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


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 2XWM entry

There are 2 chains in PDB entry 2XWM (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2HIS 221
B
 ALA 2HIS 223
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 23 helices in PDB entry 2XWM. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
21 24Right-handed 310
Helix 2
2
A
32 44Right-handed alpha
Helix 3
3
A
54 56Right-handed 310
Helix 4
4
A
57 66Right-handed alpha
Helix 5
5
A
78 88Right-handed alpha
Helix 6
6
A
107 121Right-handed alpha
Helix 7
7
A
149 151Right-handed 310
Helix 8
8
A
164 173Right-handed alpha
Helix 9
9
A
181 188Right-handed alpha
Helix 10
10
A
199 203Right-handed 310
Helix 11
11
A
207 220Right-handed alpha
Helix 12
12
B
14 18Right-handed 310
Helix 13
13
B
21 24Right-handed 310
Helix 14
14
B
32 43Right-handed alpha
Helix 15
15
B
54 56Right-handed 310
Helix 16
16
B
57 66Right-handed alpha
Helix 17
17
B
78 89Right-handed alpha
Helix 18
18
B
107 120Right-handed alpha
Helix 19
19
B
149 151Right-handed 310
Helix 20
20
B
164 173Right-handed alpha
Helix 21
21
B
181 188Right-handed alpha
Helix 22
22
B
199 203Right-handed 310
Helix 23
23
B
207 223Right-handed alpha
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There are 7 sheets in PDB entry 2XWM. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB,

There are 9 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
70 74first strand
Strand 2
A
48 53parallel
Strand 3
A
3 8parallel
Strand 4
A
95 98parallel
Strand 5
A
160 163anti-parallel
Strand 6
A
124 129anti-parallel
Strand 7
A
153 156anti-parallel
Strand 8
B
135 138anti-parallel
Strand 9
B
144 146anti-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
70 74first strand
Strand 2
A
48 53parallel
Strand 3
A
3 8parallel
Strand 4
A
95 98parallel
Strand 5
A
160 163anti-parallel
Strand 6
A
124 129anti-parallel
Strand 7
A
194 197anti-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
26 27first strand
Strand 2
A
30 31anti-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
144 146first strand
Strand 2
A
135 138anti-parallel
Strand 3
B
153 156anti-parallel
Strand 4
B
124 129anti-parallel
Strand 5
B
194 197anti-parallel
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There are 9 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
144 146first strand
Strand 2
A
135 138anti-parallel
Strand 3
B
153 156anti-parallel
Strand 4
B
124 129anti-parallel
Strand 5
B
160 163anti-parallel
Strand 6
B
95 98anti-parallel
Strand 7
B
3 8parallel
Strand 8
B
48 53parallel
Strand 9
B
70 74parallel
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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
194 197first strand
Strand 2
B
124 129anti-parallel
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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
26 27first strand
Strand 2
B
30 31anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il