Analysis of interatomic Contacts of Structural Units in PDB entry:
2IQI


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 2IQI entry

There are 8 chains in PDB entry 2IQI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 32THR 209
B
 THR 33THR 209
C
 THR 33THR 209
D
 THR 33THR 209
E
 THR 33THR 209
F
 ALA 32THR 209
G
 THR 33THR 209
H
 THR 33THR 209
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 16 helices in PDB entry 2IQI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
90 105Right-handed alpha
Helix 2
2
A
176 208Right-handed alpha
Helix 3
3
B
90 107Right-handed alpha
Helix 4
4
B
176 208Right-handed alpha
Helix 5
5
C
90 107Right-handed alpha
Helix 6
6
C
176 208Right-handed alpha
Helix 7
7
D
90 105Right-handed alpha
Helix 8
8
D
176 208Right-handed alpha
Helix 9
9
E
90 105Right-handed alpha
Helix 10
10
E
176 208Right-handed alpha
Helix 11
11
F
90 105Right-handed alpha
Helix 12
12
F
176 208Right-handed alpha
Helix 13
13
G
90 105Right-handed alpha
Helix 14
14
G
176 207Right-handed alpha
Helix 15
15
H
90 107Right-handed alpha
Helix 16
16
H
176 207Right-handed alpha
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There are 15 sheets in PDB entry 2IQI. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O,

There are 2 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
33 35first strand
Strand 2
A
85 87parallel
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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
80 81first strand
Strand 2
A
71 73anti-parallel
Strand 3
A
123 135parallel
Strand 4
A
53 56parallel
Strand 5
A
111 113parallel
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There are 5 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
80 81first strand
Strand 2
A
71 73anti-parallel
Strand 3
A
123 135parallel
Strand 4
A
143 154anti-parallel
Strand 5
A
159 171anti-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
B
34 35first strand
Strand 2
B
86 87parallel
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There are 5 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
80 81first strand
Strand 2
B
71 73anti-parallel
Strand 3
B
123 135parallel
Strand 4
B
54 56parallel
Strand 5
B
112 113parallel
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There are 5 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
80 81first strand
Strand 2
B
71 73anti-parallel
Strand 3
B
123 135parallel
Strand 4
B
143 154anti-parallel
Strand 5
B
159 171anti-parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
159 171first strand
Strand 2
C
143 154anti-parallel
Strand 3
C
123 135anti-parallel
Strand 4
C
54 56parallel
Strand 5
C
112 113parallel
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There are 6 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
123 135first strand
Strand 2
C
69 73parallel
Strand 3
C
80 87anti-parallel
Strand 4
C
34 35parallel
Strand 5
D
78 87anti-parallel
Strand 6
D
34 35parallel
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There are 9 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
78 87first strand
Strand 2
D
69 75anti-parallel
Strand 3
D
123 135parallel
Strand 4
D
54 56parallel
Strand 5
D
112 113parallel
Strand 6
D
54 56parallel
Strand 7
D
123 135parallel
Strand 8
D
143 154anti-parallel
Strand 9
D
159 171anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
60 61first strand
Strand 2
E
123 135parallel
Strand 3
E
143 154anti-parallel
Strand 4
E
159 171anti-parallel
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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
109 113first strand
Strand 2
F
50 56parallel
Strand 3
F
123 135parallel
Strand 4
F
143 154anti-parallel
Strand 5
F
159 171anti-parallel
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There are 12 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
109 113first strand
Strand 2
E
50 56parallel
Strand 3
E
123 135parallel
Strand 4
E
69 73parallel
Strand 5
E
80 87anti-parallel
Strand 6
E
34 35parallel
Strand 7
F
78 87anti-parallel
Strand 8
F
33 35parallel
Strand 9
F
78 87parallel
Strand 10
F
69 73anti-parallel
Strand 11
F
123 135parallel
Strand 12
F
60 61parallel
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There are 5 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
159 171first strand
Strand 2
G
143 154anti-parallel
Strand 3
G
123 135anti-parallel
Strand 4
G
54 56parallel
Strand 5
G
112 113parallel
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There are 5 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
112 113first strand
Strand 2
H
54 56parallel
Strand 3
H
123 135parallel
Strand 4
H
143 154anti-parallel
Strand 5
H
159 171anti-parallel
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There are 9 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
123 135first strand
Strand 2
G
69 73parallel
Strand 3
G
80 87anti-parallel
Strand 4
G
34 35parallel
Strand 5
H
78 87anti-parallel
Strand 6
H
34 35parallel
Strand 7
H
78 87parallel
Strand 8
H
69 73anti-parallel
Strand 9
H
123 135parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il