Analysis of interatomic Contacts of Structural Units in PDB entry:
2G20


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 2G20 entry

There are 2 chains in PDB entry 2G20 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 3ARG 335
B
 SER 3ARG 335
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 20 helices in PDB entry 2G20. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
50 55Right-handed alpha
Helix 2
2
A
60 64Right-handed 310
Helix 3
3
A
110 115Right-handed alpha
Helix 4
4
A
127 135Right-handed 310
Helix 5
5
A
137 145Right-handed alpha
Helix 6
6
A
177 179Right-handed 310
Helix 7
7
A
230 241Right-handed alpha
Helix 8
8
A
255 260Right-handed 310
Helix 9
9
A
275 280Right-handed alpha
Helix 10
10
A
311 316Right-handed alpha
Helix 11
11
B
50 55Right-handed alpha
Helix 12
12
B
60 64Right-handed 310
Helix 13
13
B
110 115Right-handed alpha
Helix 14
14
B
127 131Right-handed 310
Helix 15
15
B
137 145Right-handed alpha
Helix 16
16
B
177 181Right-handed 310
Helix 17
17
B
230 242Right-handed alpha
Helix 18
18
B
255 260Right-handed 310
Helix 19
19
B
275 280Right-handed alpha
Helix 20
20
B
311 317Right-handed alpha
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There are 11 sheets in PDB entry 2G20. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K,

There are 9 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
68 78first strand
Strand 2
A
81 94anti-parallel
Strand 3
A
14 21anti-parallel
Strand 4
A
4 10anti-parallel
Strand 5
A
169 173anti-parallel
Strand 6
A
152 157anti-parallel
Strand 7
A
318 323anti-parallel
Strand 8
A
328 334anti-parallel
Strand 9
A
181 189anti-parallel
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There are 13 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
68 78first strand
Strand 2
A
81 94anti-parallel
Strand 3
A
97 108anti-parallel
Strand 4
A
39 42parallel
Strand 5
A
121 124anti-parallel
Strand 6
A
26 33parallel
Strand 7
A
14 21anti-parallel
Strand 8
A
4 10anti-parallel
Strand 9
A
169 173anti-parallel
Strand 10
A
152 157anti-parallel
Strand 11
A
318 323anti-parallel
Strand 12
A
328 334anti-parallel
Strand 13
A
181 189anti-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
271 274first strand
Strand 2
A
263 267anti-parallel
Strand 3
A
197 205anti-parallel
Strand 4
A
216 220anti-parallel
Strand 5
A
308 310parallel
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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
227 229first strand
Strand 2
A
295 297parallel
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There are 3 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
244 245first strand
Strand 2
A
250 253anti-parallel
Strand 3
A
290 292anti-parallel
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There are 9 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
73 77first strand
Strand 2
B
82 94anti-parallel
Strand 3
B
14 21anti-parallel
Strand 4
B
4 10anti-parallel
Strand 5
B
169 173anti-parallel
Strand 6
B
152 157anti-parallel
Strand 7
B
318 323anti-parallel
Strand 8
B
328 333anti-parallel
Strand 9
B
186 189anti-parallel
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There are 13 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
73 77first strand
Strand 2
B
82 94anti-parallel
Strand 3
B
97 108anti-parallel
Strand 4
B
39 42parallel
Strand 5
B
121 124anti-parallel
Strand 6
B
26 33parallel
Strand 7
B
14 21anti-parallel
Strand 8
B
4 10anti-parallel
Strand 9
B
169 173anti-parallel
Strand 10
B
152 157anti-parallel
Strand 11
B
318 323anti-parallel
Strand 12
B
328 333anti-parallel
Strand 13
B
186 189anti-parallel
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There are 3 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
197 200first strand
Strand 2
B
216 220anti-parallel
Strand 3
B
308 310parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
203 205first strand
Strand 2
B
263 267anti-parallel
Strand 3
B
270 274anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
227 229first strand
Strand 2
B
295 297parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
244 245first strand
Strand 2
B
250 253anti-parallel
Strand 3
B
290 292anti-parallel
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