Analysis of interatomic Contacts of Structural Units in PDB entry:
4USQ


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 4USQ entry

There are 2 chains in PDB entry 4USQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 13SER 360
F
 SER 13ASP 359
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 24 helices in PDB entry 4USQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
22 33Right-handed alpha
Helix 2
2
A
49 55Right-handed 310
Helix 3
3
A
64 68Right-handed 310
Helix 4
4
A
84 99Right-handed alpha
Helix 5
5
A
162 164Right-handed 310
Helix 6
6
A
167 171Right-handed 310
Helix 7
7
A
180 192Right-handed alpha
Helix 8
8
A
214 227Right-handed alpha
Helix 9
9
A
247 256Right-handed alpha
Helix 10
10
A
296 303Right-handed 310
Helix 11
11
A
330 334Right-handed 310
Helix 12
12
A
343 360Right-handed alpha
Helix 13
13
F
22 33Right-handed alpha
Helix 14
14
F
49 55Right-handed 310
Helix 15
15
F
64 68Right-handed 310
Helix 16
16
F
84 99Right-handed alpha
Helix 17
17
F
162 164Right-handed 310
Helix 18
18
F
167 171Right-handed 310
Helix 19
19
F
180 192Right-handed alpha
Helix 20
20
F
214 231Right-handed alpha
Helix 21
21
F
247 256Right-handed alpha
Helix 22
22
F
296 303Right-handed 310
Helix 23
23
F
330 334Right-handed 310
Helix 24
24
F
342 359Right-handed alpha
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There are 12 sheets in PDB entry 4USQ. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, FA, FB, FC, FD, FE, FF,

There are 5 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
103 104first strand
Strand 2
A
39 42parallel
Strand 3
A
14 19parallel
Strand 4
A
127 135parallel
Strand 5
A
324 326anti-parallel
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There are 6 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
103 104first strand
Strand 2
A
39 42parallel
Strand 3
A
14 19parallel
Strand 4
A
127 135parallel
Strand 5
A
119 122anti-parallel
Strand 6
A
111 114anti-parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
324 326first strand
Strand 2
A
127 135anti-parallel
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There are 5 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
157 160first strand
Strand 2
A
285 288parallel
Strand 3
A
174 178parallel
Strand 4
A
196 200parallel
Strand 5
A
261 262parallel
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There are 3 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
267 269first strand
Strand 2
A
272 274anti-parallel
Strand 3
A
280 282anti-parallel
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There are 2 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
313 314first strand
Strand 2
A
317 318anti-parallel
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There are 5 strands in FA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
103 104first strand
Strand 2
F
39 42parallel
Strand 3
F
14 19parallel
Strand 4
F
127 135parallel
Strand 5
F
324 326anti-parallel
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There are 6 strands in FB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
103 104first strand
Strand 2
F
39 42parallel
Strand 3
F
14 19parallel
Strand 4
F
127 135parallel
Strand 5
F
119 122anti-parallel
Strand 6
F
111 114anti-parallel
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There are 2 strands in FC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
324 326first strand
Strand 2
F
127 135anti-parallel
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There are 5 strands in FD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
157 160first strand
Strand 2
F
285 288parallel
Strand 3
F
174 178parallel
Strand 4
F
196 200parallel
Strand 5
F
261 262parallel
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There are 3 strands in FE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
267 269first strand
Strand 2
F
272 274anti-parallel
Strand 3
F
280 282anti-parallel
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There are 2 strands in FF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
313 314first strand
Strand 2
F
317 318anti-parallel
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