Analysis of interatomic Contacts of Structural Units in PDB entry:
2X2M


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 2X2M entry

There are 4 chains in PDB entry 2X2M (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 700SER 904
A
 VAL 906ARG 1013
B
 GLY 700SER 904
B
 VAL 906LYS 1011
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 28 helices in PDB entry 2X2M. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
700 707Right-handed alpha
Helix 2
2
A
720 722Right-handed 310
Helix 3
3
A
765 782Right-handed alpha
Helix 4
4
A
811 818Right-handed alpha
Helix 5
5
A
847 868Right-handed alpha
Helix 6
6
A
876 878Right-handed 310
Helix 7
7
A
914 918Right-handed 310
Helix 8
8
A
919 926Right-handed alpha
Helix 9
9
A
929 946Right-handed alpha
Helix 10
10
A
956 958Right-handed 310
Helix 11
11
A
959 966Right-handed alpha
Helix 12
12
A
977 988Right-handed alpha
Helix 13
13
A
991 995Right-handed 310
Helix 14
14
A
997 1013Right-handed alpha
Helix 15
15
B
700 707Right-handed alpha
Helix 16
16
B
720 722Right-handed 310
Helix 17
17
B
765 780Right-handed alpha
Helix 18
18
B
811 818Right-handed alpha
Helix 19
19
B
847 868Right-handed alpha
Helix 20
20
B
876 878Right-handed 310
Helix 21
21
B
914 918Right-handed 310
Helix 22
22
B
919 926Right-handed alpha
Helix 23
23
B
929 946Right-handed alpha
Helix 24
24
B
956 958Right-handed 310
Helix 25
25
B
959 966Right-handed alpha
Helix 26
26
B
977 988Right-handed alpha
Helix 27
27
B
991 995Right-handed 310
Helix 28
28
B
997 1011Right-handed alpha
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There are 8 sheets in PDB entry 2X2M. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD,

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
724 731first strand
Strand 2
A
737 746anti-parallel
Strand 3
A
749 759anti-parallel
Strand 4
A
801 805anti-parallel
Strand 5
A
790 794anti-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
870 871first strand
Strand 2
A
897 898anti-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
880 883first strand
Strand 2
A
887 890anti-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
905 906first strand
Strand 2
A
927 928anti-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
724 731first strand
Strand 2
B
738 744anti-parallel
Strand 3
B
752 759anti-parallel
Strand 4
B
801 804anti-parallel
Strand 5
B
790 794anti-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
870 871first strand
Strand 2
B
897 898anti-parallel
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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
880 883first strand
Strand 2
B
887 890anti-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
905 906first strand
Strand 2
B
927 928anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il