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


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 3ECS entry

There are 8 chains in PDB entry 3ECS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1ALA 307
B
 MSE 1ALA 307
C
 MSE 1ALA 307
D
 MSE 1ALA 307
E
 MSE 1ALA 307
F
 MSE 1ALA 308
G
 MSE 1ALA 307
H
 MSE 1ALA 307
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 are149 helices in PDB entry 3ECS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 17Right-handed alpha
Helix 2
2
A
21 35Right-handed alpha
Helix 3
3
A
43 55Right-handed alpha
Helix 4
4
A
62 76Right-handed alpha
Helix 5
5
A
91 105Right-handed alpha
Helix 6
6
A
106 116Right-handed alpha
Helix 7
7
A
117 119Right-handed 310
Helix 8
8
A
131 143Right-handed alpha
Helix 9
9
A
159 170Right-handed alpha
Helix 10
10
A
179 181Right-handed 310
Helix 11
11
A
182 187Right-handed alpha
Helix 12
12
A
188 190Right-handed 310
Helix 13
13
A
211 222Right-handed alpha
Helix 14
14
A
231 235Right-handed 310
Helix 15
15
A
242 246Right-handed 310
Helix 16
16
A
247 251Right-handed 310
Helix 17
17
A
277 281Right-handed 310
Helix 18
18
A
292 294Right-handed 310
Helix 19
19
A
295 305Right-handed alpha
Helix 20
20
B
2 16Right-handed alpha
Helix 21
21
B
21 36Right-handed alpha
Helix 22
22
B
45 59Right-handed alpha
Helix 23
23
B
62 75Right-handed alpha
Helix 24
24
B
91 104Right-handed alpha
Helix 25
25
B
106 116Right-handed alpha
Helix 26
26
B
117 119Right-handed 310
Helix 27
27
B
131 143Right-handed alpha
Helix 28
28
B
159 171Right-handed alpha
Helix 29
29
B
179 181Right-handed 310
Helix 30
30
B
182 188Right-handed alpha
Helix 31
31
B
211 222Right-handed alpha
Helix 32
32
B
231 235Right-handed 310
Helix 33
33
B
242 246Right-handed 310
Helix 34
34
B
247 252Right-handed alpha
Helix 35
35
B
277 281Right-handed 310
Helix 36
36
B
292 294Right-handed 310
Helix 37
37
B
295 306Right-handed alpha
Helix 38
38
C
2 17Right-handed alpha
Helix 39
39
C
21 37Right-handed alpha
Helix 40
40
C
38 40Right-handed 310
Helix 41
41
C
43 48Right-handed alpha
Helix 42
42
C
48 59Right-handed alpha
Helix 43
43
C
62 77Right-handed alpha
Helix 44
44
C
87 91Right-handed 310
Helix 45
45
C
92 104Right-handed alpha
Helix 46
46
C
106 114Right-handed alpha
Helix 47
47
C
115 119Right-handed 310
Helix 48
48
C
131 143Right-handed alpha
Helix 49
49
C
159 170Right-handed alpha
Helix 50
50
C
179 181Right-handed 310
Helix 51
51
C
182 187Right-handed alpha
Helix 52
52
C
188 190Right-handed 310
Helix 53
53
C
211 222Right-handed alpha
Helix 54
54
C
231 235Right-handed 310
Helix 55
55
C
242 246Right-handed 310
Helix 56
56
C
247 252Right-handed alpha
Helix 57
57
C
277 281Right-handed 310
Helix 58
58
C
292 294Right-handed 310
Helix 59
59
C
295 304Right-handed alpha
Helix 60
60
D
2 17Right-handed alpha
Helix 61
61
D
21 37Right-handed alpha
Helix 62
62
D
42 50Right-handed alpha
Helix 63
63
D
62 77Right-handed alpha
Helix 64
64
D
92 117Right-handed alpha
Helix 65
65
D
131 144Right-handed alpha
Helix 66
66
D
159 170Right-handed alpha
Helix 67
67
D
182 187Right-handed alpha
Helix 68
68
D
188 190Right-handed 310
Helix 69
69
D
211 222Right-handed alpha
Helix 70
70
D
231 235Right-handed 310
Helix 71
71
D
242 246Right-handed 310
Helix 72
72
D
247 252Right-handed alpha
Helix 73
73
D
277 281Right-handed 310
Helix 74
74
D
292 294Right-handed 310
Helix 75
75
D
295 306Right-handed alpha
Helix 76
76
E
2 17Right-handed alpha
Helix 77
77
E
21 36Right-handed alpha
Helix 78
78
E
42 50Right-handed alpha
Helix 79
79
E
62 76Right-handed alpha
Helix 80
80
E
91 104Right-handed alpha
Helix 81
81
E
106 115Right-handed alpha
Helix 82
82
E
131 143Right-handed alpha
Helix 83
83
E
159 170Right-handed alpha
Helix 84
84
E
179 181Right-handed 310
Helix 85
85
E
182 187Right-handed alpha
Helix 86
86
E
188 190Right-handed 310
Helix 87
87
E
211 222Right-handed alpha
Helix 88
88
E
231 235Right-handed 310
Helix 89
89
E
242 246Right-handed 310
Helix 90
90
E
247 252Right-handed alpha
Helix 91
91
E
277 281Right-handed 310
Helix 92
92
E
292 294Right-handed 310
Helix 93
93
E
295 305Right-handed alpha
Helix 94
94
F
2 16Right-handed alpha
Helix 95
95
F
21 36Right-handed alpha
Helix 96
96
F
42 58Right-handed alpha
Helix 97
97
F
62 75Right-handed alpha
Helix 98
98
F
92 116Right-handed alpha
Helix 99
99
F
117 119Right-handed 310
Helix 100
100
F
131 144Right-handed alpha
Helix 101
101
F
159 170Right-handed alpha
Helix 102
102
F
179 181Right-handed 310
Helix 103
103
F
182 187Right-handed alpha
Helix 104
104
F
188 190Right-handed 310
Helix 105
105
F
211 222Right-handed alpha
Helix 106
106
F
231 233Right-handed 310
Helix 107
107
F
242 246Right-handed 310
Helix 108
108
F
277 281Right-handed 310
Helix 109
109
F
292 294Right-handed 310
Helix 110
110
F
295 305Right-handed alpha
Helix 111
111
G
2 15Right-handed alpha
Helix 112
112
G
21 37Right-handed alpha
Helix 113
113
G
43 52Right-handed alpha
Helix 114
114
G
55 60Right-handed 310
Helix 115
115
G
62 75Right-handed alpha
Helix 116
116
G
92 104Right-handed alpha
Helix 117
117
G
106 116Right-handed alpha
Helix 118
118
G
131 143Right-handed alpha
Helix 119
119
G
159 170Right-handed alpha
Helix 120
120
G
179 181Right-handed 310
Helix 121
121
G
182 187Right-handed alpha
Helix 122
122
G
188 190Right-handed 310
Helix 123
123
G
211 222Right-handed alpha
Helix 124
124
G
231 235Right-handed 310
Helix 125
125
G
242 246Right-handed 310
Helix 126
126
G
247 252Right-handed alpha
Helix 127
127
G
277 281Right-handed 310
Helix 128
128
G
292 294Right-handed 310
Helix 129
129
G
295 305Right-handed alpha
Helix 130
130
H
2 16Right-handed alpha
Helix 131
131
H
21 37Right-handed alpha
Helix 132
132
H
45 50Right-handed alpha
Helix 133
133
H
62 76Right-handed alpha
Helix 134
134
H
87 91Right-handed 310
Helix 135
135
H
92 104Right-handed alpha
Helix 136
136
H
106 114Right-handed alpha
Helix 137
137
H
115 119Right-handed 310
Helix 138
138
H
131 144Right-handed alpha
Helix 139
139
H
159 170Right-handed alpha
Helix 140
140
H
179 181Right-handed 310
Helix 141
141
H
182 187Right-handed alpha
Helix 142
142
H
188 190Right-handed 310
Helix 143
143
H
211 222Right-handed alpha
Helix 144
144
H
231 235Right-handed 310
Helix 145
145
H
242 246Right-handed 310
Helix 146
146
H
247 252Right-handed alpha
Helix 147
147
H
277 281Right-handed 310
Helix 148
148
H
292 294Right-handed 310
Helix 149
149
H
295 305Right-handed alpha
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There are 16 sheets in PDB entry 3ECS. 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 8 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
289 291first strand
Strand 2
A
283 286anti-parallel
Strand 3
A
226 229parallel
Strand 4
A
192 196parallel
Strand 5
A
123 127parallel
Strand 6
A
148 153parallel
Strand 7
A
175 178parallel
Strand 8
C
266 268parallel
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There are 3 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
199 200first strand
Strand 2
A
206 209anti-parallel
Strand 3
A
273 276anti-parallel
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There are 7 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
175 178first strand
Strand 2
B
149 153parallel
Strand 3
B
124 127parallel
Strand 4
B
192 196parallel
Strand 5
B
226 229parallel
Strand 6
B
283 286parallel
Strand 7
B
289 291anti-parallel
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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
B
199 200first strand
Strand 2
B
206 209anti-parallel
Strand 3
B
273 276anti-parallel
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There are 8 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
267 268first strand
Strand 2
H
175 178parallel
Strand 3
H
149 153parallel
Strand 4
H
124 128parallel
Strand 5
H
192 196parallel
Strand 6
H
226 229parallel
Strand 7
H
283 286parallel
Strand 8
H
289 291anti-parallel
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There are 7 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
175 178first strand
Strand 2
C
149 153parallel
Strand 3
C
124 128parallel
Strand 4
C
192 195parallel
Strand 5
C
226 229parallel
Strand 6
C
283 286parallel
Strand 7
C
289 291anti-parallel
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There are 3 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
199 200first strand
Strand 2
C
206 209anti-parallel
Strand 3
C
273 276anti-parallel
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There are 8 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
289 291first strand
Strand 2
D
283 286anti-parallel
Strand 3
D
226 229parallel
Strand 4
D
192 195parallel
Strand 5
D
124 127parallel
Strand 6
D
149 153parallel
Strand 7
D
175 178parallel
Strand 8
E
266 269parallel
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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
D
199 200first strand
Strand 2
D
206 209anti-parallel
Strand 3
D
273 276anti-parallel
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There are 8 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
265 266first strand
Strand 2
E
175 178parallel
Strand 3
E
149 153parallel
Strand 4
E
124 128parallel
Strand 5
E
192 195parallel
Strand 6
E
226 229parallel
Strand 7
E
283 286parallel
Strand 8
E
289 291anti-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
E
199 200first strand
Strand 2
E
206 209anti-parallel
Strand 3
E
273 276anti-parallel
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There are 8 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
289 291first strand
Strand 2
F
283 286anti-parallel
Strand 3
F
226 229parallel
Strand 4
F
192 195parallel
Strand 5
F
124 128parallel
Strand 6
F
149 153parallel
Strand 7
F
175 178parallel
Strand 8
G
267 268parallel
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There are 4 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
235 236first strand
Strand 2
F
199 201parallel
Strand 3
F
206 209anti-parallel
Strand 4
F
273 276anti-parallel
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There are 8 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
267 268first strand
Strand 2
G
175 178parallel
Strand 3
G
149 153parallel
Strand 4
G
124 128parallel
Strand 5
G
192 196parallel
Strand 6
G
226 229parallel
Strand 7
G
283 286parallel
Strand 8
G
289 291anti-parallel
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There are 3 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
199 200first strand
Strand 2
G
206 209anti-parallel
Strand 3
G
273 276anti-parallel
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There are 3 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
199 200first strand
Strand 2
H
206 209anti-parallel
Strand 3
H
273 276anti-parallel
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