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


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 2ARX entry

There are 2 chains in PDB entry 2ARX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 1ALA 241
B
 GLN 1ALA 241
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 7 helices in PDB entry 2ARX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
104 108Right-handed 310
Helix 2
2
A
112 116Right-handed 310
Helix 3
3
A
118 122Right-handed 310
Helix 4
4
A
202 206Right-handed 310
Helix 5
5
B
104 108Right-handed 310
Helix 6
6
B
112 116Right-handed 310
Helix 7
7
B
202 206Right-handed 310
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There are 7 sheets in PDB entry 2ARX. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G,

There are 7 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
25 27first strand
Strand 2
A
30 32anti-parallel
Strand 3
A
225 238anti-parallel
Strand 4
A
65 78anti-parallel
Strand 5
A
170 177anti-parallel
Strand 6
A
182 189anti-parallel
Strand 7
A
194 200anti-parallel
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There are 8 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
59 60first strand
Strand 2
A
65 78anti-parallel
Strand 3
A
225 238anti-parallel
Strand 4
A
3 8anti-parallel
Strand 5
B
3 8anti-parallel
Strand 6
B
225 239anti-parallel
Strand 7
B
30 32anti-parallel
Strand 8
B
25 27anti-parallel
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There are 12 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
25 27first strand
Strand 2
A
30 32anti-parallel
Strand 3
A
225 238anti-parallel
Strand 4
A
3 8anti-parallel
Strand 5
B
3 8anti-parallel
Strand 6
B
225 239anti-parallel
Strand 7
B
65 78anti-parallel
Strand 8
B
59 60anti-parallel
Strand 9
B
65 78anti-parallel
Strand 10
B
170 177anti-parallel
Strand 11
B
182 189anti-parallel
Strand 12
B
194 200anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
18 22first strand
Strand 2
A
46 52anti-parallel
Strand 3
A
210 219anti-parallel
Strand 4
A
56 57anti-parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
18 22first strand
Strand 2
A
46 52anti-parallel
Strand 3
A
210 219anti-parallel
Strand 4
A
87 93anti-parallel
Strand 5
A
125 130anti-parallel
Strand 6
A
146 151anti-parallel
Strand 7
A
158 161anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
18 22first strand
Strand 2
B
46 52anti-parallel
Strand 3
B
210 219anti-parallel
Strand 4
B
56 57anti-parallel
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There are 7 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
18 22first strand
Strand 2
B
46 52anti-parallel
Strand 3
B
210 219anti-parallel
Strand 4
B
87 93anti-parallel
Strand 5
B
125 130anti-parallel
Strand 6
B
146 151anti-parallel
Strand 7
B
158 161anti-parallel
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