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


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 2ETR entry

There are 2 chains in PDB entry 2ETR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 6TYR 405
B
 MET 5ASN 402
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 39 helices in PDB entry 2ETR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
6 18Right-handed alpha
Helix 2
2
A
26 40Right-handed alpha
Helix 3
3
A
49 70Right-handed alpha
Helix 4
4
A
72 74Right-handed 310
Helix 5
5
A
109 114Right-handed alpha
Helix 6
6
A
120 131Right-handed alpha
Helix 7
7
A
160 166Right-handed alpha
Helix 8
8
A
171 192Right-handed alpha
Helix 9
9
A
200 202Right-handed 310
Helix 10
10
A
242 247Right-handed alpha
Helix 11
11
A
257 274Right-handed alpha
Helix 12
12
A
282 292Right-handed alpha
Helix 13
13
A
292 297Right-handed alpha
Helix 14
14
A
306 317Right-handed alpha
Helix 15
15
A
319 323Right-handed 310
Helix 16
16
A
329 334Right-handed alpha
Helix 17
17
A
335 339Right-handed 310
Helix 18
18
A
344 351Right-handed 310
Helix 19
19
A
391 395Right-handed 310
Helix 20
20
B
6 18Right-handed alpha
Helix 21
21
B
26 40Right-handed alpha
Helix 22
22
B
49 70Right-handed alpha
Helix 23
23
B
72 74Right-handed 310
Helix 24
24
B
109 115Right-handed alpha
Helix 25
25
B
120 131Right-handed alpha
Helix 26
26
B
160 166Right-handed alpha
Helix 27
27
B
171 192Right-handed alpha
Helix 28
28
B
200 202Right-handed 310
Helix 29
29
B
237 241Right-handed 310
Helix 30
30
B
242 248Right-handed alpha
Helix 31
31
B
257 274Right-handed alpha
Helix 32
32
B
282 292Right-handed alpha
Helix 33
33
B
292 297Right-handed alpha
Helix 34
34
B
306 317Right-handed alpha
Helix 35
35
B
319 323Right-handed 310
Helix 36
36
B
329 334Right-handed alpha
Helix 37
37
B
335 339Right-handed 310
Helix 38
38
B
344 351Right-handed 310
Helix 39
39
B
391 395Right-handed 310
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There are 8 sheets in PDB entry 2ETR. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
76 85first strand
Strand 2
A
88 95anti-parallel
Strand 3
A
101 108anti-parallel
Strand 4
A
148 153anti-parallel
Strand 5
A
139 144anti-parallel
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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
194 195first strand
Strand 2
A
221 222anti-parallel
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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
204 206first strand
Strand 2
A
212 214anti-parallel
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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
229 230first strand
Strand 2
A
254 255anti-parallel
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There are 5 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
76 83first strand
Strand 2
B
90 95anti-parallel
Strand 3
B
101 108anti-parallel
Strand 4
B
148 154anti-parallel
Strand 5
B
139 144anti-parallel
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There are 2 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
194 195first strand
Strand 2
B
221 222anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
204 206first strand
Strand 2
B
212 214anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
229 230first strand
Strand 2
B
254 255anti-parallel
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