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


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 3AEX entry

There are 2 chains in PDB entry 3AEX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LEU 351
B
 MET 1LEU 351
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 36 helices in PDB entry 3AEX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
4 9Right-handed alpha
Helix 2
2
A
10 13Right-handed 310
Helix 3
3
A
37 43Right-handed alpha
Helix 4
4
A
53 55Right-handed 310
Helix 5
5
A
60 75Right-handed alpha
Helix 6
6
A
86 100Right-handed alpha
Helix 7
7
A
113 123Right-handed alpha
Helix 8
8
A
133 148Right-handed alpha
Helix 9
9
A
157 165Right-handed alpha
Helix 10
10
A
165 176Right-handed alpha
Helix 11
11
A
189 205Right-handed alpha
Helix 12
12
A
223 228Right-handed alpha
Helix 13
13
A
238 242Right-handed 310
Helix 14
14
A
248 260Right-handed alpha
Helix 15
15
A
267 282Right-handed alpha
Helix 16
16
A
287 303Right-handed alpha
Helix 17
17
A
319 330Right-handed 310
Helix 18
18
A
340 348Right-handed alpha
Helix 19
19
B
4 9Right-handed alpha
Helix 20
20
B
10 13Right-handed 310
Helix 21
21
B
37 42Right-handed alpha
Helix 22
22
B
53 55Right-handed 310
Helix 23
23
B
60 75Right-handed alpha
Helix 24
24
B
86 100Right-handed alpha
Helix 25
25
B
113 123Right-handed alpha
Helix 26
26
B
133 148Right-handed alpha
Helix 27
27
B
157 165Right-handed alpha
Helix 28
28
B
165 176Right-handed alpha
Helix 29
29
B
189 205Right-handed alpha
Helix 30
30
B
223 228Right-handed alpha
Helix 31
31
B
238 242Right-handed 310
Helix 32
32
B
248 260Right-handed alpha
Helix 33
33
B
267 282Right-handed alpha
Helix 34
34
B
287 303Right-handed alpha
Helix 35
35
B
319 330Right-handed 310
Helix 36
36
B
340 348Right-handed alpha
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There are 4 sheets in PDB entry 3AEX. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 6 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
31 33first strand
Strand 2
A
46 51anti-parallel
Strand 3
A
311 316parallel
Strand 4
A
181 185parallel
Strand 5
A
215 219parallel
Strand 6
A
262 266parallel
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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
126 130first strand
Strand 2
A
102 108parallel
Strand 3
A
79 83parallel
Strand 4
A
151 152parallel
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There are 6 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
31 33first strand
Strand 2
B
46 51anti-parallel
Strand 3
B
311 316parallel
Strand 4
B
181 185parallel
Strand 5
B
213 219parallel
Strand 6
B
262 266parallel
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There are 4 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
126 130first strand
Strand 2
B
102 108parallel
Strand 3
B
79 83parallel
Strand 4
B
151 152parallel
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