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


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 4IZB entry

There are 2 chains in PDB entry 4IZB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 4ALA 248
B
 THR 2ARG 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 27 helices in PDB entry 4IZB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
28 32Right-handed 310
Helix 2
2
A
36 50Right-handed alpha
Helix 3
3
A
72 80Right-handed alpha
Helix 4
4
A
82 103Right-handed alpha
Helix 5
5
A
117 125Right-handed alpha
Helix 6
6
A
139 145Right-handed 310
Helix 7
7
A
151 161Right-handed alpha
Helix 8
8
A
161 172Right-handed alpha
Helix 9
9
A
177 184Right-handed alpha
Helix 10
10
A
193 207Right-handed alpha
Helix 11
11
A
209 217Right-handed alpha
Helix 12
12
A
218 224Right-handed alpha
Helix 13
13
A
227 244Right-handed alpha
Helix 14
14
B
28 32Right-handed 310
Helix 15
15
B
36 54Right-handed alpha
Helix 16
16
B
72 80Right-handed alpha
Helix 17
17
B
82 103Right-handed alpha
Helix 18
18
B
117 125Right-handed alpha
Helix 19
19
B
139 145Right-handed 310
Helix 20
20
B
151 161Right-handed alpha
Helix 21
21
B
161 172Right-handed alpha
Helix 22
22
B
177 184Right-handed alpha
Helix 23
23
B
193 207Right-handed alpha
Helix 24
24
B
209 217Right-handed alpha
Helix 25
25
B
218 224Right-handed alpha
Helix 26
26
B
227 243Right-handed alpha
Helix 27
27
B
245 250Right-handed alpha
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There are 4 sheets in PDB entry 4IZB. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 6 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
12 16first strand
Strand 2
A
21 26anti-parallel
Strand 3
A
57 62parallel
Strand 4
A
107 110parallel
Strand 5
A
128 131parallel
Strand 6
A
188 189parallel
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There are 3 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
114 116first strand
Strand 2
A
136 138parallel
Strand 3
A
175 176anti-parallel
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There are 6 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
12 16first strand
Strand 2
B
21 26anti-parallel
Strand 3
B
57 62parallel
Strand 4
B
107 110parallel
Strand 5
B
128 131parallel
Strand 6
B
188 189parallel
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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
B
114 116first strand
Strand 2
B
136 138parallel
Strand 3
B
175 176anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il