Analysis of interatomic Contacts of Structural Units in PDB entry:
2G21


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 2G21 entry

There are 2 chains in PDB entry 2G21 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 3ARG 333
B
 SER 3ARG 333
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 2G21. 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 144Right-handed alpha
Helix 6
6
A
175 177Right-handed 310
Helix 7
7
A
228 240Right-handed alpha
Helix 8
8
A
253 258Right-handed 310
Helix 9
9
A
273 278Right-handed alpha
Helix 10
10
A
309 314Right-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
131 135Right-handed 310
Helix 15
15
B
137 145Right-handed alpha
Helix 16
16
B
175 177Right-handed 310
Helix 17
17
B
228 240Right-handed alpha
Helix 18
18
B
253 258Right-handed 310
Helix 19
19
B
273 277Right-handed alpha
Helix 20
20
B
309 315Right-handed alpha
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There are 9 sheets in PDB entry 2G21. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

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
167 171anti-parallel
Strand 6
A
152 157anti-parallel
Strand 7
A
316 321anti-parallel
Strand 8
A
326 332anti-parallel
Strand 9
A
179 187anti-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
167 171anti-parallel
Strand 10
A
152 157anti-parallel
Strand 11
A
316 321anti-parallel
Strand 12
A
326 332anti-parallel
Strand 13
A
179 187anti-parallel
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There are 7 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
269 272first strand
Strand 2
A
261 265anti-parallel
Strand 3
A
195 203anti-parallel
Strand 4
A
214 218anti-parallel
Strand 5
A
306 308parallel
Strand 6
A
225 227anti-parallel
Strand 7
A
293 295parallel
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There are 3 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
242 243first strand
Strand 2
A
248 251anti-parallel
Strand 3
A
288 290anti-parallel
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There are 9 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
68 77first strand
Strand 2
B
82 94anti-parallel
Strand 3
B
14 21anti-parallel
Strand 4
B
4 10anti-parallel
Strand 5
B
167 171anti-parallel
Strand 6
B
152 157anti-parallel
Strand 7
B
316 321anti-parallel
Strand 8
B
326 332anti-parallel
Strand 9
B
179 187anti-parallel
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There are 13 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
68 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
167 171anti-parallel
Strand 10
B
152 157anti-parallel
Strand 11
B
316 321anti-parallel
Strand 12
B
326 332anti-parallel
Strand 13
B
179 187anti-parallel
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There are 4 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
206 209first strand
Strand 2
B
195 203anti-parallel
Strand 3
B
261 265anti-parallel
Strand 4
B
268 272anti-parallel
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There are 6 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
206 209first strand
Strand 2
B
195 203anti-parallel
Strand 3
B
214 218anti-parallel
Strand 4
B
306 308parallel
Strand 5
B
225 227anti-parallel
Strand 6
B
293 295parallel
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There are 4 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
242 243first strand
Strand 2
B
248 251anti-parallel
Strand 3
B
288 291anti-parallel
Strand 4
B
278 279anti-parallel
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