Analysis of interatomic Contacts of Structural Units in PDB entry:
2XFL


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 2XFL entry

There are 8 chains in PDB entry 2XFL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 9TYR 145
B
 ASP 9ALA 149
C
 ASP 9ARG 144
D
 ASP 9ALA 149
E
 ASP 9ARG 144
F
 ASP 9ALA 146
G
 ASP 9ALA 149
H
 ASP 9ALA 149
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 32 helices in PDB entry 2XFL. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
18 21Right-handed 310
Helix 2
2
A
31 49Right-handed alpha
Helix 3
3
A
49 56Right-handed alpha
Helix 4
4
A
135 144Right-handed alpha
Helix 5
5
B
18 21Right-handed 310
Helix 6
6
B
31 49Right-handed alpha
Helix 7
7
B
49 58Right-handed alpha
Helix 8
8
B
135 144Right-handed alpha
Helix 9
9
C
18 21Right-handed 310
Helix 10
10
C
31 49Right-handed alpha
Helix 11
11
C
49 57Right-handed alpha
Helix 12
12
C
135 143Right-handed alpha
Helix 13
13
D
18 21Right-handed 310
Helix 14
14
D
31 49Right-handed alpha
Helix 15
15
D
51 56Right-handed alpha
Helix 16
16
D
135 143Right-handed alpha
Helix 17
17
E
18 21Right-handed 310
Helix 18
18
E
31 49Right-handed alpha
Helix 19
19
E
49 57Right-handed alpha
Helix 20
20
E
135 144Right-handed alpha
Helix 21
21
F
18 21Right-handed 310
Helix 22
22
F
31 49Right-handed alpha
Helix 23
23
F
49 56Right-handed alpha
Helix 24
24
F
135 144Right-handed alpha
Helix 25
25
G
18 21Right-handed 310
Helix 26
26
G
31 49Right-handed alpha
Helix 27
27
G
49 56Right-handed alpha
Helix 28
28
G
135 143Right-handed alpha
Helix 29
29
H
18 21Right-handed 310
Helix 30
30
H
31 49Right-handed alpha
Helix 31
31
H
49 56Right-handed alpha
Helix 32
32
H
135 144Right-handed alpha
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There are 20 sheets in PDB entry 2XFL. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, CA, BA, BB, BC, BD, A, EA, EB, EC, ED, FA, GA, GB, GC, GD, HA,

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
11 16first strand
Strand 2
A
80 91anti-parallel
Strand 3
A
94 105anti-parallel
Strand 4
A
110 124anti-parallel
Strand 5
A
129 131anti-parallel
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There are 8 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
11 16first strand
Strand 2
A
80 91anti-parallel
Strand 3
A
94 105anti-parallel
Strand 4
A
110 124anti-parallel
Strand 5
A
60 71anti-parallel
Strand 6
C
60 71anti-parallel
Strand 7
C
110 124anti-parallel
Strand 8
C
129 131anti-parallel
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There are 10 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
11 16first strand
Strand 2
A
80 91anti-parallel
Strand 3
A
94 105anti-parallel
Strand 4
A
110 124anti-parallel
Strand 5
A
60 71anti-parallel
Strand 6
C
60 71anti-parallel
Strand 7
C
110 124anti-parallel
Strand 8
C
94 105anti-parallel
Strand 9
C
80 91anti-parallel
Strand 10
C
11 16anti-parallel
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There are 2 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
129 131first strand
Strand 2
A
110 124anti-parallel
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There are 2 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
129 131first strand
Strand 2
C
110 124anti-parallel
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There are 5 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
11 16first strand
Strand 2
B
80 91anti-parallel
Strand 3
B
94 105anti-parallel
Strand 4
B
110 125anti-parallel
Strand 5
B
128 131anti-parallel
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There are 8 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
11 16first strand
Strand 2
B
80 91anti-parallel
Strand 3
B
94 105anti-parallel
Strand 4
B
110 125anti-parallel
Strand 5
B
60 71anti-parallel
Strand 6
D
60 71anti-parallel
Strand 7
D
110 123anti-parallel
Strand 8
D
130 131anti-parallel
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There are 10 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
11 16first strand
Strand 2
B
80 91anti-parallel
Strand 3
B
94 105anti-parallel
Strand 4
B
110 125anti-parallel
Strand 5
B
60 71anti-parallel
Strand 6
D
60 71anti-parallel
Strand 7
D
110 123anti-parallel
Strand 8
D
94 105anti-parallel
Strand 9
D
80 91anti-parallel
Strand 10
D
11 16anti-parallel
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There are 2 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
128 131first strand
Strand 2
B
110 125anti-parallel
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There are 2 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
130 131first strand
Strand 2
D
110 123anti-parallel
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There are 5 strands in EA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
11 16first strand
Strand 2
E
80 91anti-parallel
Strand 3
E
94 105anti-parallel
Strand 4
E
110 124anti-parallel
Strand 5
E
129 131anti-parallel
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There are 8 strands in EB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
11 16first strand
Strand 2
E
80 91anti-parallel
Strand 3
E
94 105anti-parallel
Strand 4
E
110 124anti-parallel
Strand 5
E
60 71anti-parallel
Strand 6
F
60 71anti-parallel
Strand 7
F
110 124anti-parallel
Strand 8
F
129 131anti-parallel
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There are 10 strands in EC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
11 16first strand
Strand 2
E
80 91anti-parallel
Strand 3
E
94 105anti-parallel
Strand 4
E
110 124anti-parallel
Strand 5
E
60 71anti-parallel
Strand 6
F
60 71anti-parallel
Strand 7
F
110 124anti-parallel
Strand 8
F
94 105anti-parallel
Strand 9
F
80 91anti-parallel
Strand 10
F
11 16anti-parallel
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There are 2 strands in ED sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
129 131first strand
Strand 2
E
110 124anti-parallel
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There are 2 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
129 131first strand
Strand 2
F
110 124anti-parallel
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There are 5 strands in GA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
11 16first strand
Strand 2
G
80 91anti-parallel
Strand 3
G
94 105anti-parallel
Strand 4
G
110 123anti-parallel
Strand 5
G
130 131anti-parallel
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There are 8 strands in GB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
11 16first strand
Strand 2
G
80 91anti-parallel
Strand 3
G
94 105anti-parallel
Strand 4
G
110 123anti-parallel
Strand 5
G
60 71anti-parallel
Strand 6
H
60 71anti-parallel
Strand 7
H
110 124anti-parallel
Strand 8
H
129 131anti-parallel
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There are 10 strands in GC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
11 16first strand
Strand 2
G
80 91anti-parallel
Strand 3
G
94 105anti-parallel
Strand 4
G
110 123anti-parallel
Strand 5
G
60 71anti-parallel
Strand 6
H
60 71anti-parallel
Strand 7
H
110 124anti-parallel
Strand 8
H
94 105anti-parallel
Strand 9
H
80 91anti-parallel
Strand 10
H
11 16anti-parallel
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There are 2 strands in GD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
130 131first strand
Strand 2
G
110 123anti-parallel
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There are 2 strands in HA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
129 131first strand
Strand 2
H
110 124anti-parallel
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