Analysis of interatomic Contacts of Structural Units in PDB entry:
4A2H


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 4A2H entry

There is 1 chain in PDB entry 4A2H (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 22GLN 517
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 13 helices in PDB entry 4A2H. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
75 79Right-handed 310
Helix 2
2
A
94 98Right-handed 310
Helix 3
3
A
135 140Right-handed 310
Helix 4
4
A
154 158Right-handed 310
Helix 5
5
A
162 164Right-handed 310
Helix 6
6
A
290 294Right-handed 310
Helix 7
7
A
321 325Right-handed 310
Helix 8
8
A
370 377Right-handed alpha
Helix 9
9
A
473 479Right-handed alpha
Helix 10
10
A
491 496Right-handed alpha
Helix 11
11
A
499 504Right-handed alpha
Helix 12
12
A
504 512Right-handed alpha
Helix 13
13
A
513 517Right-handed 310
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There are 7 sheets in PDB entry 4A2H. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG,

There are 4 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
43 48first strand
Strand 2
A
26 36anti-parallel
Strand 3
A
64 71parallel
Strand 4
A
113 119anti-parallel
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There are 4 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
57 60first strand
Strand 2
A
142 148parallel
Strand 3
A
125 131anti-parallel
Strand 4
A
84 87anti-parallel
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There are 6 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
188 191first strand
Strand 2
A
166 172anti-parallel
Strand 3
A
215 222parallel
Strand 4
A
263 269anti-parallel
Strand 5
A
238 243anti-parallel
Strand 6
A
246 253anti-parallel
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There are 5 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
207 209first strand
Strand 2
A
296 300parallel
Strand 3
A
276 283anti-parallel
Strand 4
A
229 233anti-parallel
Strand 5
A
256 258anti-parallel
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There are 5 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
344 347first strand
Strand 2
A
399 405parallel
Strand 3
A
454 460anti-parallel
Strand 4
A
424 428anti-parallel
Strand 5
A
442 443anti-parallel
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There are 2 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
350 353first strand
Strand 2
A
356 359anti-parallel
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There are 5 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
391 394first strand
Strand 2
A
482 487parallel
Strand 3
A
465 471anti-parallel
Strand 4
A
416 419anti-parallel
Strand 5
A
445 447anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il