Analysis of interatomic Contacts of Structural Units in PDB entry:
3ECD


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 3ECD entry

There are 4 chains in PDB entry 3ECD (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 3TYR 424
B
 ASN 3TYR 424
C
 ASN 3TYR 424
D
 ALA 4TYR 424
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 84 helices in PDB entry 3ECD. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
5 10Right-handed alpha
Helix 2
2
A
11 16Right-handed alpha
Helix 3
3
A
16 33Right-handed alpha
Helix 4
4
A
44 52Right-handed alpha
Helix 5
5
A
53 57Right-handed 310
Helix 6
6
A
76 91Right-handed alpha
Helix 7
7
A
101 114Right-handed alpha
Helix 8
8
A
159 171Right-handed alpha
Helix 9
9
A
187 198Right-handed alpha
Helix 10
10
A
209 215Right-handed alpha
Helix 11
11
A
220 224Right-handed 310
Helix 12
12
A
233 237Right-handed 310
Helix 13
13
A
248 260Right-handed alpha
Helix 14
14
A
268 283Right-handed alpha
Helix 15
15
A
284 308Right-handed alpha
Helix 16
16
A
314 316Right-handed 310
Helix 17
17
A
327 330Right-handed 310
Helix 18
18
A
332 343Right-handed alpha
Helix 19
19
A
369 375Right-handed alpha
Helix 20
20
A
378 399Right-handed alpha
Helix 21
21
A
403 420Right-handed alpha
Helix 22
22
B
5 10Right-handed alpha
Helix 23
23
B
11 16Right-handed alpha
Helix 24
24
B
16 33Right-handed alpha
Helix 25
25
B
44 52Right-handed alpha
Helix 26
26
B
53 57Right-handed 310
Helix 27
27
B
76 91Right-handed alpha
Helix 28
28
B
101 114Right-handed alpha
Helix 29
29
B
159 171Right-handed alpha
Helix 30
30
B
187 198Right-handed alpha
Helix 31
31
B
209 215Right-handed alpha
Helix 32
32
B
220 224Right-handed 310
Helix 33
33
B
233 237Right-handed 310
Helix 34
34
B
248 260Right-handed alpha
Helix 35
35
B
268 283Right-handed alpha
Helix 36
36
B
284 308Right-handed alpha
Helix 37
37
B
314 316Right-handed 310
Helix 38
38
B
327 330Right-handed 310
Helix 39
39
B
332 343Right-handed alpha
Helix 40
40
B
369 375Right-handed alpha
Helix 41
41
B
378 399Right-handed alpha
Helix 42
42
B
403 420Right-handed alpha
Helix 43
43
C
5 10Right-handed alpha
Helix 44
44
C
11 16Right-handed alpha
Helix 45
45
C
16 33Right-handed alpha
Helix 46
46
C
44 52Right-handed alpha
Helix 47
47
C
53 57Right-handed 310
Helix 48
48
C
76 90Right-handed alpha
Helix 49
49
C
101 114Right-handed alpha
Helix 50
50
C
159 171Right-handed alpha
Helix 51
51
C
187 198Right-handed alpha
Helix 52
52
C
209 215Right-handed alpha
Helix 53
53
C
220 224Right-handed 310
Helix 54
54
C
233 237Right-handed 310
Helix 55
55
C
248 259Right-handed alpha
Helix 56
56
C
268 283Right-handed alpha
Helix 57
57
C
284 308Right-handed alpha
Helix 58
58
C
314 316Right-handed 310
Helix 59
59
C
327 330Right-handed 310
Helix 60
60
C
332 343Right-handed alpha
Helix 61
61
C
369 375Right-handed alpha
Helix 62
62
C
378 397Right-handed alpha
Helix 63
63
C
403 420Right-handed alpha
Helix 64
64
D
5 10Right-handed alpha
Helix 65
65
D
11 16Right-handed alpha
Helix 66
66
D
16 33Right-handed alpha
Helix 67
67
D
44 52Right-handed alpha
Helix 68
68
D
53 57Right-handed 310
Helix 69
69
D
76 90Right-handed alpha
Helix 70
70
D
101 114Right-handed alpha
Helix 71
71
D
159 171Right-handed alpha
Helix 72
72
D
187 198Right-handed alpha
Helix 73
73
D
209 215Right-handed alpha
Helix 74
74
D
220 224Right-handed 310
Helix 75
75
D
233 237Right-handed 310
Helix 76
76
D
248 259Right-handed alpha
Helix 77
77
D
268 283Right-handed alpha
Helix 78
78
D
284 308Right-handed alpha
Helix 79
79
D
314 316Right-handed 310
Helix 80
80
D
327 330Right-handed 310
Helix 81
81
D
332 343Right-handed alpha
Helix 82
82
D
369 375Right-handed alpha
Helix 83
83
D
378 399Right-handed alpha
Helix 84
84
D
403 420Right-handed alpha
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There are 12 sheets in PDB entry 3ECD. 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 2 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 35first strand
Strand 2
A
345 346parallel
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There are 7 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
94 96first strand
Strand 2
A
242 246anti-parallel
Strand 3
A
227 231anti-parallel
Strand 4
A
201 205parallel
Strand 5
A
174 178parallel
Strand 6
A
119 123parallel
Strand 7
A
145 149parallel
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There are 4 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
311 312first strand
Strand 2
A
321 325anti-parallel
Strand 3
A
364 368anti-parallel
Strand 4
A
348 349anti-parallel
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There are 2 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 35first strand
Strand 2
B
345 346parallel
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There are 7 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
94 96first strand
Strand 2
B
242 246anti-parallel
Strand 3
B
227 231anti-parallel
Strand 4
B
201 205parallel
Strand 5
B
174 178parallel
Strand 6
B
119 123parallel
Strand 7
B
145 149parallel
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There are 4 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
311 312first strand
Strand 2
B
321 325anti-parallel
Strand 3
B
364 368anti-parallel
Strand 4
B
348 349anti-parallel
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There are 2 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 35first strand
Strand 2
C
345 346parallel
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There are 7 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
94 96first strand
Strand 2
C
242 246anti-parallel
Strand 3
C
227 231anti-parallel
Strand 4
C
201 205parallel
Strand 5
C
174 178parallel
Strand 6
C
119 123parallel
Strand 7
C
145 149parallel
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There are 4 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
311 312first strand
Strand 2
C
321 325anti-parallel
Strand 3
C
364 368anti-parallel
Strand 4
C
348 349anti-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
D
34 35first strand
Strand 2
D
345 346parallel
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There are 7 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
94 96first strand
Strand 2
D
242 246anti-parallel
Strand 3
D
227 231anti-parallel
Strand 4
D
201 205parallel
Strand 5
D
174 178parallel
Strand 6
D
119 123parallel
Strand 7
D
145 149parallel
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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
D
311 312first strand
Strand 2
D
321 325anti-parallel
Strand 3
D
364 368anti-parallel
Strand 4
D
348 349anti-parallel
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