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


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 3IMM entry

There are 3 chains in PDB entry 3IMM (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 26LEU 222
B
 ASN 26LEU 222
C
 ASN 26LEU 222
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 13 helices in PDB entry 3IMM. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
33 37Right-handed 310
Helix 2
2
A
117 121Right-handed 310
Helix 3
3
A
170 172Right-handed 310
Helix 4
4
A
191 195Right-handed 310
Helix 5
5
B
33 37Right-handed 310
Helix 6
6
B
110 115Right-handed alpha
Helix 7
7
B
117 121Right-handed 310
Helix 8
8
B
170 172Right-handed 310
Helix 9
9
B
191 195Right-handed 310
Helix 10
10
C
110 115Right-handed alpha
Helix 11
11
C
117 121Right-handed 310
Helix 12
12
C
170 172Right-handed 310
Helix 13
13
C
191 195Right-handed 310
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There are 9 sheets in PDB entry 3IMM. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

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
29 30first strand
Strand 2
A
212 221anti-parallel
Strand 3
A
70 78anti-parallel
Strand 4
A
143 151anti-parallel
Strand 5
A
154 159anti-parallel
Strand 6
A
162 168anti-parallel
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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
39 40first strand
Strand 2
A
61 63anti-parallel
Strand 3
A
200 203anti-parallel
Strand 4
A
83 90anti-parallel
Strand 5
A
101 106anti-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
46 49first strand
Strand 2
A
52 55anti-parallel
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There are 4 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
29 30first strand
Strand 2
B
212 221anti-parallel
Strand 3
B
52 55anti-parallel
Strand 4
B
46 49anti-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
29 30first strand
Strand 2
B
212 221anti-parallel
Strand 3
B
70 78anti-parallel
Strand 4
B
143 151anti-parallel
Strand 5
B
154 159anti-parallel
Strand 6
B
162 168anti-parallel
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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
39 40first strand
Strand 2
B
61 63anti-parallel
Strand 3
B
200 203anti-parallel
Strand 4
B
83 90anti-parallel
Strand 5
B
101 106anti-parallel
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There are 4 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
29 30first strand
Strand 2
C
212 221anti-parallel
Strand 3
C
52 55anti-parallel
Strand 4
C
46 49anti-parallel
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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
29 30first strand
Strand 2
C
212 221anti-parallel
Strand 3
C
70 78anti-parallel
Strand 4
C
143 151anti-parallel
Strand 5
C
154 159anti-parallel
Strand 6
C
162 168anti-parallel
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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
39 40first strand
Strand 2
C
61 63anti-parallel
Strand 3
C
200 203anti-parallel
Strand 4
C
83 90anti-parallel
Strand 5
C
101 106anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il