Analysis of interatomic Contacts of Structural Units in PDB entry:
1C2O


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 1C2O entry

There are 4 chains in PDB entry 1C2O (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 5THR 543
B
 ASP 5THR 543
C
 ASP 5THR 543
D
 ASP 5THR 543
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 are100 helices in PDB entry 1C2O. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
42 46Right-handed 310
Helix 2
2
A
80 85Right-handed alpha
Helix 3
3
A
130 134Right-handed 310
Helix 4
4
A
135 141Right-handed alpha
Helix 5
5
A
153 159Right-handed alpha
Helix 6
6
A
170 187Right-handed alpha
Helix 7
7
A
188 190Right-handed 310
Helix 8
8
A
203 215Right-handed alpha
Helix 9
9
A
218 222Right-handed 310
Helix 10
10
A
240 255Right-handed alpha
Helix 11
11
A
265 274Right-handed alpha
Helix 12
12
A
277 285Right-handed alpha
Helix 13
13
A
286 288Right-handed 310
Helix 14
14
A
311 319Right-handed alpha
Helix 15
15
A
335 341Right-handed alpha
Helix 16
16
A
355 367Right-handed alpha
Helix 17
17
A
371 383Right-handed alpha
Helix 18
18
A
390 407Right-handed alpha
Helix 19
19
A
407 421Right-handed alpha
Helix 20
20
A
440 444Right-handed 310
Helix 21
21
A
450 456Right-handed alpha
Helix 22
22
A
457 460Right-handed 310
Helix 23
23
A
466 486Right-handed alpha
Helix 24
24
A
525 534Right-handed alpha
Helix 25
25
A
534 541Right-handed alpha
Helix 26
26
B
42 46Right-handed 310
Helix 27
27
B
80 85Right-handed alpha
Helix 28
28
B
130 134Right-handed 310
Helix 29
29
B
135 141Right-handed alpha
Helix 30
30
B
153 159Right-handed alpha
Helix 31
31
B
170 187Right-handed alpha
Helix 32
32
B
188 190Right-handed 310
Helix 33
33
B
203 215Right-handed alpha
Helix 34
34
B
218 222Right-handed 310
Helix 35
35
B
240 255Right-handed alpha
Helix 36
36
B
265 274Right-handed alpha
Helix 37
37
B
277 285Right-handed alpha
Helix 38
38
B
286 288Right-handed 310
Helix 39
39
B
311 319Right-handed alpha
Helix 40
40
B
335 341Right-handed alpha
Helix 41
41
B
355 367Right-handed alpha
Helix 42
42
B
371 383Right-handed alpha
Helix 43
43
B
390 407Right-handed alpha
Helix 44
44
B
407 421Right-handed alpha
Helix 45
45
B
440 444Right-handed 310
Helix 46
46
B
450 456Right-handed alpha
Helix 47
47
B
457 460Right-handed 310
Helix 48
48
B
466 486Right-handed alpha
Helix 49
49
B
525 534Right-handed alpha
Helix 50
50
B
534 541Right-handed alpha
Helix 51
51
C
42 46Right-handed 310
Helix 52
52
C
80 85Right-handed alpha
Helix 53
53
C
130 134Right-handed 310
Helix 54
54
C
135 141Right-handed alpha
Helix 55
55
C
153 159Right-handed alpha
Helix 56
56
C
170 187Right-handed alpha
Helix 57
57
C
188 190Right-handed 310
Helix 58
58
C
203 215Right-handed alpha
Helix 59
59
C
218 222Right-handed 310
Helix 60
60
C
240 255Right-handed alpha
Helix 61
61
C
265 274Right-handed alpha
Helix 62
62
C
277 285Right-handed alpha
Helix 63
63
C
286 288Right-handed 310
Helix 64
64
C
311 319Right-handed alpha
Helix 65
65
C
335 341Right-handed alpha
Helix 66
66
C
355 367Right-handed alpha
Helix 67
67
C
371 383Right-handed alpha
Helix 68
68
C
390 407Right-handed alpha
Helix 69
69
C
407 421Right-handed alpha
Helix 70
70
C
440 444Right-handed 310
Helix 71
71
C
450 456Right-handed alpha
Helix 72
72
C
457 460Right-handed 310
Helix 73
73
C
466 486Right-handed alpha
Helix 74
74
C
525 534Right-handed alpha
Helix 75
75
C
534 541Right-handed alpha
Helix 76
76
D
42 46Right-handed 310
Helix 77
77
D
80 85Right-handed alpha
Helix 78
78
D
130 134Right-handed 310
Helix 79
79
D
135 141Right-handed alpha
Helix 80
80
D
153 159Right-handed alpha
Helix 81
81
D
170 187Right-handed alpha
Helix 82
82
D
188 190Right-handed 310
Helix 83
83
D
203 215Right-handed alpha
Helix 84
84
D
218 222Right-handed 310
Helix 85
85
D
240 255Right-handed alpha
Helix 86
86
D
265 274Right-handed alpha
Helix 87
87
D
277 285Right-handed alpha
Helix 88
88
D
286 288Right-handed 310
Helix 89
89
D
311 319Right-handed alpha
Helix 90
90
D
335 341Right-handed alpha
Helix 91
91
D
355 367Right-handed alpha
Helix 92
92
D
371 383Right-handed alpha
Helix 93
93
D
390 407Right-handed alpha
Helix 94
94
D
407 421Right-handed alpha
Helix 95
95
D
440 444Right-handed 310
Helix 96
96
D
450 456Right-handed alpha
Helix 97
97
D
457 460Right-handed 310
Helix 98
98
D
466 486Right-handed alpha
Helix 99
99
D
525 534Right-handed alpha
Helix 100
100
D
534 541Right-handed alpha
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There are 16 sheets in PDB entry 1C2O. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P,

There are 3 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
9 12first strand
Strand 2
A
15 18anti-parallel
Strand 3
A
59 61parallel
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There are 2 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
38 39first strand
Strand 2
A
51 52anti-parallel
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There are 9 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
20 24first strand
Strand 2
A
27 31anti-parallel
Strand 3
A
98 104anti-parallel
Strand 4
A
145 149anti-parallel
Strand 5
A
112 118parallel
Strand 6
A
192 202parallel
Strand 7
A
224 228parallel
Strand 8
A
325 331parallel
Strand 9
A
424 426parallel
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There are 10 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
35 36first strand
Strand 2
A
98 104anti-parallel
Strand 3
A
145 149anti-parallel
Strand 4
A
112 118parallel
Strand 5
A
192 202parallel
Strand 6
A
224 228parallel
Strand 7
A
325 331parallel
Strand 8
A
428 430parallel
Strand 9
A
509 513parallel
Strand 10
A
521 522anti-parallel
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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
B
9 12first strand
Strand 2
B
15 18anti-parallel
Strand 3
B
59 61parallel
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There are 2 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
38 39first strand
Strand 2
B
51 52anti-parallel
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There are 9 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
20 24first strand
Strand 2
B
27 31anti-parallel
Strand 3
B
98 104anti-parallel
Strand 4
B
145 149anti-parallel
Strand 5
B
112 118parallel
Strand 6
B
192 202parallel
Strand 7
B
224 228parallel
Strand 8
B
325 331parallel
Strand 9
B
424 426parallel
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There are 10 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
35 36first strand
Strand 2
B
98 104anti-parallel
Strand 3
B
145 149anti-parallel
Strand 4
B
112 118parallel
Strand 5
B
192 202parallel
Strand 6
B
224 228parallel
Strand 7
B
325 331parallel
Strand 8
B
428 430parallel
Strand 9
B
509 513parallel
Strand 10
B
521 522anti-parallel
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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
C
9 12first strand
Strand 2
C
15 18anti-parallel
Strand 3
C
59 61parallel
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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
C
38 39first strand
Strand 2
C
51 52anti-parallel
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There are 9 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
20 24first strand
Strand 2
C
27 31anti-parallel
Strand 3
C
98 104anti-parallel
Strand 4
C
145 149anti-parallel
Strand 5
C
112 118parallel
Strand 6
C
192 202parallel
Strand 7
C
224 228parallel
Strand 8
C
325 331parallel
Strand 9
C
424 426parallel
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There are 10 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
35 36first strand
Strand 2
C
98 104anti-parallel
Strand 3
C
145 149anti-parallel
Strand 4
C
112 118parallel
Strand 5
C
192 202parallel
Strand 6
C
224 228parallel
Strand 7
C
325 331parallel
Strand 8
C
428 430parallel
Strand 9
C
509 513parallel
Strand 10
C
521 522anti-parallel
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There are 3 strands in M 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
15 18anti-parallel
Strand 3
D
59 61parallel
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There are 2 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
38 39first strand
Strand 2
D
51 52anti-parallel
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There are 9 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
20 24first strand
Strand 2
D
27 31anti-parallel
Strand 3
D
98 104anti-parallel
Strand 4
D
145 149anti-parallel
Strand 5
D
112 118parallel
Strand 6
D
192 202parallel
Strand 7
D
224 228parallel
Strand 8
D
325 331parallel
Strand 9
D
424 426parallel
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There are 10 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
35 36first strand
Strand 2
D
98 104anti-parallel
Strand 3
D
145 149anti-parallel
Strand 4
D
112 118parallel
Strand 5
D
192 202parallel
Strand 6
D
224 228parallel
Strand 7
D
325 331parallel
Strand 8
D
428 430parallel
Strand 9
D
509 513parallel
Strand 10
D
521 522anti-parallel
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