Analysis of interatomic Contacts of Structural Units in PDB entry:
3I4I


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 3I4I entry

There are 2 chains in PDB entry 3I4I (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 2ILE 216
B
 PHE 3ILE 216
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 5 helices in PDB entry 3I4I. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
98 102Right-handed 310
Helix 2
2
A
191 196Right-handed alpha
Helix 3
3
B
98 102Right-handed 310
Helix 4
4
B
141 145Right-handed 310
Helix 5
5
B
191 196Right-handed alpha
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There are 8 sheets in PDB entry 3I4I. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 7 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
165 170first strand
Strand 2
A
157 162anti-parallel
Strand 3
A
147 154anti-parallel
Strand 4
A
75 82anti-parallel
Strand 5
A
204 214anti-parallel
Strand 6
A
45 52anti-parallel
Strand 7
A
39 42anti-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
6 8first strand
Strand 2
A
204 214anti-parallel
Strand 3
A
45 52anti-parallel
Strand 4
A
61 68anti-parallel
Strand 5
A
18 20anti-parallel
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There are 3 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
18 20first strand
Strand 2
A
61 68anti-parallel
Strand 3
A
32 34parallel
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There are 8 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
39 42first strand
Strand 2
A
45 52anti-parallel
Strand 3
A
61 68anti-parallel
Strand 4
A
180 187anti-parallel
Strand 5
A
89 97anti-parallel
Strand 6
A
106 113anti-parallel
Strand 7
A
119 125anti-parallel
Strand 8
A
134 137anti-parallel
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There are 4 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
6 8first strand
Strand 2
B
205 214anti-parallel
Strand 3
B
45 49anti-parallel
Strand 4
B
39 42anti-parallel
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There are 6 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
6 8first strand
Strand 2
B
205 214anti-parallel
Strand 3
B
75 82anti-parallel
Strand 4
B
147 153anti-parallel
Strand 5
B
158 162anti-parallel
Strand 6
B
165 170anti-parallel
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There are 3 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
18 20first strand
Strand 2
B
61 68anti-parallel
Strand 3
B
51 52anti-parallel
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There are 7 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
32 34first strand
Strand 2
B
61 68parallel
Strand 3
B
180 187anti-parallel
Strand 4
B
89 97anti-parallel
Strand 5
B
106 113anti-parallel
Strand 6
B
119 125anti-parallel
Strand 7
B
134 137anti-parallel
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