Analysis of interatomic Contacts of Structural Units in PDB entry:
2C20


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 2C20 entry

There are 6 chains in PDB entry 2C20 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 2LYS 330
B
 ASN 2LYS 330
C
 ASN 2LYS 330
D
 ASN 2LYS 330
E
 ASN 2LYS 330
F
 ASN 2LYS 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 72 helices in PDB entry 2C20. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
11 24Right-handed alpha
Helix 2
2
A
38 42Right-handed 310
Helix 3
3
A
55 66Right-handed alpha
Helix 4
4
A
79 86Right-handed alpha
Helix 5
5
A
86 108Right-handed alpha
Helix 6
6
A
118 123Right-handed 310
Helix 7
7
A
140 159Right-handed alpha
Helix 8
8
A
190 200Right-handed alpha
Helix 9
9
A
227 243Right-handed alpha
Helix 10
10
A
259 271Right-handed alpha
Helix 11
11
A
294 302Right-handed alpha
Helix 12
12
A
309 324Right-handed alpha
Helix 13
13
B
11 24Right-handed alpha
Helix 14
14
B
38 42Right-handed 310
Helix 15
15
B
55 66Right-handed alpha
Helix 16
16
B
79 86Right-handed alpha
Helix 17
17
B
86 109Right-handed alpha
Helix 18
18
B
118 123Right-handed 310
Helix 19
19
B
140 159Right-handed alpha
Helix 20
20
B
190 200Right-handed alpha
Helix 21
21
B
227 243Right-handed alpha
Helix 22
22
B
260 272Right-handed alpha
Helix 23
23
B
294 302Right-handed alpha
Helix 24
24
B
309 324Right-handed alpha
Helix 25
25
C
11 24Right-handed alpha
Helix 26
26
C
38 42Right-handed 310
Helix 27
27
C
55 65Right-handed alpha
Helix 28
28
C
79 86Right-handed alpha
Helix 29
29
C
86 108Right-handed alpha
Helix 30
30
C
118 123Right-handed 310
Helix 31
31
C
140 159Right-handed alpha
Helix 32
32
C
190 201Right-handed alpha
Helix 33
33
C
227 243Right-handed alpha
Helix 34
34
C
260 272Right-handed alpha
Helix 35
35
C
294 302Right-handed alpha
Helix 36
36
C
309 324Right-handed alpha
Helix 37
37
D
11 24Right-handed alpha
Helix 38
38
D
38 42Right-handed 310
Helix 39
39
D
55 65Right-handed alpha
Helix 40
40
D
79 86Right-handed alpha
Helix 41
41
D
86 109Right-handed alpha
Helix 42
42
D
118 123Right-handed 310
Helix 43
43
D
140 159Right-handed alpha
Helix 44
44
D
190 200Right-handed alpha
Helix 45
45
D
227 243Right-handed alpha
Helix 46
46
D
260 272Right-handed alpha
Helix 47
47
D
294 302Right-handed alpha
Helix 48
48
D
309 324Right-handed alpha
Helix 49
49
E
11 24Right-handed alpha
Helix 50
50
E
38 42Right-handed 310
Helix 51
51
E
55 66Right-handed alpha
Helix 52
52
E
79 86Right-handed alpha
Helix 53
53
E
86 106Right-handed alpha
Helix 54
54
E
118 123Right-handed 310
Helix 55
55
E
140 158Right-handed alpha
Helix 56
56
E
190 200Right-handed alpha
Helix 57
57
E
227 243Right-handed alpha
Helix 58
58
E
259 271Right-handed alpha
Helix 59
59
E
294 302Right-handed alpha
Helix 60
60
E
309 324Right-handed alpha
Helix 61
61
F
11 24Right-handed alpha
Helix 62
62
F
38 42Right-handed 310
Helix 63
63
F
55 66Right-handed alpha
Helix 64
64
F
79 86Right-handed alpha
Helix 65
65
F
86 108Right-handed alpha
Helix 66
66
F
118 123Right-handed 310
Helix 67
67
F
140 159Right-handed alpha
Helix 68
68
F
190 199Right-handed alpha
Helix 69
69
F
227 243Right-handed alpha
Helix 70
70
F
260 272Right-handed alpha
Helix 71
71
F
294 301Right-handed alpha
Helix 72
72
F
309 324Right-handed alpha
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There are 24 sheets in PDB entry 2C20. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD, CA, CB, CC, CD, A, DB, C, DD, EA, EB, EC, ED, FA, FB, FC, FD,

There are 7 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
47 50first strand
Strand 2
A
27 32parallel
Strand 3
A
3 7parallel
Strand 4
A
68 73parallel
Strand 5
A
112 116parallel
Strand 6
A
163 168parallel
Strand 7
A
248 251parallel
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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
171 173first strand
Strand 2
A
224 226parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
206 209first strand
Strand 2
A
277 280parallel
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There are 2 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
221 222first strand
Strand 2
A
289 290parallel
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There are 7 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
46 50first strand
Strand 2
B
28 32parallel
Strand 3
B
3 7parallel
Strand 4
B
68 73parallel
Strand 5
B
112 116parallel
Strand 6
B
163 168parallel
Strand 7
B
248 251parallel
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There are 2 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
171 173first strand
Strand 2
B
224 226parallel
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There are 2 strands in BC 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
277 280parallel
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There are 2 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
221 222first strand
Strand 2
B
258 259anti-parallel
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There are 7 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
47 50first strand
Strand 2
C
28 32parallel
Strand 3
C
3 7parallel
Strand 4
C
68 73parallel
Strand 5
C
112 116parallel
Strand 6
C
163 168parallel
Strand 7
C
248 251parallel
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There are 2 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
171 173first strand
Strand 2
C
224 226parallel
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There are 2 strands in CC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
206 209first strand
Strand 2
C
277 280parallel
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There are 2 strands in CD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
221 222first strand
Strand 2
C
258 259anti-parallel
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There are 7 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
47 50first strand
Strand 2
D
28 32parallel
Strand 3
D
3 7parallel
Strand 4
D
68 73parallel
Strand 5
D
112 116parallel
Strand 6
D
163 168parallel
Strand 7
D
248 251parallel
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There are 2 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
171 173first strand
Strand 2
D
224 226parallel
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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
D
206 209first strand
Strand 2
D
277 280parallel
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There are 2 strands in DD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
221 222first strand
Strand 2
D
258 259anti-parallel
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There are 7 strands in EA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
47 50first strand
Strand 2
E
28 32parallel
Strand 3
E
3 7parallel
Strand 4
E
68 73parallel
Strand 5
E
112 116parallel
Strand 6
E
163 168parallel
Strand 7
E
248 251parallel
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There are 2 strands in EB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
171 173first strand
Strand 2
E
224 226parallel
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There are 2 strands in EC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
206 208first strand
Strand 2
E
277 279parallel
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There are 2 strands in ED sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
221 222first strand
Strand 2
E
289 290parallel
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There are 7 strands in FA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
47 50first strand
Strand 2
F
28 32parallel
Strand 3
F
3 7parallel
Strand 4
F
68 73parallel
Strand 5
F
112 116parallel
Strand 6
F
163 168parallel
Strand 7
F
248 251parallel
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There are 2 strands in FB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
171 173first strand
Strand 2
F
224 226parallel
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There are 2 strands in FC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
206 209first strand
Strand 2
F
277 280parallel
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There are 3 strands in FD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
258 259first strand
Strand 2
F
221 222anti-parallel
Strand 3
F
289 290parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il