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


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 4ETW entry

There are 4 chains in PDB entry 4ETW (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 3LEU 257
C
 ASN 3LEU 257
D
 SER 500HIS 574
B
 SER 500HIS 574
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 32 helices in PDB entry 4ETW. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 31Right-handed 310
Helix 2
2
A
32 38Right-handed alpha
Helix 3
3
A
60 70Right-handed alpha
Helix 4
4
A
82 95Right-handed alpha
Helix 5
5
A
121 134Right-handed alpha
Helix 6
6
A
135 149Right-handed alpha
Helix 7
7
A
153 168Right-handed alpha
Helix 8
8
A
172 186Right-handed alpha
Helix 9
9
A
190 195Right-handed 310
Helix 10
10
A
213 222Right-handed alpha
Helix 11
11
A
236 241Right-handed alpha
Helix 12
12
A
241 257Right-handed alpha
Helix 13
13
C
25 31Right-handed 310
Helix 14
14
C
32 38Right-handed alpha
Helix 15
15
C
60 70Right-handed alpha
Helix 16
16
C
82 95Right-handed alpha
Helix 17
17
C
121 134Right-handed alpha
Helix 18
18
C
135 149Right-handed alpha
Helix 19
19
C
153 168Right-handed alpha
Helix 20
20
C
172 186Right-handed alpha
Helix 21
21
C
190 195Right-handed 310
Helix 22
22
C
213 222Right-handed alpha
Helix 23
23
C
236 241Right-handed alpha
Helix 24
24
C
241 257Right-handed alpha
Helix 25
25
D
501 515Right-handed alpha
Helix 26
26
D
534 550Right-handed alpha
Helix 27
27
D
554 559Right-handed alpha
Helix 28
28
D
563 573Right-handed alpha
Helix 29
29
B
501 515Right-handed alpha
Helix 30
30
B
534 550Right-handed alpha
Helix 31
31
B
554 559Right-handed alpha
Helix 32
32
B
563 573Right-handed alpha
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There are 2 sheets in PDB entry 4ETW. Click on sheet of interest to get list of strands forming it: A, B,

There are 7 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
6 9first strand
Strand 2
A
40 45anti-parallel
Strand 3
A
14 19parallel
Strand 4
A
76 81parallel
Strand 5
A
99 105parallel
Strand 6
A
199 204parallel
Strand 7
A
226 230parallel
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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
C
6 9first strand
Strand 2
C
40 45anti-parallel
Strand 3
C
14 19parallel
Strand 4
C
76 81parallel
Strand 5
C
99 105parallel
Strand 6
C
199 204parallel
Strand 7
C
226 230parallel
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