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


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 4IIR entry

There are 4 chains in PDB entry 4IIR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TRP 668PRO 848
A
 LEU 850GLU 1005
B
 ASP 670PRO 848
B
 LEU 850GLU 1005
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 29 helices in PDB entry 4IIR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
708 710Right-handed 310
Helix 2
2
A
723 743Right-handed alpha
Helix 3
3
A
774 782Right-handed alpha
Helix 4
4
A
788 809Right-handed alpha
Helix 5
5
A
817 819Right-handed 310
Helix 6
6
A
852 856Right-handed 310
Helix 7
7
A
857 863Right-handed alpha
Helix 8
8
A
868 885Right-handed alpha
Helix 9
9
A
893 906Right-handed alpha
Helix 10
10
A
909 916Right-handed alpha
Helix 11
11
A
954 960Right-handed alpha
Helix 12
12
A
966 984Right-handed alpha
Helix 13
13
A
993 999Right-handed alpha
Helix 14
14
A
1000 1005Right-handed alpha
Helix 15
15
B
708 710Right-handed 310
Helix 16
16
B
722 743Right-handed alpha
Helix 17
17
B
774 782Right-handed alpha
Helix 18
18
B
788 809Right-handed alpha
Helix 19
19
B
817 819Right-handed 310
Helix 20
20
B
852 856Right-handed 310
Helix 21
21
B
857 863Right-handed alpha
Helix 22
22
B
868 885Right-handed alpha
Helix 23
23
B
893 906Right-handed alpha
Helix 24
24
B
909 916Right-handed alpha
Helix 25
25
B
918 922Right-handed 310
Helix 26
26
B
954 960Right-handed alpha
Helix 27
27
B
967 984Right-handed alpha
Helix 28
28
B
993 999Right-handed alpha
Helix 29
29
B
1000 1005Right-handed alpha
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There are 8 sheets in PDB entry 4IIR. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
682 683first strand
Strand 2
A
687 694anti-parallel
Strand 3
A
700 706anti-parallel
Strand 4
A
713 718anti-parallel
Strand 5
A
762 767anti-parallel
Strand 6
A
753 759anti-parallel
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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
772 773first strand
Strand 2
A
821 823anti-parallel
Strand 3
A
830 832anti-parallel
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There are 2 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
811 812first strand
Strand 2
A
839 840anti-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
929 932first strand
Strand 2
A
943 946anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
682 683first strand
Strand 2
B
687 694anti-parallel
Strand 3
B
700 706anti-parallel
Strand 4
B
713 718anti-parallel
Strand 5
B
762 767anti-parallel
Strand 6
B
753 759anti-parallel
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There are 3 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
772 773first strand
Strand 2
B
821 823anti-parallel
Strand 3
B
830 832anti-parallel
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There are 2 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
811 812first strand
Strand 2
B
839 840anti-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
929 934first strand
Strand 2
B
941 946anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il