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


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 4URL entry

There are 2 chains in PDB entry 4URL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 18SER 400
B
 LEU 20ARG 399
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 20 helices in PDB entry 4URL. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
19 26Right-handed alpha
Helix 2
2
A
27 32Right-handed alpha
Helix 3
3
A
35 56Right-handed alpha
Helix 4
4
A
91 99Right-handed alpha
Helix 5
5
A
121 128Right-handed alpha
Helix 6
6
A
186 201Right-handed alpha
Helix 7
7
A
226 235Right-handed alpha
Helix 8
8
A
283 304Right-handed alpha
Helix 9
9
A
315 320Right-handed alpha
Helix 10
10
A
349 400Right-handed alpha
Helix 11
11
B
21 26Right-handed alpha
Helix 12
12
B
26 32Right-handed alpha
Helix 13
13
B
35 56Right-handed alpha
Helix 14
14
B
91 99Right-handed alpha
Helix 15
15
B
121 128Right-handed alpha
Helix 16
16
B
186 201Right-handed alpha
Helix 17
17
B
226 235Right-handed alpha
Helix 18
18
B
283 304Right-handed alpha
Helix 19
19
B
315 320Right-handed alpha
Helix 20
20
B
348 399Right-handed alpha
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There are 10 sheets in PDB entry 4URL. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB, BC, BD, BE,

There are 2 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
152 153first strand
Strand 2
A
141 148parallel
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There are 2 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
158 162first strand
Strand 2
A
141 148anti-parallel
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There are 8 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
217 222first strand
Strand 2
A
205 210anti-parallel
Strand 3
A
61 66parallel
Strand 4
A
72 76anti-parallel
Strand 5
A
167 174anti-parallel
Strand 6
A
129 138anti-parallel
Strand 7
A
141 148anti-parallel
Strand 8
A
152 153parallel
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There are 8 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
217 222first strand
Strand 2
A
205 210anti-parallel
Strand 3
A
61 66parallel
Strand 4
A
72 76anti-parallel
Strand 5
A
167 174anti-parallel
Strand 6
A
129 138anti-parallel
Strand 7
A
141 148anti-parallel
Strand 8
A
158 162anti-parallel
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There are 5 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
245 251first strand
Strand 2
A
254 262anti-parallel
Strand 3
A
323 330anti-parallel
Strand 4
A
269 274parallel
Strand 5
A
277 278anti-parallel
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There are 2 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
152 153first strand
Strand 2
B
141 148parallel
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There are 2 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
158 162first strand
Strand 2
B
141 148anti-parallel
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There are 8 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
217 222first strand
Strand 2
B
205 210anti-parallel
Strand 3
B
61 66parallel
Strand 4
B
72 76anti-parallel
Strand 5
B
167 174anti-parallel
Strand 6
B
129 138anti-parallel
Strand 7
B
141 148anti-parallel
Strand 8
B
152 153parallel
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There are 8 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
217 222first strand
Strand 2
B
205 210anti-parallel
Strand 3
B
61 66parallel
Strand 4
B
72 76anti-parallel
Strand 5
B
167 174anti-parallel
Strand 6
B
129 138anti-parallel
Strand 7
B
141 148anti-parallel
Strand 8
B
158 162anti-parallel
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There are 5 strands in BE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
245 251first strand
Strand 2
B
254 262anti-parallel
Strand 3
B
323 330anti-parallel
Strand 4
B
269 274parallel
Strand 5
B
277 278anti-parallel
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