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


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 4IXW entry

There are 2 chains in PDB entry 4IXW (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 2PRO 250
B
 SER 2GLY 251
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 24 helices in PDB entry 4IXW. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
13 24Right-handed alpha
Helix 2
2
A
33 36Right-handed 310
Helix 3
3
A
37 48Right-handed alpha
Helix 4
4
A
58 71Right-handed alpha
Helix 5
5
A
88 92Right-handed 310
Helix 6
6
A
93 105Right-handed alpha
Helix 7
7
A
105 122Right-handed alpha
Helix 8
8
A
142 163Right-handed alpha
Helix 9
9
A
188 193Right-handed alpha
Helix 10
10
A
195 206Right-handed alpha
Helix 11
11
A
213 225Right-handed alpha
Helix 12
12
A
229 233Right-handed 310
Helix 13
13
B
13 24Right-handed alpha
Helix 14
14
B
32 36Right-handed 310
Helix 15
15
B
37 48Right-handed alpha
Helix 16
16
B
58 71Right-handed alpha
Helix 17
17
B
88 92Right-handed 310
Helix 18
18
B
93 105Right-handed alpha
Helix 19
19
B
105 122Right-handed alpha
Helix 20
20
B
142 164Right-handed alpha
Helix 21
21
B
188 193Right-handed alpha
Helix 22
22
B
195 206Right-handed alpha
Helix 23
23
B
213 226Right-handed alpha
Helix 24
24
B
229 233Right-handed 310
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There are 2 sheets in PDB entry 4IXW. 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
52 53first strand
Strand 2
A
27 30parallel
Strand 3
A
3 6parallel
Strand 4
A
75 79parallel
Strand 5
A
126 130parallel
Strand 6
A
170 175parallel
Strand 7
A
236 239parallel
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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
B
52 53first strand
Strand 2
B
27 30parallel
Strand 3
B
3 6parallel
Strand 4
B
75 79parallel
Strand 5
B
126 130parallel
Strand 6
B
170 175parallel
Strand 7
B
236 239parallel
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