Analysis of interatomic Contacts of Structural Units in PDB entry:
1EP1


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 1EP1 entry

There are 2 chains in PDB entry 1EP1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 3LYS 311
B
 SER 2LEU 262
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 21 helices in PDB entry 1EP1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
4 8Right-handed 310
Helix 2
2
A
30 35Right-handed alpha
Helix 3
3
A
38 42Right-handed 310
Helix 4
4
A
80 87Right-handed alpha
Helix 5
5
A
87 96Right-handed alpha
Helix 6
6
A
109 121Right-handed alpha
Helix 7
7
A
148 163Right-handed alpha
Helix 8
8
A
178 188Right-handed alpha
Helix 9
9
A
222 224Right-handed 310
Helix 10
10
A
225 238Right-handed alpha
Helix 11
11
A
252 263Right-handed alpha
Helix 12
12
A
271 276Right-handed alpha
Helix 13
13
A
278 294Right-handed alpha
Helix 14
14
A
298 309Right-handed alpha
Helix 15
15
B
28 33Right-handed 310
Helix 16
16
B
78 84Right-handed alpha
Helix 17
17
B
121 134Right-handed alpha
Helix 18
18
B
149 151Right-handed 310
Helix 19
19
B
153 159Right-handed alpha
Helix 20
20
B
179 187Right-handed alpha
Helix 21
21
B
199 210Right-handed alpha
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There are 8 sheets in PDB entry 1EP1. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 2 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
9 11first strand
Strand 2
A
14 16anti-parallel
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There are 7 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
20 22first strand
Strand 2
A
244 246first strand
Strand 3
A
192 195parallel
Strand 4
A
167 170parallel
Strand 5
A
126 132parallel
Strand 6
A
101 105parallel
Strand 7
A
45 50parallel
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There are 4 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
63 66first strand
Strand 2
A
69 72anti-parallel
Strand 3
A
218 221anti-parallel
Strand 4
A
199 201anti-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
136 137first strand
Strand 2
A
143 144anti-parallel
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There are 2 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
204 205first strand
Strand 2
A
210 211anti-parallel
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There are 7 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
53 56first strand
Strand 2
B
39 42anti-parallel
Strand 3
B
91 98anti-parallel
Strand 4
B
5 17anti-parallel
Strand 5
B
20 26anti-parallel
Strand 6
B
66 72anti-parallel
Strand 7
B
59 61anti-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
176 177first strand
Strand 2
B
163 172parallel
Strand 3
B
139 147parallel
Strand 4
B
113 118parallel
Strand 5
B
193 197parallel
Strand 6
B
215 219parallel
Strand 7
B
254 256anti-parallel
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There are 2 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
235 237first strand
Strand 2
B
245 247anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il