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


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 1COW entry

There are 7 chains in PDB entry 1COW (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 24ALA 510
B
 ASP 24ALA 510
C
 ALA 19ALA 510
D
 THR 9GLU 475
E
 THR 9ALA 474
F
 THR 9ALA 474
G
 ALA 1LEU 272
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 are119 helices in PDB entry 1COW. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
79 81Right-handed 310
Helix 2
2
A
101 103Right-handed 310
Helix 3
3
A
151 156Right-handed alpha
Helix 4
4
A
175 190Right-handed alpha
Helix 5
5
A
210 222Right-handed alpha
Helix 6
6
A
226 228Right-handed 310
Helix 7
7
A
240 259Right-handed alpha
Helix 8
8
A
271 284Right-handed alpha
Helix 9
9
A
291 293Right-handed 310
Helix 10
10
A
298 307Right-handed alpha
Helix 11
11
A
314 316Right-handed 310
Helix 12
12
A
337 345Right-handed alpha
Helix 13
13
A
354 359Right-handed alpha
Helix 14
14
A
375 378Right-handed 310
Helix 15
15
A
381 406Right-handed alpha
Helix 16
16
A
412 427Right-handed alpha
Helix 17
17
A
438 449Right-handed alpha
Helix 18
18
A
452 455Right-handed 310
Helix 19
19
A
458 474Right-handed alpha
Helix 20
20
A
477 486Right-handed alpha
Helix 21
21
A
491 508Right-handed alpha
Helix 22
22
B
101 103Right-handed 310
Helix 23
23
B
151 156Right-handed alpha
Helix 24
24
B
176 190Right-handed alpha
Helix 25
25
B
195 197Right-handed 310
Helix 26
26
B
210 222Right-handed alpha
Helix 27
27
B
226 228Right-handed 310
Helix 28
28
B
240 260Right-handed alpha
Helix 29
29
B
271 285Right-handed alpha
Helix 30
30
B
291 293Right-handed 310
Helix 31
31
B
298 307Right-handed alpha
Helix 32
32
B
314 316Right-handed 310
Helix 33
33
B
337 343Right-handed alpha
Helix 34
34
B
354 358Right-handed alpha
Helix 35
35
B
381 400Right-handed alpha
Helix 36
36
B
412 427Right-handed alpha
Helix 37
37
B
438 450Right-handed alpha
Helix 38
38
B
458 474Right-handed alpha
Helix 39
39
B
477 486Right-handed alpha
Helix 40
40
B
491 507Right-handed alpha
Helix 41
41
C
79 81Right-handed 310
Helix 42
42
C
101 103Right-handed 310
Helix 43
43
C
151 156Right-handed alpha
Helix 44
44
C
175 190Right-handed alpha
Helix 45
45
C
210 222Right-handed alpha
Helix 46
46
C
226 228Right-handed 310
Helix 47
47
C
240 260Right-handed alpha
Helix 48
48
C
271 285Right-handed alpha
Helix 49
49
C
291 293Right-handed 310
Helix 50
50
C
298 308Right-handed alpha
Helix 51
51
C
314 316Right-handed 310
Helix 52
52
C
337 343Right-handed alpha
Helix 53
53
C
354 359Right-handed alpha
Helix 54
54
C
375 378Right-handed 310
Helix 55
55
C
381 387Right-handed alpha
Helix 56
56
C
390 403Right-handed alpha
Helix 57
57
C
413 427Right-handed alpha
Helix 58
58
C
438 449Right-handed alpha
Helix 59
59
C
458 474Right-handed alpha
Helix 60
60
C
477 486Right-handed alpha
Helix 61
61
C
491 508Right-handed alpha
Helix 62
62
D
88 90Right-handed 310
Helix 63
63
D
123 125Right-handed 310
Helix 64
64
D
138 144Right-handed alpha
Helix 65
65
D
162 172Right-handed alpha
Helix 66
66
D
190 202Right-handed alpha
Helix 67
67
D
226 245Right-handed alpha
Helix 68
68
D
258 272Right-handed 310
Helix 69
69
D
278 280Right-handed 310
Helix 70
70
D
285 293Right-handed alpha
Helix 71
71
D
313 315Right-handed 310
Helix 72
72
D
320 328Right-handed alpha
Helix 73
73
D
337 342Right-handed alpha
Helix 74
74
D
360 363Right-handed alpha
Helix 75
75
D
365 391Right-handed alpha
Helix 76
76
D
398 413Right-handed alpha
Helix 77
77
D
422 425Right-handed alpha
Helix 78
78
D
434 445Right-handed alpha
Helix 79
79
D
454 457Right-handed 310
Helix 80
80
D
463 474Right-handed alpha
Helix 81
81
E
88 90Right-handed 310
Helix 82
82
E
138 143Right-handed alpha
Helix 83
83
E
162 177Right-handed alpha
Helix 84
84
E
190 203Right-handed alpha
Helix 85
85
E
226 245Right-handed alpha
Helix 86
86
E
258 272Right-handed alpha
Helix 87
87
E
278 280Right-handed 310
Helix 88
88
E
285 295Right-handed alpha
Helix 89
89
E
313 315Right-handed 310
Helix 90
90
E
320 327Right-handed alpha
Helix 91
91
E
337 342Right-handed alpha
Helix 92
92
E
360 391Right-handed alpha
Helix 93
93
E
400 413Right-handed alpha
Helix 94
94
E
419 422Right-handed 310
Helix 95
95
E
434 446Right-handed alpha
Helix 96
96
E
454 456Right-handed 310
Helix 97
97
E
463 471Right-handed alpha
Helix 98
98
F
88 90Right-handed 310
Helix 99
99
F
123 125Right-handed 310
Helix 100
100
F
138 143Right-handed alpha
Helix 101
101
F
162 172Right-handed alpha
Helix 102
102
F
190 202Right-handed alpha
Helix 103
103
F
226 246Right-handed alpha
Helix 104
104
F
259 269Right-handed alpha
Helix 105
105
F
278 280Right-handed 310
Helix 106
106
F
285 295Right-handed alpha
Helix 107
107
F
313 315Right-handed 310
Helix 108
108
F
320 328Right-handed alpha
Helix 109
109
F
337 342Right-handed alpha
Helix 110
110
F
360 391Right-handed alpha
Helix 111
111
F
398 413Right-handed alpha
Helix 112
112
F
419 425Right-handed 310
Helix 113
113
F
434 445Right-handed alpha
Helix 114
114
F
454 456Right-handed 310
Helix 115
115
F
463 473Right-handed alpha
Helix 116
116
G
3 42Right-handed alpha
Helix 117
117
G
81 89Right-handed alpha
Helix 118
118
G
213 220Right-handed alpha
Helix 119
119
G
222 270Right-handed alpha
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There are 22 sheets in PDB entry 1COW. 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, Q, R, S, T, U, V,

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
A
28 30first strand
Strand 2
A
87 90anti-parallel
Strand 3
A
52 55anti-parallel
Strand 4
A
60 67anti-parallel
Strand 5
A
70 75anti-parallel
Strand 6
A
38 43anti-parallel
Strand 7
A
29 35anti-parallel
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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
96 98first strand
Strand 2
A
126 128anti-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
106 108first strand
Strand 2
A
229 234parallel
Strand 3
A
199 206parallel
Strand 4
A
263 269parallel
Strand 5
A
320 325parallel
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There are 3 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
349 351first strand
Strand 2
A
166 169parallel
Strand 3
A
326 328parallel
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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
87 89first strand
Strand 2
B
28 33anti-parallel
Strand 3
B
38 43anti-parallel
Strand 4
B
70 75anti-parallel
Strand 5
B
60 67anti-parallel
Strand 6
B
52 54anti-parallel
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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
96 99first strand
Strand 2
B
125 128anti-parallel
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There are 5 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
107 109first strand
Strand 2
B
229 234parallel
Strand 3
B
200 206parallel
Strand 4
B
263 269parallel
Strand 5
B
320 325parallel
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There are 3 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
349 351first strand
Strand 2
B
166 169parallel
Strand 3
B
326 328parallel
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There are 7 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
28 30first strand
Strand 2
C
87 90anti-parallel
Strand 3
C
52 55anti-parallel
Strand 4
C
60 66anti-parallel
Strand 5
C
71 75anti-parallel
Strand 6
C
38 41anti-parallel
Strand 7
C
31 35anti-parallel
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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
96 99first strand
Strand 2
C
125 128anti-parallel
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There are 3 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
349 352first strand
Strand 2
C
166 169parallel
Strand 3
C
326 328parallel
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There are 4 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
229 234first strand
Strand 2
C
200 206parallel
Strand 3
C
263 269parallel
Strand 4
C
320 325parallel
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There are 7 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
74 76first strand
Strand 2
D
10 17anti-parallel
Strand 3
D
20 25anti-parallel
Strand 4
D
57 62anti-parallel
Strand 5
D
46 52anti-parallel
Strand 6
D
34 38anti-parallel
Strand 7
D
75 81anti-parallel
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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
83 86first strand
Strand 2
D
112 115anti-parallel
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There are 6 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
331 334first strand
Strand 2
D
151 156parallel
Strand 3
D
303 311parallel
Strand 4
D
250 256parallel
Strand 5
D
181 186parallel
Strand 6
D
216 220parallel
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There are 7 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
74 76first strand
Strand 2
E
10 16anti-parallel
Strand 3
E
20 24anti-parallel
Strand 4
E
57 62anti-parallel
Strand 5
E
46 52anti-parallel
Strand 6
E
35 38anti-parallel
Strand 7
E
75 80anti-parallel
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There are 2 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
83 86first strand
Strand 2
E
112 115anti-parallel
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There are 6 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
331 334first strand
Strand 2
E
151 155parallel
Strand 3
E
303 309parallel
Strand 4
E
250 256parallel
Strand 5
E
181 188parallel
Strand 6
E
215 221parallel
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There are 7 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
10 12first strand
Strand 2
F
74 77anti-parallel
Strand 3
F
35 38anti-parallel
Strand 4
F
46 52anti-parallel
Strand 5
F
57 62anti-parallel
Strand 6
F
20 25anti-parallel
Strand 7
F
11 17anti-parallel
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There are 2 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
83 86first strand
Strand 2
F
112 115anti-parallel
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There are 2 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
131 133first strand
Strand 2
F
146 148anti-parallel
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There are 6 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
331 334first strand
Strand 2
F
151 156parallel
Strand 3
F
303 311parallel
Strand 4
F
250 256parallel
Strand 5
F
180 186parallel
Strand 6
F
215 220parallel
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