Analysis of interatomic Contacts of Structural Units in PDB entry:
3SI9


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 3SI9 entry

There are 4 chains in PDB entry 3SI9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 4LYS 297
B
 SER 4LEU 296
C
 SER 4LEU 296
D
 SER 4LYS 297
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 59 helices in PDB entry 3SI9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
24 38Right-handed alpha
Helix 2
2
A
51 55Right-handed 310
Helix 3
3
A
56 72Right-handed alpha
Helix 4
4
A
85 99Right-handed alpha
Helix 5
5
A
115 130Right-handed alpha
Helix 6
6
A
139 144Right-handed alpha
Helix 7
7
A
148 159Right-handed alpha
Helix 8
8
A
172 183Right-handed alpha
Helix 9
9
A
192 194Right-handed 310
Helix 10
10
A
195 202Right-handed alpha
Helix 11
11
A
210 214Right-handed 310
Helix 12
12
A
215 228Right-handed alpha
Helix 13
13
A
230 248Right-handed alpha
Helix 14
14
A
254 264Right-handed alpha
Helix 15
15
A
279 293Right-handed alpha
Helix 16
16
B
24 38Right-handed alpha
Helix 17
17
B
51 55Right-handed 310
Helix 18
18
B
56 72Right-handed alpha
Helix 19
19
B
85 99Right-handed alpha
Helix 20
20
B
115 130Right-handed alpha
Helix 21
21
B
139 144Right-handed alpha
Helix 22
22
B
148 159Right-handed alpha
Helix 23
23
B
172 183Right-handed alpha
Helix 24
24
B
195 203Right-handed alpha
Helix 25
25
B
210 214Right-handed 310
Helix 26
26
B
215 228Right-handed alpha
Helix 27
27
B
230 248Right-handed alpha
Helix 28
28
B
254 264Right-handed alpha
Helix 29
29
B
279 293Right-handed alpha
Helix 30
30
C
24 38Right-handed alpha
Helix 31
31
C
51 55Right-handed 310
Helix 32
32
C
56 72Right-handed alpha
Helix 33
33
C
85 99Right-handed alpha
Helix 34
34
C
115 130Right-handed alpha
Helix 35
35
C
139 144Right-handed alpha
Helix 36
36
C
148 159Right-handed alpha
Helix 37
37
C
172 183Right-handed alpha
Helix 38
38
C
192 194Right-handed 310
Helix 39
39
C
195 202Right-handed alpha
Helix 40
40
C
210 214Right-handed 310
Helix 41
41
C
215 228Right-handed alpha
Helix 42
42
C
230 248Right-handed alpha
Helix 43
43
C
254 264Right-handed alpha
Helix 44
44
C
279 293Right-handed alpha
Helix 45
45
D
24 38Right-handed alpha
Helix 46
46
D
51 55Right-handed 310
Helix 47
47
D
56 72Right-handed alpha
Helix 48
48
D
85 99Right-handed alpha
Helix 49
49
D
115 130Right-handed alpha
Helix 50
50
D
139 144Right-handed alpha
Helix 51
51
D
148 159Right-handed alpha
Helix 52
52
D
172 183Right-handed alpha
Helix 53
53
D
192 194Right-handed 310
Helix 54
54
D
195 202Right-handed alpha
Helix 55
55
D
210 214Right-handed 310
Helix 56
56
D
215 228Right-handed alpha
Helix 57
57
D
230 248Right-handed alpha
Helix 58
58
D
254 264Right-handed alpha
Helix 59
59
D
279 293Right-handed alpha
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There are 8 sheets in PDB entry 3SI9. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 3 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
42 44first strand
Strand 2
A
8 12parallel
Strand 3
A
206 209parallel
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There are 5 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
78 80first strand
Strand 2
A
103 107parallel
Strand 3
A
134 138parallel
Strand 4
A
162 167parallel
Strand 5
A
187 190parallel
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There are 3 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
42 44first strand
Strand 2
B
8 12parallel
Strand 3
B
206 209parallel
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There are 5 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
78 80first strand
Strand 2
B
103 107parallel
Strand 3
B
134 138parallel
Strand 4
B
162 167parallel
Strand 5
B
187 190parallel
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There are 3 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
42 44first strand
Strand 2
C
8 12parallel
Strand 3
C
206 209parallel
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There are 5 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
78 80first strand
Strand 2
C
103 107parallel
Strand 3
C
134 138parallel
Strand 4
C
162 167parallel
Strand 5
C
187 190parallel
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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
D
42 44first strand
Strand 2
D
8 12parallel
Strand 3
D
206 209parallel
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There are 5 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
78 80first strand
Strand 2
D
103 107parallel
Strand 3
D
134 138parallel
Strand 4
D
162 167parallel
Strand 5
D
187 190parallel
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