Analysis of interatomic Contacts of Structural Units in PDB entry:
1A22


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 1A22 entry

There are 2 chains in PDB entry 1A22 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 1PHE 191
B
 PRO 233SER 437
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 12 helices in PDB entry 1A22. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
7 35Right-handed alpha
Helix 2
2
A
38 45Right-handed alpha
Helix 3
3
A
48 51Right-handed alpha
Helix 4
4
A
54 57Right-handed 310
Helix 5
5
A
64 69Right-handed alpha
Helix 6
6
A
72 86Right-handed alpha
Helix 7
7
A
89 91Right-handed 310
Helix 8
8
A
94 99Right-handed alpha
Helix 9
9
A
107 128Right-handed alpha
Helix 10
10
A
137 140Right-handed alpha
Helix 11
11
A
155 184Right-handed alpha
Helix 12
12
B
325 327Right-handed 310
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There are 4 sheets in PDB entry 1A22. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 3 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
293 296first strand
Strand 2
B
246 250anti-parallel
Strand 3
B
235 239anti-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
B
265 270first strand
Strand 2
B
306 313anti-parallel
Strand 3
B
316 324anti-parallel
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There are 3 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
396 399first strand
Strand 2
B
352 356anti-parallel
Strand 3
B
338 343anti-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
372 380first strand
Strand 2
B
407 416anti-parallel
Strand 3
B
429 432anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il