Analysis of interatomic Contacts of Structural Units in PDB entry:
3A3W


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 3A3W entry

There are 2 chains in PDB entry 3A3W (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 33ILE 168
A
 VAL 170THR 361
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 22 helices in PDB entry 3A3W. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
47 49Right-handed 310
Helix 2
2
A
64 69Right-handed alpha
Helix 3
3
A
70 74Right-handed 310
Helix 4
4
A
75 93Right-handed alpha
Helix 5
5
A
103 107Right-handed 310
Helix 6
6
A
109 121Right-handed alpha
Helix 7
7
A
135 140Right-handed alpha
Helix 8
8
A
142 156Right-handed alpha
Helix 9
9
A
177 195Right-handed alpha
Helix 10
10
A
208 219Right-handed alpha
Helix 11
11
A
222 224Right-handed 310
Helix 12
12
A
230 234Right-handed 310
Helix 13
13
A
236 246Right-handed alpha
Helix 14
14
A
265 272Right-handed alpha
Helix 15
15
A
276 290Right-handed alpha
Helix 16
16
A
292 294Right-handed 310
Helix 17
17
A
312 321Right-handed alpha
Helix 18
18
A
323 325Right-handed 310
Helix 19
19
A
326 331Right-handed alpha
Helix 20
20
A
331 339Right-handed alpha
Helix 21
21
A
342 351Right-handed alpha
Helix 22
22
A
351 359Right-handed alpha
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There are 4 sheets in PDB entry 3A3W. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 2 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
36 39first strand
Strand 2
A
42 45anti-parallel
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There are 3 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
52 56first strand
Strand 2
A
97 100parallel
Strand 3
A
123 125parallel
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There are 2 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
59 60first strand
Strand 2
A
305 306parallel
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There are 6 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
127 130first strand
Strand 2
A
167 171parallel
Strand 3
A
198 201parallel
Strand 4
A
226 228parallel
Strand 5
A
249 252parallel
Strand 6
A
296 298parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il