Analysis of interatomic Contacts of Structural Units in PDB entry:
3ARN


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 3ARN entry

There are 3 chains in PDB entry 3ARN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 24LEU 148
B
 MET 24LEU 148
C
 MET 24LEU 148
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 3 helices in PDB entry 3ARN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
85 93Right-handed alpha
Helix 2
2
B
85 93Right-handed alpha
Helix 3
3
C
85 93Right-handed alpha
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There are 12 sheets in PDB entry 3ARN. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 3 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
70 73first strand
Strand 2
A
26 30anti-parallel
Strand 3
B
142 144parallel
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There are 4 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
47 51first strand
Strand 2
A
128 138anti-parallel
Strand 3
C
128 136anti-parallel
Strand 4
C
47 51anti-parallel
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There are 6 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
100 101first strand
Strand 2
A
78 83anti-parallel
Strand 3
A
128 138anti-parallel
Strand 4
C
128 136anti-parallel
Strand 5
C
78 83anti-parallel
Strand 6
C
100 101anti-parallel
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There are 2 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
56 58first strand
Strand 2
A
121 123anti-parallel
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There are 3 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
62 67first strand
Strand 2
A
110 115anti-parallel
Strand 3
A
94 97anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
142 144first strand
Strand 2
C
26 30parallel
Strand 3
C
70 73anti-parallel
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There are 3 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
70 73first strand
Strand 2
B
26 30anti-parallel
Strand 3
C
142 144parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
47 51first strand
Strand 2
B
128 136anti-parallel
Strand 3
B
78 83anti-parallel
Strand 4
B
100 101anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
56 58first strand
Strand 2
B
121 123anti-parallel
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There are 3 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
62 67first strand
Strand 2
B
110 115anti-parallel
Strand 3
B
94 97anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
56 58first strand
Strand 2
C
121 123anti-parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
62 67first strand
Strand 2
C
110 115anti-parallel
Strand 3
C
94 97anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il