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


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 3ISA entry

There are 6 chains in PDB entry 3ISA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 5GLN 244
B
 ALA 6GLN 244
C
 SER 7PRO 245
D
 SER 5ALA 246
E
 SER 7PRO 245
F
 LEU 4PRO 245
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 80 helices in PDB entry 3ISA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 29Right-handed 310
Helix 2
2
A
33 50Right-handed alpha
Helix 3
3
A
77 97Right-handed alpha
Helix 4
4
A
112 121Right-handed alpha
Helix 5
5
A
135 140Right-handed 310
Helix 6
6
A
144 153Right-handed alpha
Helix 7
7
A
153 162Right-handed alpha
Helix 8
8
A
169 175Right-handed alpha
Helix 9
9
A
183 185Right-handed 310
Helix 10
10
A
186 199Right-handed alpha
Helix 11
11
A
202 214Right-handed alpha
Helix 12
12
A
217 231Right-handed alpha
Helix 13
13
A
233 244Right-handed alpha
Helix 14
14
B
33 51Right-handed alpha
Helix 15
15
B
72 76Right-handed 310
Helix 16
16
B
77 97Right-handed alpha
Helix 17
17
B
112 120Right-handed alpha
Helix 18
18
B
135 140Right-handed 310
Helix 19
19
B
144 153Right-handed alpha
Helix 20
20
B
153 162Right-handed alpha
Helix 21
21
B
169 175Right-handed alpha
Helix 22
22
B
183 185Right-handed 310
Helix 23
23
B
186 199Right-handed alpha
Helix 24
24
B
202 214Right-handed alpha
Helix 25
25
B
217 231Right-handed alpha
Helix 26
26
B
233 244Right-handed alpha
Helix 27
27
C
25 29Right-handed 310
Helix 28
28
C
33 51Right-handed alpha
Helix 29
29
C
72 76Right-handed 310
Helix 30
30
C
77 97Right-handed alpha
Helix 31
31
C
112 121Right-handed alpha
Helix 32
32
C
135 140Right-handed 310
Helix 33
33
C
144 163Right-handed alpha
Helix 34
34
C
169 175Right-handed alpha
Helix 35
35
C
183 185Right-handed 310
Helix 36
36
C
186 199Right-handed alpha
Helix 37
37
C
202 214Right-handed alpha
Helix 38
38
C
217 230Right-handed alpha
Helix 39
39
C
233 243Right-handed alpha
Helix 40
40
D
33 50Right-handed alpha
Helix 41
41
D
72 76Right-handed 310
Helix 42
42
D
77 97Right-handed alpha
Helix 43
43
D
112 121Right-handed alpha
Helix 44
44
D
135 140Right-handed 310
Helix 45
45
D
144 153Right-handed alpha
Helix 46
46
D
153 163Right-handed alpha
Helix 47
47
D
169 175Right-handed alpha
Helix 48
48
D
183 185Right-handed 310
Helix 49
49
D
186 199Right-handed alpha
Helix 50
50
D
202 214Right-handed alpha
Helix 51
51
D
217 231Right-handed alpha
Helix 52
52
D
233 243Right-handed alpha
Helix 53
53
E
25 29Right-handed 310
Helix 54
54
E
33 51Right-handed alpha
Helix 55
55
E
72 76Right-handed 310
Helix 56
56
E
77 97Right-handed alpha
Helix 57
57
E
112 121Right-handed alpha
Helix 58
58
E
135 140Right-handed 310
Helix 59
59
E
144 153Right-handed alpha
Helix 60
60
E
153 162Right-handed alpha
Helix 61
61
E
169 175Right-handed alpha
Helix 62
62
E
183 185Right-handed 310
Helix 63
63
E
186 200Right-handed alpha
Helix 64
64
E
202 214Right-handed alpha
Helix 65
65
E
217 231Right-handed alpha
Helix 66
66
E
233 244Right-handed alpha
Helix 67
67
F
25 29Right-handed 310
Helix 68
68
F
33 51Right-handed alpha
Helix 69
69
F
72 76Right-handed 310
Helix 70
70
F
77 97Right-handed alpha
Helix 71
71
F
112 121Right-handed alpha
Helix 72
72
F
135 140Right-handed 310
Helix 73
73
F
144 153Right-handed alpha
Helix 74
74
F
153 162Right-handed alpha
Helix 75
75
F
169 175Right-handed alpha
Helix 76
76
F
183 185Right-handed 310
Helix 77
77
F
186 199Right-handed alpha
Helix 78
78
F
202 214Right-handed alpha
Helix 79
79
F
217 231Right-handed alpha
Helix 80
80
F
233 244Right-handed alpha
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There are 12 sheets in PDB entry 3ISA. 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
10 14first strand
Strand 2
A
18 23anti-parallel
Strand 3
A
54 59parallel
Strand 4
A
101 106parallel
Strand 5
A
123 126parallel
Strand 6
A
180 181parallel
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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
109 111first strand
Strand 2
A
131 133parallel
Strand 3
A
166 168anti-parallel
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There are 6 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
10 14first strand
Strand 2
B
18 23anti-parallel
Strand 3
B
54 59parallel
Strand 4
B
101 106parallel
Strand 5
B
123 126parallel
Strand 6
B
180 181parallel
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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
109 111first strand
Strand 2
B
131 133parallel
Strand 3
B
166 168anti-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
C
10 14first strand
Strand 2
C
18 23anti-parallel
Strand 3
C
54 59parallel
Strand 4
C
101 106parallel
Strand 5
C
123 126parallel
Strand 6
C
180 181parallel
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There are 3 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
109 111first strand
Strand 2
C
131 133parallel
Strand 3
C
166 168anti-parallel
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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
D
10 14first strand
Strand 2
D
18 23anti-parallel
Strand 3
D
54 59parallel
Strand 4
D
101 106parallel
Strand 5
D
123 126parallel
Strand 6
D
180 181parallel
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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
D
109 111first strand
Strand 2
D
131 133parallel
Strand 3
D
166 168anti-parallel
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There are 6 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
10 14first strand
Strand 2
E
18 23anti-parallel
Strand 3
E
54 59parallel
Strand 4
E
101 106parallel
Strand 5
E
123 126parallel
Strand 6
E
180 181parallel
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There are 3 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
109 111first strand
Strand 2
E
131 133parallel
Strand 3
E
167 168anti-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
F
10 14first strand
Strand 2
F
18 23anti-parallel
Strand 3
F
54 59parallel
Strand 4
F
101 106parallel
Strand 5
F
123 126parallel
Strand 6
F
180 181parallel
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There are 3 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
109 111first strand
Strand 2
F
131 133parallel
Strand 3
F
166 168anti-parallel
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