Analysis of interatomic Contacts of Structural Units in PDB entry:
4EP1


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 4EP1 entry

There are 2 chains in PDB entry 4EP1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 4VAL 312
B
 VAL 4VAL 312
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 28 helices in PDB entry 4EP1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 20Right-handed 310
Helix 2
2
A
21 38Right-handed alpha
Helix 3
3
A
57 71Right-handed alpha
Helix 4
4
A
92 102Right-handed alpha
Helix 5
5
A
111 122Right-handed alpha
Helix 6
6
A
135 151Right-handed alpha
Helix 7
7
A
165 179Right-handed alpha
Helix 8
8
A
193 208Right-handed alpha
Helix 9
9
A
216 222Right-handed alpha
Helix 10
10
A
240 248Right-handed alpha
Helix 11
11
A
249 251Right-handed 310
Helix 12
12
A
253 258Right-handed alpha
Helix 13
13
A
279 284Right-handed alpha
Helix 14
14
A
289 310Right-handed alpha
Helix 15
15
B
16 20Right-handed 310
Helix 16
16
B
21 38Right-handed alpha
Helix 17
17
B
57 71Right-handed alpha
Helix 18
18
B
92 102Right-handed alpha
Helix 19
19
B
111 122Right-handed alpha
Helix 20
20
B
135 151Right-handed alpha
Helix 21
21
B
165 179Right-handed alpha
Helix 22
22
B
193 208Right-handed alpha
Helix 23
23
B
216 222Right-handed alpha
Helix 24
24
B
240 248Right-handed alpha
Helix 25
25
B
249 251Right-handed 310
Helix 26
26
B
253 258Right-handed alpha
Helix 27
27
B
279 284Right-handed alpha
Helix 28
28
B
289 310Right-handed alpha
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There are 4 sheets in PDB entry 4EP1. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 4 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
74 79first strand
Strand 2
A
48 53parallel
Strand 3
A
104 108parallel
Strand 4
A
126 130parallel
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There are 5 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
211 214first strand
Strand 2
A
181 185parallel
Strand 3
A
157 161parallel
Strand 4
A
226 229parallel
Strand 5
A
265 268parallel
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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
B
74 79first strand
Strand 2
B
48 53parallel
Strand 3
B
104 108parallel
Strand 4
B
126 130parallel
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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
211 214first strand
Strand 2
B
181 185parallel
Strand 3
B
157 161parallel
Strand 4
B
226 229parallel
Strand 5
B
265 268parallel
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