Analysis of interatomic Contacts of Structural Units in PDB entry:
1YQ4


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 1YQ4 entry

There are 4 chains in PDB entry 1YQ4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 8TYR 621
B
 ALA 6GLU 247
C
 ALA 2SER 141
D
 SER 2ILE 103
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 1YQ4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
27 40Right-handed alpha
Helix 2
2
A
51 60Right-handed 310
Helix 3
3
A
75 87Right-handed alpha
Helix 4
4
A
92 113Right-handed alpha
Helix 5
5
A
135 139Right-handed 310
Helix 6
6
A
152 166Right-handed alpha
Helix 7
7
A
216 220Right-handed 310
Helix 8
8
A
231 240Right-handed alpha
Helix 9
9
A
266 271Right-handed alpha
Helix 10
10
A
283 288Right-handed alpha
Helix 11
11
A
291 295Right-handed 310
Helix 12
12
A
296 310Right-handed alpha
Helix 13
13
A
329 337Right-handed alpha
Helix 14
14
A
337 349Right-handed alpha
Helix 15
15
A
412 432Right-handed alpha
Helix 16
16
A
446 459Right-handed alpha
Helix 17
17
A
465 480Right-handed alpha
Helix 18
18
A
485 502Right-handed alpha
Helix 19
19
A
516 542Right-handed alpha
Helix 20
20
A
574 578Right-handed 310
Helix 21
21
B
38 40Right-handed 310
Helix 22
22
B
43 55Right-handed alpha
Helix 23
23
B
85 87Right-handed 310
Helix 24
24
B
115 125Right-handed alpha
Helix 25
25
B
145 151Right-handed alpha
Helix 26
26
B
164 167Right-handed 310
Helix 27
27
B
168 175Right-handed alpha
Helix 28
28
B
180 192Right-handed alpha
Helix 29
29
B
198 205Right-handed alpha
Helix 30
30
B
219 225Right-handed alpha
Helix 31
31
B
230 243Right-handed alpha
Helix 32
32
C
4 18Right-handed alpha
Helix 33
33
C
33 63Right-handed alpha
Helix 34
34
C
66 76Right-handed alpha
Helix 35
35
C
80 110Right-handed alpha
Helix 36
36
C
115 140Right-handed alpha
Helix 37
37
D
4 30Right-handed alpha
Helix 38
38
D
32 59Right-handed alpha
Helix 39
39
D
61 90Right-handed alpha
Helix 40
40
D
92 101Right-handed alpha
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There are 10 sheets in PDB entry 1YQ4. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 4 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
14 18first strand
Strand 2
A
200 205parallel
Strand 3
A
187 195anti-parallel
Strand 4
A
176 184anti-parallel
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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
171 174first strand
Strand 2
A
44 48parallel
Strand 3
A
21 24parallel
Strand 4
A
208 211parallel
Strand 5
A
385 394parallel
Strand 6
A
377 382anti-parallel
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There are 3 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
64 65first strand
Strand 2
A
146 147anti-parallel
Strand 3
A
127 128anti-parallel
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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
A
244 245first strand
Strand 2
A
581 588anti-parallel
Strand 3
A
593 600anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
250 257first strand
Strand 2
A
357 366anti-parallel
Strand 3
A
321 324anti-parallel
Strand 4
A
274 276anti-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
A
370 371first strand
Strand 2
A
399 400parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
463 464first strand
Strand 2
A
506 507parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
483 484first strand
Strand 2
A
550 551parallel
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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
29 36first strand
Strand 2
B
11 18anti-parallel
Strand 3
B
96 100parallel
Strand 4
B
74 77anti-parallel
Strand 5
B
80 83anti-parallel
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There are 2 strands in J 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
112 113anti-parallel
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