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


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 3SIQ entry

There are 6 chains in PDB entry 3SIQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2SER 133
B
 ALA 2PRO 131
C
 ALA 2LEU 129
D
 ALA 2PRO 130
E
 ALA 2PRO 131
F
 ALA 2PRO 131
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 28 helices in PDB entry 3SIQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
43 50Right-handed alpha
Helix 2
2
A
60 67Right-handed alpha
Helix 3
3
A
95 104Right-handed alpha
Helix 4
4
A
121 129Right-handed alpha
Helix 5
5
B
44 49Right-handed alpha
Helix 6
6
B
60 67Right-handed alpha
Helix 7
7
B
95 104Right-handed alpha
Helix 8
8
B
121 127Right-handed alpha
Helix 9
9
C
43 50Right-handed alpha
Helix 10
10
C
51 54Right-handed 310
Helix 11
11
C
60 67Right-handed alpha
Helix 12
12
C
95 104Right-handed alpha
Helix 13
13
C
121 126Right-handed alpha
Helix 14
14
D
43 49Right-handed alpha
Helix 15
15
D
60 67Right-handed alpha
Helix 16
16
D
95 104Right-handed alpha
Helix 17
17
D
121 127Right-handed alpha
Helix 18
18
E
43 48Right-handed alpha
Helix 19
19
E
49 51Right-handed 310
Helix 20
20
E
60 67Right-handed alpha
Helix 21
21
E
95 104Right-handed alpha
Helix 22
22
E
121 129Right-handed alpha
Helix 23
23
F
43 48Right-handed alpha
Helix 24
24
F
49 51Right-handed 310
Helix 25
25
F
61 66Right-handed alpha
Helix 26
26
F
95 104Right-handed alpha
Helix 27
27
F
107 112Right-handed alpha
Helix 28
28
F
121 127Right-handed alpha
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There are 7 sheets in PDB entry 3SIQ. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G,

There are 4 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
3 4first strand
Strand 2
A
86 88anti-parallel
Strand 3
A
78 80anti-parallel
Strand 4
A
69 71anti-parallel
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There are 4 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
3 4first strand
Strand 2
B
86 88anti-parallel
Strand 3
B
78 80anti-parallel
Strand 4
B
69 71anti-parallel
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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
C
3 4first strand
Strand 2
C
86 88anti-parallel
Strand 3
C
78 80anti-parallel
Strand 4
C
69 71anti-parallel
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There are 4 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
3 4first strand
Strand 2
D
86 88anti-parallel
Strand 3
D
78 80anti-parallel
Strand 4
D
69 71anti-parallel
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There are 2 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
3 4first strand
Strand 2
E
87 88anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
69 71first strand
Strand 2
E
78 80anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
3 5first strand
Strand 2
F
86 88anti-parallel
Strand 3
F
77 80anti-parallel
Strand 4
F
69 74anti-parallel
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