Analysis of interatomic Contacts of Structural Units in PDB entry:
1AHS


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 1AHS entry

There are 3 chains in PDB entry 1AHS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 126THR 251
B
 THR 126THR 251
C
 THR 126THR 251
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 3 helices in PDB entry 1AHS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
171 174Right-handed alpha
Helix 2
2
B
171 174Right-handed alpha
Helix 3
3
C
171 174Right-handed alpha
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There are 6 sheets in PDB entry 1AHS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
148 154first strand
Strand 2
A
157 162anti-parallel
Strand 3
A
241 250anti-parallel
Strand 4
A
184 190anti-parallel
Strand 5
A
223 225anti-parallel
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There are 4 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
166 169first strand
Strand 2
A
231 235anti-parallel
Strand 3
A
209 212anti-parallel
Strand 4
A
215 217anti-parallel
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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
148 152first strand
Strand 2
B
157 162anti-parallel
Strand 3
B
241 247anti-parallel
Strand 4
B
184 190anti-parallel
Strand 5
B
223 225anti-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
166 169first strand
Strand 2
B
231 235anti-parallel
Strand 3
B
208 212anti-parallel
Strand 4
B
215 217anti-parallel
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There are 5 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
148 154first strand
Strand 2
C
157 162anti-parallel
Strand 3
C
241 249anti-parallel
Strand 4
C
184 190anti-parallel
Strand 5
C
223 225anti-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
C
166 169first strand
Strand 2
C
231 235anti-parallel
Strand 3
C
208 212anti-parallel
Strand 4
C
215 217anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il