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


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 4XOB entry

There are 5 chains in PDB entry 4XOB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 1GLN 279
B
 ALA 2ASP 14
C
 PHE 1GLN 279
D
 ALA 2ASP 14
E
 PHE 1SER 97
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 4 helices in PDB entry 4XOB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
66 71Right-handed 310
Helix 2
AA2
C
66 71Right-handed 310
Helix 3
AA3
E
66 71Right-handed 310
Helix 4
AA4
G
65 70Right-handed alpha
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There are 32 sheets in PDB entry 4XOB. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3, AB4, AB5, AB6, AB7, AB8, AB9, AC1, AC2, AC3, AC4, AC5, AC6, AC7, AC8, AC9, AD1, AD2, AD3, AD4, AD5,

There are 4 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
10 11first strand
Strand 2
A
2 5anti-parallel
Strand 3
A
42 45anti-parallel
Strand 4
A
101 102anti-parallel
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There are 4 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
15 22first strand
Strand 2
A
142 150parallel
Strand 3
A
125 135anti-parallel
Strand 4
A
63 64anti-parallel
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There are 5 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
15 22first strand
Strand 2
A
142 150parallel
Strand 3
A
125 135anti-parallel
Strand 4
A
54 58anti-parallel
Strand 5
A
93 95anti-parallel
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There are 5 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
27 28first strand
Strand 2
A
33 37anti-parallel
Strand 3
A
105 109anti-parallel
Strand 4
A
73 77anti-parallel
Strand 5
A
80 84anti-parallel
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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
117 120first strand
Strand 2
A
154 157anti-parallel
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There are 3 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
161 163first strand
Strand 2
A
184 187anti-parallel
Strand 3
A
248 249anti-parallel
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There are 5 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
167 171first strand
Strand 2
B
4 12parallel
Strand 3
A
266 278anti-parallel
Strand 4
A
191 198anti-parallel
Strand 5
A
238 243anti-parallel
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There are 4 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
178 180first strand
Strand 2
A
253 258anti-parallel
Strand 3
A
221 227anti-parallel
Strand 4
A
230 231anti-parallel
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There are 4 strands in AA9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
10 11first strand
Strand 2
C
2 5anti-parallel
Strand 3
C
42 45anti-parallel
Strand 4
C
101 102anti-parallel
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There are 4 strands in AB1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
16 22first strand
Strand 2
C
142 150parallel
Strand 3
C
125 135anti-parallel
Strand 4
C
63 64anti-parallel
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There are 5 strands in AB2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
16 22first strand
Strand 2
C
142 150parallel
Strand 3
C
125 135anti-parallel
Strand 4
C
54 58anti-parallel
Strand 5
C
93 95anti-parallel
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There are 5 strands in AB3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
27 28first strand
Strand 2
C
33 37anti-parallel
Strand 3
C
105 109anti-parallel
Strand 4
C
73 77anti-parallel
Strand 5
C
80 84anti-parallel
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There are 2 strands in AB4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
117 120first strand
Strand 2
C
154 157anti-parallel
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There are 3 strands in AB5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
161 163first strand
Strand 2
C
184 187anti-parallel
Strand 3
C
248 249anti-parallel
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There are 5 strands in AB6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
167 171first strand
Strand 2
D
4 12parallel
Strand 3
C
266 278anti-parallel
Strand 4
C
191 198anti-parallel
Strand 5
C
238 243anti-parallel
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There are 4 strands in AB7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
178 180first strand
Strand 2
C
253 258anti-parallel
Strand 3
C
221 227anti-parallel
Strand 4
C
230 231anti-parallel
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There are 4 strands in AB8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
10 11first strand
Strand 2
E
2 5anti-parallel
Strand 3
E
42 45anti-parallel
Strand 4
E
101 102anti-parallel
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There are 4 strands in AB9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
16 22first strand
Strand 2
E
142 150parallel
Strand 3
E
125 135anti-parallel
Strand 4
E
63 64anti-parallel
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There are 5 strands in AC1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
16 22first strand
Strand 2
E
142 150parallel
Strand 3
E
125 135anti-parallel
Strand 4
E
54 58anti-parallel
Strand 5
E
93 95anti-parallel
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There are 5 strands in AC2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
27 28first strand
Strand 2
E
33 37anti-parallel
Strand 3
E
105 109anti-parallel
Strand 4
E
73 77anti-parallel
Strand 5
E
80 84anti-parallel
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There are 2 strands in AC3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
117 120first strand
Strand 2
E
154 157anti-parallel
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There are 3 strands in AC4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
161 163first strand
Strand 2
E
184 187anti-parallel
Strand 3
E
248 249anti-parallel
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There are 5 strands in AC5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
167 171first strand
Strand 2
F
4 12parallel
Strand 3
E
266 278anti-parallel
Strand 4
E
191 198anti-parallel
Strand 5
E
238 243anti-parallel
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There are 4 strands in AC6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
178 180first strand
Strand 2
E
253 258anti-parallel
Strand 3
E
221 227anti-parallel
Strand 4
E
208 209anti-parallel
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There are 4 strands in AC7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
178 180first strand
Strand 2
E
253 258anti-parallel
Strand 3
E
221 227anti-parallel
Strand 4
E
230 231anti-parallel
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There are 4 strands in AC8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
10 11first strand
Strand 2
G
2 5anti-parallel
Strand 3
G
42 45anti-parallel
Strand 4
G
101 102anti-parallel
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There are 5 strands in AC9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
16 22first strand
Strand 2
G
142 150parallel
Strand 3
G
125 135anti-parallel
Strand 4
G
54 63anti-parallel
Strand 5
G
93 95anti-parallel
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There are 4 strands in AD1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
34 37first strand
Strand 2
G
105 111anti-parallel
Strand 3
G
71 77anti-parallel
Strand 4
G
80 84anti-parallel
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There are 2 strands in AD2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
118 120first strand
Strand 2
G
154 155anti-parallel
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There are 3 strands in AD3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
161 163first strand
Strand 2
G
184 187anti-parallel
Strand 3
G
248 249anti-parallel
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There are 5 strands in AD4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
167 171first strand
Strand 2
H
4 12parallel
Strand 3
G
266 278anti-parallel
Strand 4
G
191 198anti-parallel
Strand 5
G
238 243anti-parallel
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There are 4 strands in AD5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
178 180first strand
Strand 2
G
252 258anti-parallel
Strand 3
G
221 227anti-parallel
Strand 4
G
230 231anti-parallel
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