Analysis of interatomic Contacts of Structural Units in PDB entry:
3I7U


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 3I7U entry

There are 4 chains in PDB entry 3I7U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LYS 133
B
 MET 1LYS 133
C
 MET 1LEU 134
D
 MET 1LEU 134
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 3I7U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
39 53Right-handed alpha
Helix 2
2
A
106 113Right-handed alpha
Helix 3
3
A
115 133Right-handed alpha
Helix 4
4
B
39 53Right-handed alpha
Helix 5
5
B
106 113Right-handed alpha
Helix 6
6
B
115 131Right-handed alpha
Helix 7
7
C
39 53Right-handed alpha
Helix 8
8
C
106 113Right-handed alpha
Helix 9
9
C
115 130Right-handed alpha
Helix 10
10
C
131 133Right-handed 310
Helix 11
11
D
39 53Right-handed alpha
Helix 12
12
D
106 113Right-handed alpha
Helix 13
13
D
115 130Right-handed alpha
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There are 8 sheets in PDB entry 3I7U. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 5 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
27 28first strand
Strand 2
A
16 21anti-parallel
Strand 3
A
2 13anti-parallel
Strand 4
A
74 90parallel
Strand 5
A
54 71anti-parallel
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There are 4 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
31 33first strand
Strand 2
A
2 13anti-parallel
Strand 3
A
16 21anti-parallel
Strand 4
A
100 105anti-parallel
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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
B
27 28first strand
Strand 2
B
16 21anti-parallel
Strand 3
B
3 13anti-parallel
Strand 4
B
74 89parallel
Strand 5
B
55 71anti-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
31 33first strand
Strand 2
B
3 13anti-parallel
Strand 3
B
16 21anti-parallel
Strand 4
B
100 105anti-parallel
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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
C
27 28first strand
Strand 2
C
16 21anti-parallel
Strand 3
C
2 13anti-parallel
Strand 4
C
74 89parallel
Strand 5
C
55 71anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
31 33first strand
Strand 2
C
2 13anti-parallel
Strand 3
C
16 21anti-parallel
Strand 4
C
100 105anti-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
D
27 28first strand
Strand 2
D
16 21anti-parallel
Strand 3
D
2 13anti-parallel
Strand 4
D
74 89parallel
Strand 5
D
55 71anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
31 33first strand
Strand 2
D
2 13anti-parallel
Strand 3
D
16 21anti-parallel
Strand 4
D
100 105anti-parallel
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