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


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 1SKU entry

There are 4 chains in PDB entry 1SKU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1LEU 310
B
 LYS 6ASN 153
C
 ALA 1LEU 310
D
 LYS 6ASN 153
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 34 helices in PDB entry 1SKU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 33Right-handed alpha
Helix 2
2
A
52 66Right-handed alpha
Helix 3
3
A
87 97Right-handed alpha
Helix 4
4
A
112 114Right-handed 310
Helix 5
5
A
115 120Right-handed alpha
Helix 6
6
A
134 150Right-handed alpha
Helix 7
7
A
166 179Right-handed alpha
Helix 8
8
A
195 205Right-handed alpha
Helix 9
9
A
214 218Right-handed 310
Helix 10
10
A
236 244Right-handed alpha
Helix 11
11
A
250 254Right-handed 310
Helix 12
12
A
285 291Right-handed alpha
Helix 13
13
A
291 302Right-handed alpha
Helix 14
14
B
27 32Right-handed alpha
Helix 15
15
B
35 39Right-handed 310
Helix 16
16
B
67 78Right-handed alpha
Helix 17
17
C
16 33Right-handed alpha
Helix 18
18
C
52 66Right-handed alpha
Helix 19
19
C
87 99Right-handed alpha
Helix 20
20
C
110 120Right-handed alpha
Helix 21
21
C
134 149Right-handed alpha
Helix 22
22
C
166 176Right-handed alpha
Helix 23
23
C
189 193Right-handed 310
Helix 24
24
C
195 206Right-handed alpha
Helix 25
25
C
214 219Right-handed alpha
Helix 26
26
C
231 235Right-handed 310
Helix 27
27
C
237 242Right-handed alpha
Helix 28
28
C
250 254Right-handed 310
Helix 29
29
C
274 278Right-handed 310
Helix 30
30
C
285 291Right-handed alpha
Helix 31
31
C
291 305Right-handed alpha
Helix 32
32
D
25 33Right-handed alpha
Helix 33
33
D
67 73Right-handed alpha
Helix 34
34
D
147 152Right-handed alpha
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There are 9 sheets in PDB entry 1SKU. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

There are 2 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
43 48first strand
Strand 2
A
69 74parallel
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There are 2 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
102 106first strand
Strand 2
A
124 129parallel
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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
A
209 212first strand
Strand 2
A
183 187parallel
Strand 3
A
156 160parallel
Strand 4
A
224 227parallel
Strand 5
A
262 264parallel
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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
B
102 104first strand
Strand 2
B
124 129anti-parallel
Strand 3
B
134 138anti-parallel
Strand 4
B
144 146anti-parallel
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There are 3 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
69 70first strand
Strand 2
C
43 48parallel
Strand 3
C
73 74parallel
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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
69 70first strand
Strand 2
C
43 48parallel
Strand 3
C
101 106parallel
Strand 4
C
124 129parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
209 212first strand
Strand 2
C
183 187parallel
Strand 3
C
156 160parallel
Strand 4
C
224 227parallel
Strand 5
C
262 264parallel
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There are 5 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
42 45first strand
Strand 2
D
58 61anti-parallel
Strand 3
D
16 19anti-parallel
Strand 4
D
82 85anti-parallel
Strand 5
D
92 94anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
102 103first strand
Strand 2
D
125 126anti-parallel
Strand 3
D
135 138anti-parallel
Strand 4
D
144 146anti-parallel
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