Analysis of interatomic Contacts of Structural Units in PDB entry:
2AS9


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 2AS9 entry

There are 2 chains in PDB entry 2AS9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1HIS 207
B
 LYS 3HIS 207
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 2AS9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
15 17Right-handed 310
Helix 2
2
A
38 45Right-handed alpha
Helix 3
3
A
56 60Right-handed 310
Helix 4
4
A
99 101Right-handed 310
Helix 5
5
A
191 200Right-handed alpha
Helix 6
6
B
15 17Right-handed 310
Helix 7
7
B
38 43Right-handed alpha
Helix 8
8
B
56 60Right-handed 310
Helix 9
9
B
98 102Right-handed alpha
Helix 10
10
B
154 158Right-handed 310
Helix 11
11
B
191 206Right-handed alpha
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There are 6 sheets in PDB entry 2AS9. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 8 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
5 7first strand
Strand 2
A
133 143anti-parallel
Strand 3
A
146 150anti-parallel
Strand 4
A
185 189anti-parallel
Strand 5
A
169 173anti-parallel
Strand 6
A
161 163anti-parallel
Strand 7
A
116 121anti-parallel
Strand 8
A
133 143anti-parallel
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There are 7 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
19 21first strand
Strand 2
A
26 31anti-parallel
Strand 3
A
34 37anti-parallel
Strand 4
A
80 84anti-parallel
Strand 5
A
64 72anti-parallel
Strand 6
A
50 53anti-parallel
Strand 7
A
19 21anti-parallel
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There are 2 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
87 92first strand
Strand 2
A
95 97anti-parallel
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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
B
5 7first strand
Strand 2
B
133 143anti-parallel
Strand 3
B
146 149anti-parallel
Strand 4
B
185 189anti-parallel
Strand 5
B
169 173anti-parallel
Strand 6
B
161 163anti-parallel
Strand 7
B
116 121anti-parallel
Strand 8
B
133 143anti-parallel
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There are 7 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
19 21first strand
Strand 2
B
26 31anti-parallel
Strand 3
B
34 37anti-parallel
Strand 4
B
80 84anti-parallel
Strand 5
B
64 72anti-parallel
Strand 6
B
50 53anti-parallel
Strand 7
B
19 21anti-parallel
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There are 2 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
87 92first strand
Strand 2
B
95 97anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il