Analysis of interatomic Contacts of Structural Units in PDB entry:
1YW4


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 1YW4 entry

There are 2 chains in PDB entry 1YW4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 2SER 332
B
 SER 4PRO 331
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 23 helices in PDB entry 1YW4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
6 13Right-handed alpha
Helix 2
2
A
60 75Right-handed alpha
Helix 3
3
A
90 97Right-handed alpha
Helix 4
4
A
104 108Right-handed 310
Helix 5
5
A
111 116Right-handed 310
Helix 6
6
A
119 138Right-handed alpha
Helix 7
7
A
173 182Right-handed alpha
Helix 8
8
A
197 206Right-handed alpha
Helix 9
9
A
225 228Right-handed 310
Helix 10
10
A
229 242Right-handed alpha
Helix 11
11
B
6 12Right-handed alpha
Helix 12
12
B
24 26Right-handed 310
Helix 13
13
B
60 75Right-handed alpha
Helix 14
14
B
90 97Right-handed alpha
Helix 15
15
B
104 108Right-handed 310
Helix 16
16
B
111 116Right-handed 310
Helix 17
17
B
119 138Right-handed alpha
Helix 18
18
B
166 170Right-handed 310
Helix 19
19
B
173 184Right-handed alpha
Helix 20
20
B
197 206Right-handed alpha
Helix 21
21
B
225 228Right-handed 310
Helix 22
22
B
229 242Right-handed alpha
Helix 23
23
B
251 255Right-handed 310
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There are 2 sheets in PDB entry 1YW4. Click on sheet of interest to get list of strands forming it: A, B,

There are 13 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
20 23first strand
Strand 2
A
27 33anti-parallel
Strand 3
A
36 39anti-parallel
Strand 4
A
83 88anti-parallel
Strand 5
A
48 53parallel
Strand 6
A
143 151parallel
Strand 7
A
209 217parallel
Strand 8
A
160 163anti-parallel
Strand 9
A
187 190parallel
Strand 10
A
257 265parallel
Strand 11
A
320 328anti-parallel
Strand 12
A
307 309anti-parallel
Strand 13
A
283 284anti-parallel
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There are 13 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
20 22first strand
Strand 2
B
28 33anti-parallel
Strand 3
B
36 39anti-parallel
Strand 4
B
83 88anti-parallel
Strand 5
B
48 53parallel
Strand 6
B
143 151parallel
Strand 7
B
209 217parallel
Strand 8
B
160 164anti-parallel
Strand 9
B
188 191parallel
Strand 10
B
257 262parallel
Strand 11
B
323 327anti-parallel
Strand 12
B
307 309anti-parallel
Strand 13
B
283 284anti-parallel
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