Analysis of interatomic Contacts of Structural Units in PDB entry:
2C4K


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 2C4K entry

There are 6 chains in PDB entry 2C4K (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 7ARG 350
B
 GLY 7ARG 350
C
 GLY 7ARG 350
D
 GLY 7ARG 350
E
 GLY 7ARG 350
F
 GLY 7ARG 350
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 78 helices in PDB entry 2C4K. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
20 30Right-handed alpha
Helix 2
2
A
69 87Right-handed alpha
Helix 3
3
A
113 125Right-handed alpha
Helix 4
4
A
137 144Right-handed 310
Helix 5
5
A
153 165Right-handed alpha
Helix 6
6
A
167 170Right-handed 310
Helix 7
7
A
177 179Right-handed 310
Helix 8
8
A
180 192Right-handed alpha
Helix 9
9
A
262 274Right-handed alpha
Helix 10
10
A
292 300Right-handed alpha
Helix 11
11
A
313 320Right-handed alpha
Helix 12
12
A
328 342Right-handed alpha
Helix 13
13
A
345 350Right-handed alpha
Helix 14
14
B
20 30Right-handed alpha
Helix 15
15
B
69 87Right-handed alpha
Helix 16
16
B
113 125Right-handed alpha
Helix 17
17
B
137 144Right-handed 310
Helix 18
18
B
153 165Right-handed alpha
Helix 19
19
B
167 170Right-handed 310
Helix 20
20
B
177 179Right-handed 310
Helix 21
21
B
180 192Right-handed alpha
Helix 22
22
B
262 274Right-handed alpha
Helix 23
23
B
292 300Right-handed alpha
Helix 24
24
B
313 320Right-handed alpha
Helix 25
25
B
328 342Right-handed alpha
Helix 26
26
B
345 350Right-handed alpha
Helix 27
27
C
20 30Right-handed alpha
Helix 28
28
C
69 87Right-handed alpha
Helix 29
29
C
113 125Right-handed alpha
Helix 30
30
C
137 144Right-handed 310
Helix 31
31
C
153 165Right-handed alpha
Helix 32
32
C
167 170Right-handed 310
Helix 33
33
C
177 179Right-handed 310
Helix 34
34
C
180 192Right-handed alpha
Helix 35
35
C
262 274Right-handed alpha
Helix 36
36
C
292 300Right-handed alpha
Helix 37
37
C
313 320Right-handed alpha
Helix 38
38
C
328 342Right-handed alpha
Helix 39
39
C
345 350Right-handed alpha
Helix 40
40
D
20 30Right-handed alpha
Helix 41
41
D
69 87Right-handed alpha
Helix 42
42
D
113 125Right-handed alpha
Helix 43
43
D
137 143Right-handed 310
Helix 44
44
D
153 165Right-handed alpha
Helix 45
45
D
167 170Right-handed 310
Helix 46
46
D
177 179Right-handed 310
Helix 47
47
D
180 192Right-handed alpha
Helix 48
48
D
262 274Right-handed alpha
Helix 49
49
D
292 300Right-handed alpha
Helix 50
50
D
313 320Right-handed alpha
Helix 51
51
D
328 342Right-handed alpha
Helix 52
52
D
345 350Right-handed alpha
Helix 53
53
E
20 30Right-handed alpha
Helix 54
54
E
69 87Right-handed alpha
Helix 55
55
E
113 125Right-handed alpha
Helix 56
56
E
137 144Right-handed 310
Helix 57
57
E
153 165Right-handed alpha
Helix 58
58
E
167 170Right-handed 310
Helix 59
59
E
177 179Right-handed 310
Helix 60
60
E
180 192Right-handed alpha
Helix 61
61
E
262 274Right-handed alpha
Helix 62
62
E
292 300Right-handed alpha
Helix 63
63
E
315 320Right-handed alpha
Helix 64
64
E
328 342Right-handed alpha
Helix 65
65
E
345 350Right-handed alpha
Helix 66
66
F
20 30Right-handed alpha
Helix 67
67
F
69 87Right-handed alpha
Helix 68
68
F
113 125Right-handed alpha
Helix 69
69
F
137 144Right-handed 310
Helix 70
70
F
153 165Right-handed alpha
Helix 71
71
F
167 170Right-handed 310
Helix 72
72
F
177 179Right-handed 310
Helix 73
73
F
180 192Right-handed alpha
Helix 74
74
F
262 274Right-handed alpha
Helix 75
75
F
292 300Right-handed alpha
Helix 76
76
F
313 320Right-handed alpha
Helix 77
77
F
328 342Right-handed alpha
Helix 78
78
F
345 350Right-handed alpha
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There are 21 sheets in PDB entry 2C4K. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD, CA, CB, CC, A, DB, C, DD, EA, EB, EC, FA, FB, FC,

There are 5 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
9 12first strand
Strand 2
A
60 63parallel
Strand 3
A
92 96parallel
Strand 4
A
129 133parallel
Strand 5
A
148 151parallel
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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
37 41first strand
Strand 2
A
47 51anti-parallel
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There are 6 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
243 244first strand
Strand 2
A
194 198anti-parallel
Strand 3
A
172 175parallel
Strand 4
A
250 255parallel
Strand 5
A
277 287parallel
Strand 6
A
258 259parallel
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There are 7 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
243 244first strand
Strand 2
A
194 198anti-parallel
Strand 3
A
172 175parallel
Strand 4
A
250 255parallel
Strand 5
A
277 287parallel
Strand 6
A
304 308parallel
Strand 7
A
323 326parallel
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There are 5 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
9 12first strand
Strand 2
B
60 63parallel
Strand 3
B
92 96parallel
Strand 4
B
129 133parallel
Strand 5
B
148 151parallel
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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
37 41first strand
Strand 2
B
47 51anti-parallel
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There are 6 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
243 244first strand
Strand 2
B
194 198anti-parallel
Strand 3
B
172 175parallel
Strand 4
B
250 255parallel
Strand 5
B
277 287parallel
Strand 6
B
258 259parallel
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There are 7 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
243 244first strand
Strand 2
B
194 198anti-parallel
Strand 3
B
172 175parallel
Strand 4
B
250 255parallel
Strand 5
B
277 287parallel
Strand 6
B
304 308parallel
Strand 7
B
323 326parallel
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There are 5 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
9 12first strand
Strand 2
C
60 63parallel
Strand 3
C
92 96parallel
Strand 4
C
129 133parallel
Strand 5
C
148 151parallel
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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
37 41first strand
Strand 2
C
47 51anti-parallel
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There are 7 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
243 244first strand
Strand 2
C
194 198anti-parallel
Strand 3
C
172 175parallel
Strand 4
C
250 255parallel
Strand 5
C
277 286parallel
Strand 6
C
304 308parallel
Strand 7
C
323 326parallel
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There are 5 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
9 12first strand
Strand 2
D
60 63parallel
Strand 3
D
92 96parallel
Strand 4
D
129 133parallel
Strand 5
D
148 151parallel
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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
37 41first strand
Strand 2
D
47 51anti-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
D
243 244first strand
Strand 2
D
194 198anti-parallel
Strand 3
D
172 175parallel
Strand 4
D
250 255parallel
Strand 5
D
277 287parallel
Strand 6
D
258 259parallel
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There are 7 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
243 244first strand
Strand 2
D
194 198anti-parallel
Strand 3
D
172 175parallel
Strand 4
D
250 255parallel
Strand 5
D
277 287parallel
Strand 6
D
304 308parallel
Strand 7
D
323 326parallel
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There are 5 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
9 12first strand
Strand 2
E
60 63parallel
Strand 3
E
92 96parallel
Strand 4
E
129 133parallel
Strand 5
E
148 151parallel
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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
37 41first strand
Strand 2
E
47 51anti-parallel
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There are 10 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
243 244first strand
Strand 2
E
194 198anti-parallel
Strand 3
E
172 175parallel
Strand 4
E
250 255parallel
Strand 5
E
277 287parallel
Strand 6
E
258 259parallel
Strand 7
E
277 287parallel
Strand 8
E
323 326first strand
Strand 9
E
304 308parallel
Strand 10
E
277 287parallel
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There are 5 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
9 12first strand
Strand 2
F
60 63parallel
Strand 3
F
92 96parallel
Strand 4
F
129 133parallel
Strand 5
F
148 151parallel
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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
37 41first strand
Strand 2
F
47 51anti-parallel
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There are 10 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
243 244first strand
Strand 2
F
194 198anti-parallel
Strand 3
F
172 175parallel
Strand 4
F
250 255parallel
Strand 5
F
277 287parallel
Strand 6
F
258 259parallel
Strand 7
F
277 287parallel
Strand 8
F
323 326first strand
Strand 9
F
304 308parallel
Strand 10
F
277 287parallel
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