Analysis of interatomic Contacts of Structural Units in PDB entry:
2IPA


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 2IPA entry

There are 2 chains in PDB entry 2IPA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LEU 104
B
 MET 1LYS 139
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 11 helices in PDB entry 2IPA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
9 16Right-handed alpha
Helix 2
2
A
30 33Right-handed 310
Helix 3
3
A
34 47Right-handed alpha
Helix 4
4
A
61 68Right-handed alpha
Helix 5
5
A
92 102Right-handed alpha
Helix 6
6
B
11 14Right-handed 310
Helix 7
7
B
15 26Right-handed alpha
Helix 8
8
B
45 54Right-handed alpha
Helix 9
9
B
68 73Right-handed alpha
Helix 10
10
B
105 109Right-handed 310
Helix 11
11
B
112 138Right-handed alpha
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There are 2 sheets in PDB entry 2IPA. Click on sheet of interest to get list of strands forming it: A, B,

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
3 5first strand
Strand 2
A
51 56parallel
Strand 3
A
19 25parallel
Strand 4
A
74 79anti-parallel
Strand 5
A
82 87anti-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
B
65 66first strand
Strand 2
B
33 38parallel
Strand 3
B
5 9parallel
Strand 4
B
77 80parallel
Strand 5
B
97 100parallel
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