
Strand 4
B
298 303anti-parallel
Strand 5
B
277 288anti-parallel
Strand 6
B
272 274anti-parallel
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There are 6 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
45 46first strand
Strand 2
C
30 37anti-parallel
Strand 3
C
109 115parallel
Strand 4
C
98 103anti-parallel
Strand 5
C
77 88anti-parallel
Strand 6
C
64 67anti-parallel
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There are 6 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
45 46first strand
Strand 2
C
30 37anti-parallel
Strand 3
C
109 115parallel
Strand 4
C
98 103anti-parallel
Strand 5
C
77 88anti-parallel
Strand 6
C
72 74anti-parallel
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There are 12 strands in DA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
245 246first strand
Strand 2
D
230 237anti-parallel
Strand 3
D
309 315parallel
Strand 4
D
298 303anti-parallel
Strand 5
D
277 288anti-parallel
Strand 6
D
264 267anti-parallel
Strand 7
D
277 288anti-parallel
Strand 8
D
272 274anti-parallel
Strand 9
D
277 288anti-parallel
Strand 10
D
321 323first strand
Strand 11
D
291 295anti-parallel
Strand 12
D
277 288anti-parallel
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