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


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 3SPU entry

There are 5 chains in PDB entry 3SPU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 43ARG 270
B
 ILE 31LYS 268
C
 ASP 43ARG 270
D
 ASP 43ARG 270
E
 ASP 43LEU 269
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 40 helices in PDB entry 3SPU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
94 109Right-handed alpha
Helix 2
2
A
122 127Right-handed alpha
Helix 3
3
A
128 135Right-handed alpha
Helix 4
4
A
143 149Right-handed alpha
Helix 5
5
A
170 174Right-handed 310
Helix 6
6
A
228 240Right-handed alpha
Helix 7
7
A
256 270Right-handed alpha
Helix 8
8
B
34 39Right-handed alpha
Helix 9
9
B
94 109Right-handed alpha
Helix 10
10
B
122 127Right-handed alpha
Helix 11
11
B
128 135Right-handed alpha
Helix 12
12
B
143 149Right-handed alpha
Helix 13
13
B
150 153Right-handed 310
Helix 14
14
B
170 174Right-handed 310
Helix 15
15
B
228 240Right-handed alpha
Helix 16
16
B
256 268Right-handed alpha
Helix 17
17
C
94 109Right-handed alpha
Helix 18
18
C
122 127Right-handed alpha
Helix 19
19
C
128 135Right-handed alpha
Helix 20
20
C
143 149Right-handed alpha
Helix 21
21
C
150 153Right-handed 310
Helix 22
22
C
170 174Right-handed 310
Helix 23
23
C
228 240Right-handed alpha
Helix 24
24
C
256 268Right-handed alpha
Helix 25
25
D
94 109Right-handed alpha
Helix 26
26
D
122 127Right-handed alpha
Helix 27
27
D
128 135Right-handed alpha
Helix 28
28
D
143 149Right-handed alpha
Helix 29
29
D
150 153Right-handed 310
Helix 30
30
D
170 174Right-handed 310
Helix 31
31
D
207 210Right-handed 310
Helix 32
32
D
228 240Right-handed alpha
Helix 33
33
D
256 273Right-handed alpha
Helix 34
34
E
94 109Right-handed alpha
Helix 35
35
E
122 127Right-handed alpha
Helix 36
36
E
128 135Right-handed alpha
Helix 37
37
E
143 149Right-handed alpha
Helix 38
38
E
170 174Right-handed 310
Helix 39
39
E
228 240Right-handed alpha
Helix 40
40
E
256 268Right-handed alpha
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There are 10 sheets in PDB entry 3SPU. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 8 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
44 46first strand
Strand 2
A
49 55anti-parallel
Strand 3
A
58 67anti-parallel
Strand 4
A
71 82anti-parallel
Strand 5
A
85 89anti-parallel
Strand 6
A
113 117parallel
Strand 7
A
138 142parallel
Strand 8
A
159 161parallel
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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
180 183first strand
Strand 2
A
195 198anti-parallel
Strand 3
A
203 207anti-parallel
Strand 4
A
245 248parallel
Strand 5
A
251 254anti-parallel
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There are 8 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
43 46first strand
Strand 2
B
49 55anti-parallel
Strand 3
B
58 67anti-parallel
Strand 4
B
71 82anti-parallel
Strand 5
B
85 89anti-parallel
Strand 6
B
113 118parallel
Strand 7
B
138 142parallel
Strand 8
B
159 161parallel
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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
180 183first strand
Strand 2
B
195 198anti-parallel
Strand 3
B
203 205anti-parallel
Strand 4
B
245 248parallel
Strand 5
B
251 254anti-parallel
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There are 8 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
44 46first strand
Strand 2
C
49 55anti-parallel
Strand 3
C
58 67anti-parallel
Strand 4
C
70 82anti-parallel
Strand 5
C
85 89anti-parallel
Strand 6
C
113 118parallel
Strand 7
C
138 142parallel
Strand 8
C
159 161parallel
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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
C
180 183first strand
Strand 2
C
195 198anti-parallel
Strand 3
C
203 207anti-parallel
Strand 4
C
245 248parallel
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There are 8 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
44 46first strand
Strand 2
D
49 55anti-parallel
Strand 3
D
58 66anti-parallel
Strand 4
D
72 82anti-parallel
Strand 5
D
85 89anti-parallel
Strand 6
D
113 117parallel
Strand 7
D
138 142parallel
Strand 8
D
159 161parallel
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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
180 183first strand
Strand 2
D
195 198anti-parallel
Strand 3
D
203 205anti-parallel
Strand 4
D
245 247parallel
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There are 8 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
44 46first strand
Strand 2
E
49 55anti-parallel
Strand 3
E
58 66anti-parallel
Strand 4
E
72 82anti-parallel
Strand 5
E
85 89anti-parallel
Strand 6
E
113 118parallel
Strand 7
E
138 142parallel
Strand 8
E
159 161parallel
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There are 5 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
180 183first strand
Strand 2
E
195 198anti-parallel
Strand 3
E
203 207anti-parallel
Strand 4
E
245 248parallel
Strand 5
E
251 254anti-parallel
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