Analysis of interatomic Contacts of Structural Units in PDB entry:
1U3A


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 1U3A entry

There are 4 chains in PDB entry 1U3A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 2LYS 188
B
 GLN 2LYS 188
D
 GLN 2LYS 188
E
 ALA 1LYS 188
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 32 helices in PDB entry 1U3A. 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 49Right-handed alpha
Helix 2
2
A
65 83Right-handed alpha
Helix 3
3
A
84 98Right-handed alpha
Helix 4
4
A
104 115Right-handed alpha
Helix 5
5
A
118 127Right-handed alpha
Helix 6
6
A
128 145Right-handed alpha
Helix 7
7
A
163 166Right-handed 310
Helix 8
8
A
170 187Right-handed alpha
Helix 9
9
B
32 49Right-handed alpha
Helix 10
10
B
65 83Right-handed alpha
Helix 11
11
B
84 98Right-handed alpha
Helix 12
12
B
104 115Right-handed alpha
Helix 13
13
B
118 127Right-handed alpha
Helix 14
14
B
128 145Right-handed alpha
Helix 15
15
B
163 166Right-handed 310
Helix 16
16
B
170 187Right-handed alpha
Helix 17
17
D
32 48Right-handed alpha
Helix 18
18
D
65 82Right-handed alpha
Helix 19
19
D
84 98Right-handed alpha
Helix 20
20
D
104 115Right-handed alpha
Helix 21
21
D
118 128Right-handed alpha
Helix 22
22
D
128 145Right-handed alpha
Helix 23
23
D
163 166Right-handed 310
Helix 24
24
D
170 187Right-handed alpha
Helix 25
25
E
32 48Right-handed alpha
Helix 26
26
E
65 83Right-handed alpha
Helix 27
27
E
84 98Right-handed alpha
Helix 28
28
E
104 115Right-handed alpha
Helix 29
29
E
118 127Right-handed alpha
Helix 30
30
E
128 145Right-handed alpha
Helix 31
31
E
163 166Right-handed 310
Helix 32
32
E
170 188Right-handed alpha
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There are 4 sheets in PDB entry 1U3A. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 5 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
9 11first strand
Strand 2
A
159 161anti-parallel
Strand 3
A
152 155anti-parallel
Strand 4
A
22 26anti-parallel
Strand 5
A
56 60parallel
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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
B
9 11first strand
Strand 2
B
159 161anti-parallel
Strand 3
B
152 155anti-parallel
Strand 4
B
22 26anti-parallel
Strand 5
B
56 60parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
9 11first strand
Strand 2
D
159 161anti-parallel
Strand 3
D
152 155anti-parallel
Strand 4
D
22 26anti-parallel
Strand 5
D
56 60parallel
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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
E
9 11first strand
Strand 2
E
159 161anti-parallel
Strand 3
E
152 155anti-parallel
Strand 4
E
22 26anti-parallel
Strand 5
E
56 60parallel
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