Analysis of interatomic Contacts of Structural Units in PDB entry:
1TU4


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 1TU4 entry

There are 4 chains in PDB entry 1TU4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 15LYS 183
B
 ILE 18PRO 182
C
 GLY 15LYS 183
D
 ASN 16PRO 182
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 30 helices in PDB entry 1TU4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
32 43Right-handed alpha
Helix 2
2
A
53 55Right-handed 310
Helix 3
3
A
78 82Right-handed 310
Helix 4
4
A
86 91Right-handed alpha
Helix 5
5
A
104 122Right-handed alpha
Helix 6
6
A
137 141Right-handed 310
Helix 7
7
A
144 155Right-handed alpha
Helix 8
8
A
169 181Right-handed alpha
Helix 9
9
B
32 41Right-handed alpha
Helix 10
10
B
79 85Right-handed 310
Helix 11
11
B
86 91Right-handed alpha
Helix 12
12
B
104 122Right-handed alpha
Helix 13
13
B
134 141Right-handed 310
Helix 14
14
B
144 155Right-handed alpha
Helix 15
15
B
169 181Right-handed alpha
Helix 16
16
C
32 43Right-handed alpha
Helix 17
17
C
53 55Right-handed 310
Helix 18
18
C
78 82Right-handed 310
Helix 19
19
C
86 91Right-handed alpha
Helix 20
20
C
104 122Right-handed alpha
Helix 21
21
C
134 141Right-handed 310
Helix 22
22
C
144 154Right-handed alpha
Helix 23
23
C
169 181Right-handed alpha
Helix 24
24
D
32 41Right-handed alpha
Helix 25
25
D
79 85Right-handed 310
Helix 26
26
D
86 91Right-handed alpha
Helix 27
27
D
104 122Right-handed alpha
Helix 28
28
D
134 141Right-handed 310
Helix 29
29
D
144 156Right-handed alpha
Helix 30
30
D
169 181Right-handed alpha
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There are 5 sheets in PDB entry 1TU4. Click on sheet of interest to get list of strands forming it: A, B, C, D, E,

There are 7 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
50 51first strand
Strand 2
A
57 63anti-parallel
Strand 3
A
69 76anti-parallel
Strand 4
A
19 26parallel
Strand 5
A
93 101parallel
Strand 6
A
127 133parallel
Strand 7
A
158 161parallel
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There are 6 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
55 64first strand
Strand 2
B
67 76anti-parallel
Strand 3
B
19 26parallel
Strand 4
B
95 101parallel
Strand 5
B
127 133parallel
Strand 6
B
158 161parallel
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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
C
45 46first strand
Strand 2
C
57 63anti-parallel
Strand 3
C
50 51anti-parallel
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There are 7 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
45 46first strand
Strand 2
C
57 63anti-parallel
Strand 3
C
69 76anti-parallel
Strand 4
C
19 26parallel
Strand 5
C
95 101parallel
Strand 6
C
127 133parallel
Strand 7
C
158 161parallel
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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
D
55 64first strand
Strand 2
D
67 76anti-parallel
Strand 3
D
18 27parallel
Strand 4
D
95 101parallel
Strand 5
D
127 133parallel
Strand 6
D
158 161parallel
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