Analysis of interatomic Contacts of Structural Units in PDB entry:
2AA4


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 2AA4 entry

There are 2 chains in PDB entry 2AA4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1GLU 289
B
 MET 1GLU 289
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 31 helices in PDB entry 2AA4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
37 50Right-handed alpha
Helix 2
2
A
52 56Right-handed 310
Helix 3
3
A
76 84Right-handed 310
Helix 4
4
A
87 97Right-handed alpha
Helix 5
5
A
105 116Right-handed alpha
Helix 6
6
A
153 157Right-handed 310
Helix 7
7
A
173 179Right-handed alpha
Helix 8
8
A
179 186Right-handed alpha
Helix 9
9
A
188 192Right-handed 310
Helix 10
10
A
195 205Right-handed alpha
Helix 11
11
A
207 233Right-handed alpha
Helix 12
12
A
241 245Right-handed alpha
Helix 13
13
A
248 258Right-handed alpha
Helix 14
14
A
259 260Right-handed 310
Helix 15
15
A
261 265Right-handed 310
Helix 16
16
A
276 288Right-handed alpha
Helix 17
17
B
37 54Right-handed alpha
Helix 18
18
B
76 81Right-handed 310
Helix 19
19
B
87 97Right-handed alpha
Helix 20
20
B
105 116Right-handed alpha
Helix 21
21
B
153 157Right-handed 310
Helix 22
22
B
173 179Right-handed alpha
Helix 23
23
B
179 186Right-handed alpha
Helix 24
24
B
187 192Right-handed 310
Helix 25
25
B
195 205Right-handed alpha
Helix 26
26
B
207 233Right-handed alpha
Helix 27
27
B
241 245Right-handed alpha
Helix 28
28
B
248 258Right-handed alpha
Helix 29
29
B
259 260Right-handed 310
Helix 30
30
B
261 265Right-handed 310
Helix 31
31
B
276 287Right-handed alpha
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There are 6 sheets in PDB entry 2AA4. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 5 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
24 31first strand
Strand 2
A
12 18anti-parallel
Strand 3
A
3 8anti-parallel
Strand 4
A
58 63parallel
Strand 5
A
100 104parallel
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There are 2 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
66 68first strand
Strand 2
A
71 73anti-parallel
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There are 5 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
142 144first strand
Strand 2
A
133 139anti-parallel
Strand 3
A
124 129anti-parallel
Strand 4
A
236 240parallel
Strand 5
A
267 270parallel
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There are 5 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
24 31first strand
Strand 2
B
12 18anti-parallel
Strand 3
B
3 8anti-parallel
Strand 4
B
58 63parallel
Strand 5
B
100 104parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
66 68first strand
Strand 2
B
71 73anti-parallel
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There are 5 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
142 144first strand
Strand 2
B
133 139anti-parallel
Strand 3
B
124 129anti-parallel
Strand 4
B
236 240parallel
Strand 5
B
267 270parallel
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