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


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 1USG entry

There is 1 chain in PDB entry 1USG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 1LYS 346
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 17 helices in PDB entry 1USG. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
15 36Right-handed alpha
Helix 2
2
A
54 68Right-handed alpha
Helix 3
3
A
78 93Right-handed alpha
Helix 4
4
A
103 108Right-handed 310
Helix 5
5
A
120 122Right-handed 310
Helix 6
6
A
123 135Right-handed alpha
Helix 7
7
A
148 165Right-handed alpha
Helix 8
8
A
182 192Right-handed alpha
Helix 9
9
A
202 216Right-handed alpha
Helix 10
10
A
225 229Right-handed 310
Helix 11
11
A
232 238Right-handed alpha
Helix 12
12
A
239 242Right-handed 310
Helix 13
13
A
251 255Right-handed 310
Helix 14
14
A
255 257Right-handed 310
Helix 15
15
A
258 268Right-handed alpha
Helix 16
16
A
274 295Right-handed alpha
Helix 17
17
A
298 310Right-handed alpha
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There are 3 sheets in PDB entry 1USG. Click on sheet of interest to get list of strands forming it: AA, AB, AC,

There are 5 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
44 50first strand
Strand 2
A
3 9parallel
Strand 3
A
72 74parallel
Strand 4
A
95 98parallel
Strand 5
A
114 116parallel
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There are 7 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
169 174first strand
Strand 2
A
141 145parallel
Strand 3
A
196 200parallel
Strand 4
A
221 224parallel
Strand 5
A
245 248parallel
Strand 6
A
332 336anti-parallel
Strand 7
A
342 344anti-parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
311 313first strand
Strand 2
A
316 318anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il