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


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 2AAI entry

There are 2 chains in PDB entry 2AAI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 1PHE 267
B
 ALA 1PHE 262
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 16 helices in PDB entry 2AAI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
17 33Right-handed alpha
Helix 2
2
A
97 105Right-handed alpha
Helix 3
3
A
122 131Right-handed alpha
Helix 4
4
A
140 157Right-handed alpha
Helix 5
5
A
160 175Right-handed alpha
Helix 6
6
A
175 181Right-handed alpha
Helix 7
7
A
181 195Right-handed alpha
Helix 8
8
A
201 220Right-handed alpha
Helix 9
9
B
15 19Right-handed 310
Helix 10
10
B
25 27Right-handed 310
Helix 11
11
B
44 48Right-handed 310
Helix 12
12
B
84 88Right-handed 310
Helix 13
13
B
126 130Right-handed 310
Helix 14
14
B
146 150Right-handed 310
Helix 15
15
B
237 243Right-handed 310
Helix 16
16
B
253 257Right-handed 310
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There is 1 sheet ( 1) in PDB entry 2AAI.

There are 6 strands in 1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
7 13first strand
Strand 2
A
59 64parallel
Strand 3
A
68 73anti-parallel
Strand 4
A
82 86anti-parallel
Strand 5
A
89 93anti-parallel
Strand 6
A
115 117parallel
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