Analysis of interatomic Contacts of Structural Units in PDB entry:
4AR2


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 4AR2 entry

There are 2 chains in PDB entry 4AR2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 48ARG 542
P
 ASN 12CYS 21
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 4AR2. 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 83Right-handed alpha
Helix 2
2
A
102 109Right-handed alpha
Helix 3
3
A
185 197Right-handed alpha
Helix 4
4
A
197 205Right-handed alpha
Helix 5
5
A
206 209Right-handed 310
Helix 6
6
A
211 215Right-handed 310
Helix 7
7
A
263 268Right-handed alpha
Helix 8
8
A
297 304Right-handed alpha
Helix 9
9
A
379 385Right-handed alpha
Helix 10
10
A
453 458Right-handed alpha
Helix 11
11
A
475 479Right-handed 310
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There are 9 sheets in PDB entry 4AR2. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, AH, AI,

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
69 71first strand
Strand 2
A
527 538anti-parallel
Strand 3
A
119 129anti-parallel
Strand 4
A
495 503anti-parallel
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There are 2 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
93 94first strand
Strand 2
A
511 512anti-parallel
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There are 2 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
110 112first strand
Strand 2
A
507 509anti-parallel
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There are 2 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
144 152first strand
Strand 2
A
169 176anti-parallel
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There are 3 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
217 219first strand
Strand 2
A
249 251anti-parallel
Strand 3
A
377 378anti-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
256 258first strand
Strand 2
A
281 283anti-parallel
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There are 2 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
270 272first strand
Strand 2
A
396 398anti-parallel
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There are 3 strands in AH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
437 440first strand
Strand 2
A
409 412anti-parallel
Strand 3
A
516 518anti-parallel
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There are 2 strands in AI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
443 449first strand
Strand 2
A
486 492anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il