Analysis of interatomic Contacts of Structural Units in PDB entry:
6B20


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 6B20 entry

There are 6 chains in PDB entry 6B20 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 3ASN 340
C
 GLU 11GLU 66
B
 GLU 3ASN 340
D
 GLU 7LYS 65
E
 GLN 1SER 114
F
 GLN 1SER 114
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 18 helices in PDB entry 6B20. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
3 24Right-handed alpha
Helix 2
AA2
A
29 34Right-handed alpha
Helix 3
AA3
C
12 27Right-handed alpha
Helix 4
AA4
C
32 48Right-handed alpha
Helix 5
AA5
C
51 56Right-handed alpha
Helix 6
AA6
B
4 24Right-handed alpha
Helix 7
AA7
B
29 34Right-handed alpha
Helix 8
AA8
D
10 26Right-handed alpha
Helix 9
AA9
D
32 48Right-handed alpha
Helix 10
AB1
D
51 56Right-handed alpha
Helix 11
AB2
E
27 31Right-handed 310
Helix 12
AB3
E
73 75Right-handed 310
Helix 13
AB4
E
86 90Right-handed 310
Helix 14
AB5
E
98 102Right-handed 310
Helix 15
AB6
F
27 31Right-handed 310
Helix 16
AB7
F
73 75Right-handed 310
Helix 17
AB8
F
86 90Right-handed 310
Helix 18
AB9
F
98 102Right-handed 310
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There are 20 sheets in PDB entry 6B20. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3, AB4, AB5, AB6, AB7, AB8, AB9, AC1, AC2,

There are 4 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
46 51first strand
Strand 2
A
336 340anti-parallel
Strand 3
A
327 331anti-parallel
Strand 4
A
315 320anti-parallel
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There are 4 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
58 63first strand
Strand 2
A
69 74anti-parallel
Strand 3
A
78 83anti-parallel
Strand 4
A
89 94anti-parallel
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There are 4 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
100 105first strand
Strand 2
A
111 116anti-parallel
Strand 3
A
120 125anti-parallel
Strand 4
A
134 140anti-parallel
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There are 4 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
146 151first strand
Strand 2
A
156 161anti-parallel
Strand 3
A
166 170anti-parallel
Strand 4
A
175 180anti-parallel
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There are 4 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
187 192first strand
Strand 2
A
198 203anti-parallel
Strand 3
A
208 212anti-parallel
Strand 4
A
217 222anti-parallel
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There are 4 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
229 234first strand
Strand 2
A
240 245anti-parallel
Strand 3
A
250 254anti-parallel
Strand 4
A
259 264anti-parallel
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There are 4 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
273 278first strand
Strand 2
A
284 289anti-parallel
Strand 3
A
293 298anti-parallel
Strand 4
A
304 309anti-parallel
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There are 4 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
46 51first strand
Strand 2
B
336 340anti-parallel
Strand 3
B
327 331anti-parallel
Strand 4
B
315 320anti-parallel
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There are 4 strands in AA9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
58 63first strand
Strand 2
B
69 74anti-parallel
Strand 3
B
78 83anti-parallel
Strand 4
B
89 94anti-parallel
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There are 4 strands in AB1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
100 105first strand
Strand 2
B
111 116anti-parallel
Strand 3
B
121 125anti-parallel
Strand 4
B
134 139anti-parallel
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There are 4 strands in AB2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
146 151first strand
Strand 2
B
156 161anti-parallel
Strand 3
B
166 170anti-parallel
Strand 4
B
175 180anti-parallel
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There are 4 strands in AB3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
187 192first strand
Strand 2
B
198 203anti-parallel
Strand 3
B
208 212anti-parallel
Strand 4
B
217 222anti-parallel
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There are 4 strands in AB4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
229 234first strand
Strand 2
B
240 245anti-parallel
Strand 3
B
250 254anti-parallel
Strand 4
B
259 264anti-parallel
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There are 4 strands in AB5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
273 278first strand
Strand 2
B
284 289anti-parallel
Strand 3
B
294 298anti-parallel
Strand 4
B
304 308anti-parallel
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There are 4 strands in AB6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
4 7first strand
Strand 2
E
18 24anti-parallel
Strand 3
E
77 82anti-parallel
Strand 4
E
67 72anti-parallel
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There are 6 strands in AB7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
10 13first strand
Strand 2
E
108 113parallel
Strand 3
E
91 97anti-parallel
Strand 4
E
34 39anti-parallel
Strand 5
E
46 51anti-parallel
Strand 6
E
57 59anti-parallel
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There are 4 strands in AB8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
10 13first strand
Strand 2
E
108 113parallel
Strand 3
E
91 97anti-parallel
Strand 4
E
103 104anti-parallel
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There are 4 strands in AB9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
4 7first strand
Strand 2
F
18 24anti-parallel
Strand 3
F
77 82anti-parallel
Strand 4
F
67 72anti-parallel
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There are 6 strands in AC1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
10 13first strand
Strand 2
F
108 113parallel
Strand 3
F
91 97anti-parallel
Strand 4
F
34 39anti-parallel
Strand 5
F
46 51anti-parallel
Strand 6
F
57 59anti-parallel
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There are 4 strands in AC2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
10 13first strand
Strand 2
F
108 113parallel
Strand 3
F
91 97anti-parallel
Strand 4
F
103 104anti-parallel
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