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


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 2XMA entry

There are 8 chains in PDB entry 2XMA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY -2GLN 136
B
 THR 2GLN 136
C
 G 11 A 44
D
 G 11 A 44
E
 GLY -2ASP 138
F
 GLY -2GLN 136
G
 G 11 A 44
H
 A 12 A 44
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 2XMA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
29 32Right-handed 310
Helix 2
2
A
36 54Right-handed alpha
Helix 3
3
A
79 99Right-handed alpha
Helix 4
4
A
100 105Right-handed 310
Helix 5
5
A
125 136Right-handed alpha
Helix 6
6
B
29 32Right-handed 310
Helix 7
7
B
36 54Right-handed alpha
Helix 8
8
B
79 99Right-handed alpha
Helix 9
9
B
100 105Right-handed 310
Helix 10
10
B
125 136Right-handed alpha
Helix 11
11
E
29 32Right-handed 310
Helix 12
12
E
37 54Right-handed alpha
Helix 13
13
E
79 99Right-handed alpha
Helix 14
14
E
100 105Right-handed 310
Helix 15
15
E
125 135Right-handed alpha
Helix 16
16
F
30 32Right-handed 310
Helix 17
17
F
36 54Right-handed alpha
Helix 18
18
F
79 99Right-handed alpha
Helix 19
19
F
100 105Right-handed 310
Helix 20
20
F
125 135Right-handed alpha
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There are 2 sheets in PDB entry 2XMA. Click on sheet of interest to get list of strands forming it: AA, AB,

There are 6 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
57 64first strand
Strand 2
A
67 74anti-parallel
Strand 3
A
16 27parallel
Strand 4
A
-1 12anti-parallel
Strand 5
F
-1 13anti-parallel
Strand 6
F
16 28anti-parallel
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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
57 64first strand
Strand 2
B
16 27anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il