Analysis of interatomic Contacts of Structural Units in PDB entry:
3IA2


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 3IA2 entry

There are 6 chains in PDB entry 3IA2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 1ARG 271
B
 SER 1ARG 271
C
 SER 1ARG 271
D
 SER 1ARG 271
E
 SER 1ARG 271
F
 SER 1ARG 271
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 78 helices in PDB entry 3IA2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
31 34Right-handed 310
Helix 2
2
A
35 44Right-handed alpha
Helix 3
3
A
68 84Right-handed alpha
Helix 4
4
A
95 108Right-handed alpha
Helix 5
5
A
136 164Right-handed alpha
Helix 6
6
A
165 168Right-handed 310
Helix 7
7
A
172 186Right-handed alpha
Helix 8
8
A
187 201Right-handed alpha
Helix 9
9
A
203 208Right-handed alpha
Helix 10
10
A
226 229Right-handed 310
Helix 11
11
A
230 238Right-handed alpha
Helix 12
12
A
252 257Right-handed alpha
Helix 13
13
A
257 270Right-handed alpha
Helix 14
14
B
31 34Right-handed 310
Helix 15
15
B
35 44Right-handed alpha
Helix 16
16
B
68 83Right-handed alpha
Helix 17
17
B
95 108Right-handed alpha
Helix 18
18
B
136 164Right-handed alpha
Helix 19
19
B
165 168Right-handed 310
Helix 20
20
B
172 186Right-handed alpha
Helix 21
21
B
187 201Right-handed alpha
Helix 22
22
B
203 208Right-handed alpha
Helix 23
23
B
226 229Right-handed 310
Helix 24
24
B
230 238Right-handed alpha
Helix 25
25
B
252 257Right-handed alpha
Helix 26
26
B
257 270Right-handed alpha
Helix 27
27
C
31 34Right-handed 310
Helix 28
28
C
35 44Right-handed alpha
Helix 29
29
C
68 84Right-handed alpha
Helix 30
30
C
95 108Right-handed alpha
Helix 31
31
C
136 164Right-handed alpha
Helix 32
32
C
165 168Right-handed 310
Helix 33
33
C
172 186Right-handed alpha
Helix 34
34
C
187 201Right-handed alpha
Helix 35
35
C
203 209Right-handed alpha
Helix 36
36
C
226 229Right-handed 310
Helix 37
37
C
230 238Right-handed alpha
Helix 38
38
C
252 257Right-handed alpha
Helix 39
39
C
257 271Right-handed alpha
Helix 40
40
D
31 34Right-handed 310
Helix 41
41
D
35 44Right-handed alpha
Helix 42
42
D
68 84Right-handed alpha
Helix 43
43
D
95 108Right-handed alpha
Helix 44
44
D
136 164Right-handed alpha
Helix 45
45
D
165 168Right-handed 310
Helix 46
46
D
172 186Right-handed alpha
Helix 47
47
D
187 201Right-handed alpha
Helix 48
48
D
203 209Right-handed alpha
Helix 49
49
D
226 229Right-handed 310
Helix 50
50
D
230 238Right-handed alpha
Helix 51
51
D
252 257Right-handed alpha
Helix 52
52
D
257 270Right-handed alpha
Helix 53
53
E
31 34Right-handed 310
Helix 54
54
E
35 44Right-handed alpha
Helix 55
55
E
68 84Right-handed alpha
Helix 56
56
E
95 108Right-handed alpha
Helix 57
57
E
136 164Right-handed alpha
Helix 58
58
E
165 168Right-handed 310
Helix 59
59
E
172 186Right-handed alpha
Helix 60
60
E
187 201Right-handed alpha
Helix 61
61
E
203 210Right-handed alpha
Helix 62
62
E
226 229Right-handed 310
Helix 63
63
E
230 238Right-handed alpha
Helix 64
64
E
252 257Right-handed alpha
Helix 65
65
E
257 271Right-handed alpha
Helix 66
66
F
31 34Right-handed 310
Helix 67
67
F
35 44Right-handed alpha
Helix 68
68
F
68 84Right-handed alpha
Helix 69
69
F
95 108Right-handed alpha
Helix 70
70
F
136 164Right-handed alpha
Helix 71
71
F
165 168Right-handed 310
Helix 72
72
F
172 186Right-handed alpha
Helix 73
73
F
187 201Right-handed alpha
Helix 74
74
F
203 209Right-handed alpha
Helix 75
75
F
226 229Right-handed 310
Helix 76
76
F
230 238Right-handed alpha
Helix 77
77
F
252 257Right-handed alpha
Helix 78
78
F
257 270Right-handed alpha
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There are 6 sheets in PDB entry 3IA2. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
2 4first strand
Strand 2
A
10 16anti-parallel
Strand 3
A
48 52anti-parallel
Strand 4
A
21 25parallel
Strand 5
A
88 93parallel
Strand 6
A
112 118parallel
Strand 7
A
214 219parallel
Strand 8
A
242 246parallel
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There are 8 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
2 4first strand
Strand 2
B
10 16anti-parallel
Strand 3
B
48 52anti-parallel
Strand 4
B
21 25parallel
Strand 5
B
88 93parallel
Strand 6
B
112 118parallel
Strand 7
B
214 219parallel
Strand 8
B
242 246parallel
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There are 8 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
2 4first strand
Strand 2
C
10 16anti-parallel
Strand 3
C
48 52anti-parallel
Strand 4
C
21 25parallel
Strand 5
C
88 93parallel
Strand 6
C
112 118parallel
Strand 7
C
214 219parallel
Strand 8
C
242 246parallel
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There are 8 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
2 4first strand
Strand 2
D
10 16anti-parallel
Strand 3
D
48 52anti-parallel
Strand 4
D
21 25parallel
Strand 5
D
88 93parallel
Strand 6
D
112 118parallel
Strand 7
D
214 219parallel
Strand 8
D
242 246parallel
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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
E
2 4first strand
Strand 2
E
10 16anti-parallel
Strand 3
E
48 52anti-parallel
Strand 4
E
21 25parallel
Strand 5
E
88 93parallel
Strand 6
E
112 118parallel
Strand 7
E
214 219parallel
Strand 8
E
242 246parallel
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There are 8 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
2 4first strand
Strand 2
F
10 16anti-parallel
Strand 3
F
48 52anti-parallel
Strand 4
F
21 25parallel
Strand 5
F
88 93parallel
Strand 6
F
112 118parallel
Strand 7
F
214 219parallel
Strand 8
F
242 246parallel
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