Analysis of interatomic Contacts of Structural Units in PDB entry:
1YS4


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 1YS4 entry

There are 2 chains in PDB entry 1YS4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 7ILE 354
B
 MSE 7ILE 354
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 30 helices in PDB entry 1YS4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
18 29Right-handed alpha
Helix 2
2
A
49 54Right-handed alpha
Helix 3
3
A
78 82Right-handed 310
Helix 4
4
A
92 106Right-handed alpha
Helix 5
5
A
127 132Right-handed alpha
Helix 6
6
A
133 135Right-handed 310
Helix 7
7
A
136 146Right-handed alpha
Helix 8
8
A
156 174Right-handed alpha
Helix 9
9
A
186 190Right-handed 310
Helix 10
10
A
195 200Right-handed alpha
Helix 11
11
A
209 222Right-handed alpha
Helix 12
12
A
263 274Right-handed alpha
Helix 13
13
A
299 304Right-handed alpha
Helix 14
14
A
305 310Right-handed 310
Helix 15
15
A
338 353Right-handed alpha
Helix 16
16
B
18 29Right-handed alpha
Helix 17
17
B
49 54Right-handed alpha
Helix 18
18
B
63 68Right-handed alpha
Helix 19
19
B
92 106Right-handed alpha
Helix 20
20
B
127 132Right-handed alpha
Helix 21
21
B
133 135Right-handed 310
Helix 22
22
B
136 146Right-handed alpha
Helix 23
23
B
156 174Right-handed alpha
Helix 24
24
B
186 190Right-handed 310
Helix 25
25
B
195 200Right-handed alpha
Helix 26
26
B
209 222Right-handed alpha
Helix 27
27
B
263 274Right-handed alpha
Helix 28
28
B
299 304Right-handed alpha
Helix 29
29
B
305 310Right-handed 310
Helix 30
30
B
338 353Right-handed alpha
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There are 6 sheets in PDB entry 1YS4. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
A
72 73first strand
Strand 2
A
34 41parallel
Strand 3
A
9 14parallel
Strand 4
A
86 89parallel
Strand 5
A
109 112parallel
Strand 6
A
150 153parallel
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There are 6 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
236 240first strand
Strand 2
A
177 183parallel
Strand 3
A
250 257anti-parallel
Strand 4
A
325 331anti-parallel
Strand 5
A
312 319anti-parallel
Strand 6
A
289 291parallel
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There are 2 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
224 226first strand
Strand 2
A
229 231anti-parallel
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There are 6 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
72 73first strand
Strand 2
B
34 41parallel
Strand 3
B
9 14parallel
Strand 4
B
86 89parallel
Strand 5
B
109 112parallel
Strand 6
B
150 153parallel
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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
236 240first strand
Strand 2
B
177 183parallel
Strand 3
B
250 257anti-parallel
Strand 4
B
325 331anti-parallel
Strand 5
B
312 319anti-parallel
Strand 6
B
289 292parallel
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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
B
224 226first strand
Strand 2
B
229 231anti-parallel
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