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


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 2XRF entry

There are 3 chains in PDB entry 2XRF (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 23LEU 315
B
 ARG 23LEU 315
C
 ARG 23LEU 315
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 30 helices in PDB entry 2XRF. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
31 35Right-handed 310
Helix 2
2
A
51 57Right-handed alpha
Helix 3
3
A
67 82Right-handed alpha
Helix 4
4
A
117 135Right-handed alpha
Helix 5
5
A
189 201Right-handed alpha
Helix 6
6
A
220 224Right-handed 310
Helix 7
7
A
234 248Right-handed alpha
Helix 8
8
A
256 267Right-handed alpha
Helix 9
9
A
290 299Right-handed alpha
Helix 10
10
A
299 313Right-handed alpha
Helix 11
11
B
31 35Right-handed 310
Helix 12
12
B
51 57Right-handed alpha
Helix 13
13
B
67 82Right-handed alpha
Helix 14
14
B
117 135Right-handed alpha
Helix 15
15
B
189 201Right-handed alpha
Helix 16
16
B
220 224Right-handed 310
Helix 17
17
B
234 248Right-handed alpha
Helix 18
18
B
256 266Right-handed alpha
Helix 19
19
B
290 299Right-handed alpha
Helix 20
20
B
299 314Right-handed alpha
Helix 21
21
C
31 35Right-handed 310
Helix 22
22
C
51 57Right-handed alpha
Helix 23
23
C
67 82Right-handed alpha
Helix 24
24
C
117 135Right-handed alpha
Helix 25
25
C
189 201Right-handed alpha
Helix 26
26
C
220 224Right-handed 310
Helix 27
27
C
234 248Right-handed alpha
Helix 28
28
C
256 267Right-handed alpha
Helix 29
29
C
290 299Right-handed alpha
Helix 30
30
C
299 314Right-handed alpha
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There are 9 sheets in PDB entry 2XRF. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA, BB, BC, CA, CB, CC,

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
39 40first strand
Strand 2
A
45 46anti-parallel
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There are 7 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
61 65first strand
Strand 2
A
141 150parallel
Strand 3
A
250 254anti-parallel
Strand 4
A
208 215parallel
Strand 5
A
158 165parallel
Strand 6
A
270 280anti-parallel
Strand 7
A
61 65first strand
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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
172 177first strand
Strand 2
A
180 185anti-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
39 40first strand
Strand 2
B
45 46anti-parallel
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There are 7 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
61 65first strand
Strand 2
B
141 150parallel
Strand 3
B
250 254anti-parallel
Strand 4
B
208 215parallel
Strand 5
B
158 165parallel
Strand 6
B
270 280anti-parallel
Strand 7
B
61 65first strand
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There are 2 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
172 177first strand
Strand 2
B
180 185anti-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
39 40first strand
Strand 2
C
45 46anti-parallel
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There are 7 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
61 65first strand
Strand 2
C
141 150parallel
Strand 3
C
250 254anti-parallel
Strand 4
C
208 215parallel
Strand 5
C
158 165parallel
Strand 6
C
270 280anti-parallel
Strand 7
C
61 65first strand
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There are 2 strands in CC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
173 177first strand
Strand 2
C
180 184anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il