Analysis of interatomic Contacts of Structural Units in PDB entry:
1EPR


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 1EPR entry

There are 2 chains in PDB entry 1EPR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
E
 SER -2GLN 134
E
 LYS 136LYS 326
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 8 helices in PDB entry 1EPR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
E
46 50Right-handed 310
Helix 2
2
E
57 61Right-handed 310
Helix 3
3
E
108 113Right-handed alpha
Helix 4
4
E
125 129Right-handed 310
Helix 5
5
E
137 143Right-handed alpha
Helix 6
6
E
224 233Right-handed alpha
Helix 7
7
E
269 273Right-handed alpha
Helix 8
8
E
303 308Right-handed alpha
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There are 5 sheets in PDB entry 1EPR. Click on sheet of interest to get list of strands forming it: A, B, C, D, E,

There are 9 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
64 74first strand
Strand 2
E
80 91anti-parallel
Strand 3
E
14 20anti-parallel
Strand 4
E
0 6anti-parallel
Strand 5
E
163 167anti-parallel
Strand 6
E
150 154anti-parallel
Strand 7
E
310 315anti-parallel
Strand 8
E
320 325anti-parallel
Strand 9
E
180 183anti-parallel
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There are 13 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
64 74first strand
Strand 2
E
80 91anti-parallel
Strand 3
E
94 107anti-parallel
Strand 4
E
39 40parallel
Strand 5
E
119 122anti-parallel
Strand 6
E
25 32parallel
Strand 7
E
14 20anti-parallel
Strand 8
E
0 6anti-parallel
Strand 9
E
163 167anti-parallel
Strand 10
E
150 154anti-parallel
Strand 11
E
310 315anti-parallel
Strand 12
E
320 325anti-parallel
Strand 13
E
180 183anti-parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
191 194first strand
Strand 2
E
207 214anti-parallel
Strand 3
E
300 302parallel
Strand 4
E
221 223anti-parallel
Strand 5
E
287 289parallel
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There are 3 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
197 199first strand
Strand 2
E
257 261anti-parallel
Strand 3
E
264 268anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
238 240first strand
Strand 2
E
245 249anti-parallel
Strand 3
E
282 285anti-parallel
Strand 4
E
274 277anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il