Analysis of interatomic Contacts of Structural Units in PDB entry:
3U27


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 3U27 entry

There are 6 chains in PDB entry 3U27 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
C
 ALA 0TYR 217
A
 MSE 1TYR 217
B
 MSE 1TYR 217
D
 ALA 0TYR 217
E
 ALA 0TYR 217
F
 ALA 0TYR 217
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 42 helices in PDB entry 3U27. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
C
20 28Right-handed alpha
Helix 2
2
C
43 58Right-handed alpha
Helix 3
3
C
71 75Right-handed 310
Helix 4
4
C
91 109Right-handed alpha
Helix 5
5
C
132 140Right-handed alpha
Helix 6
6
C
153 168Right-handed alpha
Helix 7
7
C
192 213Right-handed alpha
Helix 8
8
A
20 28Right-handed alpha
Helix 9
9
A
43 58Right-handed alpha
Helix 10
10
A
71 75Right-handed 310
Helix 11
11
A
91 109Right-handed alpha
Helix 12
12
A
132 140Right-handed alpha
Helix 13
13
A
153 168Right-handed alpha
Helix 14
14
A
192 213Right-handed alpha
Helix 15
15
B
20 28Right-handed alpha
Helix 16
16
B
43 58Right-handed alpha
Helix 17
17
B
71 75Right-handed 310
Helix 18
18
B
91 109Right-handed alpha
Helix 19
19
B
132 140Right-handed alpha
Helix 20
20
B
153 168Right-handed alpha
Helix 21
21
B
192 213Right-handed alpha
Helix 22
22
D
20 28Right-handed alpha
Helix 23
23
D
43 58Right-handed alpha
Helix 24
24
D
71 75Right-handed 310
Helix 25
25
D
91 109Right-handed alpha
Helix 26
26
D
132 140Right-handed alpha
Helix 27
27
D
153 168Right-handed alpha
Helix 28
28
D
192 213Right-handed alpha
Helix 29
29
E
20 28Right-handed alpha
Helix 30
30
E
43 55Right-handed alpha
Helix 31
31
E
71 75Right-handed 310
Helix 32
32
E
91 109Right-handed alpha
Helix 33
33
E
132 140Right-handed alpha
Helix 34
34
E
153 168Right-handed alpha
Helix 35
35
E
192 213Right-handed alpha
Helix 36
36
F
20 28Right-handed alpha
Helix 37
37
F
43 55Right-handed alpha
Helix 38
38
F
71 75Right-handed 310
Helix 39
39
F
91 109Right-handed alpha
Helix 40
40
F
132 140Right-handed alpha
Helix 41
41
F
153 168Right-handed alpha
Helix 42
42
F
192 213Right-handed alpha
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There are 12 sheets in PDB entry 3U27. 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
C
5 6first strand
Strand 2
C
112 114anti-parallel
Strand 3
C
122 128anti-parallel
Strand 4
C
147 152anti-parallel
Strand 5
C
185 190anti-parallel
Strand 6
C
171 176anti-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
C
10 16first strand
Strand 2
C
35 41anti-parallel
Strand 3
C
83 89anti-parallel
Strand 4
C
61 67anti-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
A
5 6first strand
Strand 2
A
112 114anti-parallel
Strand 3
A
122 128anti-parallel
Strand 4
A
146 152anti-parallel
Strand 5
A
185 191anti-parallel
Strand 6
A
171 176anti-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
A
10 16first strand
Strand 2
A
35 41anti-parallel
Strand 3
A
83 89anti-parallel
Strand 4
A
61 67anti-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
B
5 6first strand
Strand 2
B
112 114anti-parallel
Strand 3
B
122 128anti-parallel
Strand 4
B
146 152anti-parallel
Strand 5
B
185 191anti-parallel
Strand 6
B
171 176anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
10 16first strand
Strand 2
B
35 41anti-parallel
Strand 3
B
83 89anti-parallel
Strand 4
B
61 67anti-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
5 6first strand
Strand 2
D
112 114anti-parallel
Strand 3
D
122 128anti-parallel
Strand 4
D
146 152anti-parallel
Strand 5
D
185 191anti-parallel
Strand 6
D
171 176anti-parallel
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There are 4 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
10 16first strand
Strand 2
D
35 41anti-parallel
Strand 3
D
83 89anti-parallel
Strand 4
D
61 67anti-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
5 6first strand
Strand 2
E
112 114anti-parallel
Strand 3
E
122 128anti-parallel
Strand 4
E
147 152anti-parallel
Strand 5
E
185 190anti-parallel
Strand 6
E
171 176anti-parallel
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There are 4 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
10 16first strand
Strand 2
E
35 41anti-parallel
Strand 3
E
83 89anti-parallel
Strand 4
E
61 67anti-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
5 6first strand
Strand 2
F
112 114anti-parallel
Strand 3
F
122 128anti-parallel
Strand 4
F
146 152anti-parallel
Strand 5
F
185 191anti-parallel
Strand 6
F
171 176anti-parallel
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There are 4 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
10 16first strand
Strand 2
F
35 41anti-parallel
Strand 3
F
83 89anti-parallel
Strand 4
F
61 67anti-parallel
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