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


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 2EPI entry

There are 4 chains in PDB entry 2EPI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 2GLU 99
B
 PHE 3GLY 98
C
 MET 4LEU 100
D
 MET 4LEU 100
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 12 helices in PDB entry 2EPI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
22 34Right-handed alpha
Helix 2
2
A
53 69Right-handed alpha
Helix 3
3
A
89 97Right-handed alpha
Helix 4
4
B
22 35Right-handed alpha
Helix 5
5
B
53 71Right-handed alpha
Helix 6
6
B
89 97Right-handed alpha
Helix 7
7
C
22 36Right-handed alpha
Helix 8
8
C
53 69Right-handed alpha
Helix 9
9
C
89 97Right-handed alpha
Helix 10
10
D
22 36Right-handed alpha
Helix 11
11
D
53 69Right-handed alpha
Helix 12
12
D
89 97Right-handed alpha
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There are 2 sheets in PDB entry 2EPI. Click on sheet of interest to get list of strands forming it: A, B,

There are 8 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
39 43first strand
Strand 2
A
46 52anti-parallel
Strand 3
A
6 16anti-parallel
Strand 4
A
73 83anti-parallel
Strand 5
C
73 83anti-parallel
Strand 6
C
6 15anti-parallel
Strand 7
C
46 52anti-parallel
Strand 8
C
39 43anti-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
B
39 43first strand
Strand 2
B
46 52anti-parallel
Strand 3
B
6 16anti-parallel
Strand 4
B
73 83anti-parallel
Strand 5
D
73 83anti-parallel
Strand 6
D
6 16anti-parallel
Strand 7
D
46 52anti-parallel
Strand 8
D
39 43anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il