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


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 1SKY entry

There are 2 chains in PDB entry 1SKY (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
B
 SER 21GLN 502
E
 MET 1GLY 470
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 37 helices in PDB entry 1SKY. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
B
25 27Right-handed 310
Helix 2
2
B
151 156Right-handed alpha
Helix 3
3
B
175 186Right-handed alpha
Helix 4
4
B
202 214Right-handed alpha
Helix 5
5
B
232 252Right-handed alpha
Helix 6
6
B
263 277Right-handed alpha
Helix 7
7
B
283 285Right-handed 310
Helix 8
8
B
290 300Right-handed alpha
Helix 9
9
B
306 308Right-handed 310
Helix 10
10
B
322 324Right-handed 310
Helix 11
11
B
329 335Right-handed alpha
Helix 12
12
B
346 352Right-handed alpha
Helix 13
13
B
373 392Right-handed alpha
Helix 14
14
B
404 420Right-handed alpha
Helix 15
15
B
430 441Right-handed alpha
Helix 16
16
B
450 470Right-handed 310
Helix 17
17
B
472 478Right-handed alpha
Helix 18
18
B
483 499Right-handed alpha
Helix 19
19
E
89 91Right-handed 310
Helix 20
20
E
125 127Right-handed 310
Helix 21
21
E
140 145Right-handed alpha
Helix 22
22
E
164 178Right-handed alpha
Helix 23
23
E
192 204Right-handed alpha
Helix 24
24
E
207 210Right-handed 310
Helix 25
25
E
222 242Right-handed alpha
Helix 26
26
E
254 268Right-handed 310
Helix 27
27
E
274 276Right-handed 310
Helix 28
28
E
281 291Right-handed alpha
Helix 29
29
E
309 311Right-handed 310
Helix 30
30
E
316 324Right-handed alpha
Helix 31
31
E
335 338Right-handed alpha
Helix 32
32
E
356 387Right-handed alpha
Helix 33
33
E
395 409Right-handed alpha
Helix 34
34
E
418 421Right-handed alpha
Helix 35
35
E
430 441Right-handed alpha
Helix 36
36
E
450 452Right-handed 310
Helix 37
37
E
460 466Right-handed alpha
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There are 7 sheets in PDB entry 1SKY. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G,

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
B
87 89first strand
Strand 2
B
28 35anti-parallel
Strand 3
B
38 43anti-parallel
Strand 4
B
70 75anti-parallel
Strand 5
B
60 67anti-parallel
Strand 6
B
51 55anti-parallel
Strand 7
B
88 94anti-parallel
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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
B
96 98first strand
Strand 2
B
126 128anti-parallel
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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
B
107 109first strand
Strand 2
B
221 226parallel
Strand 3
B
192 198parallel
Strand 4
B
255 261parallel
Strand 5
B
312 317parallel
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There are 3 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
341 344first strand
Strand 2
B
166 169parallel
Strand 3
B
318 320parallel
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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
E
75 77first strand
Strand 2
E
3 10anti-parallel
Strand 3
E
13 18anti-parallel
Strand 4
E
58 63anti-parallel
Strand 5
E
44 53anti-parallel
Strand 6
E
29 34anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
84 86first strand
Strand 2
E
115 117anti-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
E
327 330first strand
Strand 2
E
153 157parallel
Strand 3
E
299 305parallel
Strand 4
E
246 252parallel
Strand 5
E
183 188parallel
Strand 6
E
211 216parallel
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