Analysis of interatomic Contacts of Structural Units in PDB entry:
4IPU


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 4IPU entry

There are 4 chains in PDB entry 4IPU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 23TYR 159
B
 PRO 26TYR 159
C
 ILE 24TYR 159
D
 ASN 31TYR 159
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 4IPU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 55Right-handed alpha
Helix 2
2
B
27 31Right-handed alpha
Helix 3
3
B
31 55Right-handed alpha
Helix 4
4
C
25 55Right-handed alpha
Helix 5
5
D
32 55Right-handed alpha
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There are 11 sheets in PDB entry 4IPU. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K,

There are 4 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
87 89first strand
Strand 2
A
72 75anti-parallel
Strand 3
A
58 62anti-parallel
Strand 4
A
107 110anti-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
77 78first strand
Strand 2
A
81 82anti-parallel
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There are 4 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
97 101first strand
Strand 2
A
122 128anti-parallel
Strand 3
A
131 140anti-parallel
Strand 4
A
146 148anti-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
87 89first strand
Strand 2
B
72 75anti-parallel
Strand 3
B
58 62anti-parallel
Strand 4
B
107 110anti-parallel
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There are 2 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
77 78first strand
Strand 2
B
81 82anti-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
B
97 101first strand
Strand 2
B
122 128anti-parallel
Strand 3
B
131 140anti-parallel
Strand 4
B
146 148anti-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
87 89first strand
Strand 2
C
72 75anti-parallel
Strand 3
C
58 62anti-parallel
Strand 4
C
107 110anti-parallel
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There are 2 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
77 78first strand
Strand 2
C
81 82anti-parallel
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There are 4 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
97 101first strand
Strand 2
C
122 128anti-parallel
Strand 3
C
131 140anti-parallel
Strand 4
C
146 148anti-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
D
87 89first strand
Strand 2
D
72 75anti-parallel
Strand 3
D
58 62anti-parallel
Strand 4
D
107 110anti-parallel
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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
97 101first strand
Strand 2
D
122 128anti-parallel
Strand 3
D
131 140anti-parallel
Strand 4
D
146 148anti-parallel
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