Analysis of interatomic Contacts of Structural Units in PDB entry:
4ELR


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 4ELR entry

There are 2 chains in PDB entry 4ELR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 21LEU 330
B
 SER 21LEU 330
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 34 helices in PDB entry 4ELR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
31 47Right-handed alpha
Helix 2
2
A
56 68Right-handed alpha
Helix 3
3
A
69 71Right-handed 310
Helix 4
4
A
80 90Right-handed alpha
Helix 5
5
A
97 102Right-handed alpha
Helix 6
6
A
132 136Right-handed 310
Helix 7
7
A
139 141Right-handed 310
Helix 8
8
A
142 150Right-handed alpha
Helix 9
9
A
162 191Right-handed alpha
Helix 10
10
A
198 208Right-handed alpha
Helix 11
11
A
218 227Right-handed alpha
Helix 12
12
A
240 243Right-handed 310
Helix 13
13
A
258 270Right-handed alpha
Helix 14
14
A
271 281Right-handed alpha
Helix 15
15
A
299 307Right-handed alpha
Helix 16
16
A
311 315Right-handed 310
Helix 17
17
A
316 327Right-handed alpha
Helix 18
18
B
31 47Right-handed alpha
Helix 19
19
B
56 68Right-handed alpha
Helix 20
20
B
69 71Right-handed 310
Helix 21
21
B
80 90Right-handed alpha
Helix 22
22
B
97 102Right-handed alpha
Helix 23
23
B
132 136Right-handed 310
Helix 24
24
B
139 141Right-handed 310
Helix 25
25
B
142 150Right-handed alpha
Helix 26
26
B
162 191Right-handed alpha
Helix 27
27
B
198 208Right-handed alpha
Helix 28
28
B
218 227Right-handed alpha
Helix 29
29
B
240 243Right-handed 310
Helix 30
30
B
258 270Right-handed alpha
Helix 31
31
B
271 281Right-handed alpha
Helix 32
32
B
299 307Right-handed alpha
Helix 33
33
B
311 315Right-handed 310
Helix 34
34
B
316 327Right-handed alpha
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There are 4 sheets in PDB entry 4ELR. 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
50 54first strand
Strand 2
A
24 28parallel
Strand 3
A
75 78parallel
Strand 4
A
245 252anti-parallel
Strand 5
A
115 126anti-parallel
Strand 6
A
232 234anti-parallel
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There are 5 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
156 158parallel
Strand 3
A
213 217parallel
Strand 4
A
115 126anti-parallel
Strand 5
A
285 286anti-parallel
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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
50 54first strand
Strand 2
B
24 28parallel
Strand 3
B
75 78parallel
Strand 4
B
245 252anti-parallel
Strand 5
B
115 126anti-parallel
Strand 6
B
232 234anti-parallel
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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
194 195first strand
Strand 2
B
156 158parallel
Strand 3
B
213 217parallel
Strand 4
B
115 126anti-parallel
Strand 5
B
285 286anti-parallel
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