Analysis of interatomic Contacts of Structural Units in PDB entry:
1CT9


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 1CT9 entry

There are 4 chains in PDB entry 1CT9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1GLY 516
B
 ALA 1GLY 516
C
 ALA 1GLY 516
D
 ALA 1GLY 516
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 are113 helices in PDB entry 1CT9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 26Right-handed alpha
Helix 2
2
A
27 31Right-handed 310
Helix 3
3
A
79 88Right-handed alpha
Helix 4
4
A
97 99Right-handed 310
Helix 5
5
A
100 110Right-handed alpha
Helix 6
6
A
113 117Right-handed 310
Helix 7
7
A
160 164Right-handed 310
Helix 8
8
A
193 196Right-handed 310
Helix 9
9
A
197 202Right-handed alpha
Helix 10
10
A
207 223Right-handed alpha
Helix 11
11
A
236 250Right-handed alpha
Helix 12
12
A
277 291Right-handed alpha
Helix 13
13
A
300 316Right-handed alpha
Helix 14
14
A
319 339Right-handed alpha
Helix 15
15
A
349 355Right-handed alpha
Helix 16
16
A
357 363Right-handed 310
Helix 17
17
A
365 380Right-handed alpha
Helix 18
18
A
383 394Right-handed alpha
Helix 19
19
A
401 404Right-handed 310
Helix 20
20
A
405 415Right-handed alpha
Helix 21
21
A
416 420Right-handed 310
Helix 22
22
A
429 437Right-handed alpha
Helix 23
23
A
438 440Right-handed 310
Helix 24
24
A
441 446Right-handed alpha
Helix 25
25
A
458 472Right-handed alpha
Helix 26
26
A
473 479Right-handed alpha
Helix 27
27
A
479 484Right-handed alpha
Helix 28
28
A
491 505Right-handed alpha
Helix 29
29
A
507 514Right-handed alpha
Helix 30
30
B
12 26Right-handed alpha
Helix 31
31
B
27 31Right-handed 310
Helix 32
32
B
79 89Right-handed alpha
Helix 33
33
B
97 99Right-handed 310
Helix 34
34
B
100 110Right-handed alpha
Helix 35
35
B
111 117Right-handed 310
Helix 36
36
B
160 164Right-handed 310
Helix 37
37
B
193 196Right-handed 310
Helix 38
38
B
197 202Right-handed alpha
Helix 39
39
B
207 222Right-handed alpha
Helix 40
40
B
236 250Right-handed alpha
Helix 41
41
B
277 291Right-handed alpha
Helix 42
42
B
300 306Right-handed alpha
Helix 43
43
B
307 316Right-handed alpha
Helix 44
44
B
319 339Right-handed alpha
Helix 45
45
B
349 355Right-handed alpha
Helix 46
46
B
357 363Right-handed 310
Helix 47
47
B
365 379Right-handed alpha
Helix 48
48
B
383 394Right-handed alpha
Helix 49
49
B
401 404Right-handed 310
Helix 50
50
B
405 413Right-handed alpha
Helix 51
51
B
416 421Right-handed 310
Helix 52
52
B
429 437Right-handed alpha
Helix 53
53
B
441 446Right-handed alpha
Helix 54
54
B
458 472Right-handed alpha
Helix 55
55
B
473 479Right-handed alpha
Helix 56
56
B
479 484Right-handed alpha
Helix 57
57
B
491 505Right-handed alpha
Helix 58
58
B
507 512Right-handed alpha
Helix 59
59
C
12 26Right-handed alpha
Helix 60
60
C
27 31Right-handed 310
Helix 61
61
C
79 88Right-handed alpha
Helix 62
62
C
97 99Right-handed 310
Helix 63
63
C
100 110Right-handed alpha
Helix 64
64
C
113 117Right-handed 310
Helix 65
65
C
160 164Right-handed 310
Helix 66
66
C
193 197Right-handed 310
Helix 67
67
C
197 201Right-handed 310
Helix 68
68
C
207 222Right-handed alpha
Helix 69
69
C
236 250Right-handed alpha
Helix 70
70
C
277 291Right-handed alpha
Helix 71
71
C
300 316Right-handed alpha
Helix 72
72
C
319 339Right-handed alpha
Helix 73
73
C
349 355Right-handed alpha
Helix 74
74
C
357 361Right-handed 310
Helix 75
75
C
365 380Right-handed alpha
Helix 76
76
C
383 394Right-handed alpha
Helix 77
77
C
401 404Right-handed 310
Helix 78
78
C
405 413Right-handed alpha
Helix 79
79
C
416 421Right-handed 310
Helix 80
80
C
429 437Right-handed alpha
Helix 81
81
C
441 446Right-handed alpha
Helix 82
82
C
457 472Right-handed alpha
Helix 83
83
C
473 484Right-handed alpha
Helix 84
84
C
491 505Right-handed alpha
Helix 85
85
C
507 512Right-handed alpha
Helix 86
86
D
12 26Right-handed alpha
Helix 87
87
D
27 31Right-handed 310
Helix 88
88
D
79 88Right-handed alpha
Helix 89
89
D
99 110Right-handed alpha
Helix 90
90
D
113 117Right-handed 310
Helix 91
91
D
160 164Right-handed 310
Helix 92
92
D
193 197Right-handed 310
Helix 93
93
D
197 201Right-handed 310
Helix 94
94
D
207 222Right-handed alpha
Helix 95
95
D
236 250Right-handed alpha
Helix 96
96
D
277 291Right-handed alpha
Helix 97
97
D
300 316Right-handed alpha
Helix 98
98
D
319 340Right-handed alpha
Helix 99
99
D
349 355Right-handed alpha
Helix 100
100
D
357 363Right-handed 310
Helix 101
101
D
365 380Right-handed alpha
Helix 102
102
D
383 394Right-handed alpha
Helix 103
103
D
401 404Right-handed 310
Helix 104
104
D
405 415Right-handed alpha
Helix 105
105
D
416 421Right-handed 310
Helix 106
106
D
429 437Right-handed alpha
Helix 107
107
D
438 440Right-handed 310
Helix 108
108
D
441 447Right-handed alpha
Helix 109
109
D
457 472Right-handed alpha
Helix 110
110
D
473 479Right-handed alpha
Helix 111
111
D
479 484Right-handed alpha
Helix 112
112
D
491 505Right-handed alpha
Helix 113
113
D
507 514Right-handed alpha
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There are 12 sheets in PDB entry 1CT9. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 6 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
34 39first strand
Strand 2
A
43 49anti-parallel
Strand 3
A
2 7anti-parallel
Strand 4
A
155 158anti-parallel
Strand 5
A
146 149anti-parallel
Strand 6
A
170 173anti-parallel
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There are 6 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
62 63first strand
Strand 2
A
69 77anti-parallel
Strand 3
A
119 127anti-parallel
Strand 4
A
132 137anti-parallel
Strand 5
A
178 181anti-parallel
Strand 6
A
187 189anti-parallel
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There are 5 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
293 298first strand
Strand 2
A
268 273parallel
Strand 3
A
229 232parallel
Strand 4
A
343 345parallel
Strand 5
A
398 400parallel
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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
34 39first strand
Strand 2
B
43 49anti-parallel
Strand 3
B
2 7anti-parallel
Strand 4
B
155 158anti-parallel
Strand 5
B
146 149anti-parallel
Strand 6
B
170 173anti-parallel
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There are 6 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
62 63first strand
Strand 2
B
69 77anti-parallel
Strand 3
B
119 127anti-parallel
Strand 4
B
132 137anti-parallel
Strand 5
B
178 181anti-parallel
Strand 6
B
187 189anti-parallel
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There are 5 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
293 298first strand
Strand 2
B
268 273parallel
Strand 3
B
229 232parallel
Strand 4
B
343 345parallel
Strand 5
B
398 400parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
34 39first strand
Strand 2
C
43 49anti-parallel
Strand 3
C
2 7anti-parallel
Strand 4
C
155 158anti-parallel
Strand 5
C
146 149anti-parallel
Strand 6
C
170 173anti-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
C
62 63first strand
Strand 2
C
69 77anti-parallel
Strand 3
C
119 127anti-parallel
Strand 4
C
132 137anti-parallel
Strand 5
C
178 181anti-parallel
Strand 6
C
187 189anti-parallel
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There are 5 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
293 298first strand
Strand 2
C
268 273parallel
Strand 3
C
229 232parallel
Strand 4
C
343 345parallel
Strand 5
C
398 400parallel
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There are 6 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
34 39first strand
Strand 2
D
43 49anti-parallel
Strand 3
D
2 7anti-parallel
Strand 4
D
155 158anti-parallel
Strand 5
D
146 149anti-parallel
Strand 6
D
170 173anti-parallel
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There are 6 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
62 63first strand
Strand 2
D
69 77anti-parallel
Strand 3
D
119 127anti-parallel
Strand 4
D
132 137anti-parallel
Strand 5
D
178 181anti-parallel
Strand 6
D
187 189anti-parallel
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There are 5 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
293 298first strand
Strand 2
D
268 273parallel
Strand 3
D
229 232parallel
Strand 4
D
343 345parallel
Strand 5
D
398 400parallel
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