Analysis of interatomic Contacts of Structural Units in PDB entry:
3IMI


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 3IMI entry

There are 4 chains in PDB entry 3IMI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 2LYS 144
B
 HIS 3LYS 144
C
 THR 4LYS 144
D
 ASN 2LYS 144
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 30 helices in PDB entry 3IMI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
4 7Right-handed 310
Helix 2
2
A
8 15Right-handed alpha
Helix 3
3
A
53 57Right-handed 310
Helix 4
4
A
58 68Right-handed alpha
Helix 5
5
A
68 81Right-handed alpha
Helix 6
6
A
92 96Right-handed 310
Helix 7
7
A
123 127Right-handed 310
Helix 8
8
A
128 143Right-handed alpha
Helix 9
9
B
8 15Right-handed alpha
Helix 10
10
B
53 57Right-handed 310
Helix 11
11
B
58 68Right-handed alpha
Helix 12
12
B
68 81Right-handed alpha
Helix 13
13
B
92 96Right-handed 310
Helix 14
14
B
123 127Right-handed 310
Helix 15
15
B
128 141Right-handed alpha
Helix 16
16
C
8 15Right-handed alpha
Helix 17
17
C
53 57Right-handed 310
Helix 18
18
C
58 68Right-handed alpha
Helix 19
19
C
68 81Right-handed alpha
Helix 20
20
C
92 96Right-handed 310
Helix 21
21
C
123 127Right-handed 310
Helix 22
22
C
128 141Right-handed alpha
Helix 23
23
D
4 7Right-handed 310
Helix 24
24
D
8 15Right-handed alpha
Helix 25
25
D
53 57Right-handed 310
Helix 26
26
D
58 68Right-handed alpha
Helix 27
27
D
68 81Right-handed alpha
Helix 28
28
D
92 96Right-handed 310
Helix 29
29
D
123 127Right-handed 310
Helix 30
30
D
128 141Right-handed alpha
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There are 4 sheets in PDB entry 3IMI. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 10 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
22 25first strand
Strand 2
A
29 33anti-parallel
Strand 3
A
43 47anti-parallel
Strand 4
A
104 109anti-parallel
Strand 5
A
84 91anti-parallel
Strand 6
B
84 91anti-parallel
Strand 7
B
104 109anti-parallel
Strand 8
B
43 47anti-parallel
Strand 9
B
29 33anti-parallel
Strand 10
B
22 25anti-parallel
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There are 2 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
116 120first strand
Strand 2
B
116 120anti-parallel
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There are 10 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
22 25first strand
Strand 2
C
29 33anti-parallel
Strand 3
C
43 47anti-parallel
Strand 4
C
104 109anti-parallel
Strand 5
C
84 91anti-parallel
Strand 6
D
84 91anti-parallel
Strand 7
D
104 109anti-parallel
Strand 8
D
43 47anti-parallel
Strand 9
D
29 33anti-parallel
Strand 10
D
22 25anti-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
C
116 120first strand
Strand 2
D
116 120anti-parallel
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