Analysis of interatomic Contacts of Structural Units in PDB entry:
1O20


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 1O20 entry

There is 1 chain in PDB entry 1O20 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 2GLU 415
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 1O20. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 19Right-handed alpha
Helix 2
2
A
22 40Right-handed alpha
Helix 3
3
A
40 58Right-handed alpha
Helix 4
4
A
61 69Right-handed alpha
Helix 5
5
A
71 88Right-handed alpha
Helix 6
6
A
125 138Right-handed alpha
Helix 7
7
A
147 149Right-handed 310
Helix 8
8
A
150 166Right-handed alpha
Helix 9
9
A
171 173Right-handed 310
Helix 10
10
A
183 190Right-handed alpha
Helix 11
11
A
204 215Right-handed alpha
Helix 12
12
A
236 250Right-handed alpha
Helix 13
13
A
265 282Right-handed alpha
Helix 14
14
A
289 296Right-handed alpha
Helix 15
15
A
303 307Right-handed 310
Helix 16
16
A
323 335Right-handed alpha
Helix 17
17
A
346 357Right-handed alpha
Helix 18
18
A
367 371Right-handed 310
Helix 19
19
A
397 399Right-handed 310
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There are 4 sheets in PDB entry 1O20. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 3 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
95 100first strand
Strand 2
A
106 113anti-parallel
Strand 3
A
401 408anti-parallel
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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
175 177first strand
Strand 2
A
142 145parallel
Strand 3
A
117 120parallel
Strand 4
A
198 201parallel
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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
A
300 301first strand
Strand 2
A
285 288parallel
Strand 3
A
315 321parallel
Strand 4
A
258 264parallel
Strand 5
A
227 231parallel
Strand 6
A
339 343parallel
Strand 7
A
361 364parallel
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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
A
384 385first strand
Strand 2
A
393 394anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il