Analysis of interatomic Contacts of Structural Units in PDB entry:
2AI9


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 2AI9 entry

There are 2 chains in PDB entry 2AI9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 0VAL 182
B
 MET 0VAL 182
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 14 helices in PDB entry 2AI9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 6Right-handed 310
Helix 2
2
A
11 16Right-handed 310
Helix 3
3
A
26 45Right-handed alpha
Helix 4
4
A
45 53Right-handed alpha
Helix 5
5
A
63 66Right-handed 310
Helix 6
6
A
145 159Right-handed alpha
Helix 7
7
A
162 166Right-handed 310
Helix 8
8
B
2 6Right-handed 310
Helix 9
9
B
11 16Right-handed 310
Helix 10
10
B
26 45Right-handed alpha
Helix 11
11
B
45 52Right-handed alpha
Helix 12
12
B
63 66Right-handed 310
Helix 13
13
B
145 159Right-handed alpha
Helix 14
14
B
162 167Right-handed 310
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There are 4 sheets in PDB entry 2AI9. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
59 61first strand
Strand 2
A
71 76anti-parallel
Strand 3
A
85 97anti-parallel
Strand 4
A
126 132anti-parallel
Strand 5
A
138 144anti-parallel
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There are 3 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
123 124first strand
Strand 2
A
101 103anti-parallel
Strand 3
A
180 181parallel
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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
59 61first strand
Strand 2
B
71 76anti-parallel
Strand 3
B
85 97anti-parallel
Strand 4
B
126 132anti-parallel
Strand 5
B
138 144anti-parallel
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There are 3 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
123 124first strand
Strand 2
B
101 103anti-parallel
Strand 3
B
179 181parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il