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


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 4PXA entry

There is 1 chain in PDB entry 4PXA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 135TYR 576
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 19 helices in PDB entry 4PXA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
143 151Right-handed alpha
Helix 2
2
A
187 198Right-handed alpha
Helix 3
3
A
204 216Right-handed alpha
Helix 4
4
A
229 246Right-handed alpha
Helix 5
5
A
248 256Right-handed alpha
Helix 6
6
A
275 290Right-handed alpha
Helix 7
7
A
305 315Right-handed alpha
Helix 8
8
A
323 333Right-handed alpha
Helix 9
9
A
348 355Right-handed alpha
Helix 10
10
A
357 366Right-handed alpha
Helix 11
11
A
386 397Right-handed alpha
Helix 12
12
A
426 439Right-handed alpha
Helix 13
13
A
450 464Right-handed alpha
Helix 14
14
A
476 489Right-handed alpha
Helix 15
15
A
499 503Right-handed alpha
Helix 16
16
A
521 530Right-handed alpha
Helix 17
17
A
546 551Right-handed 310
Helix 18
18
A
552 563Right-handed alpha
Helix 19
19
A
568 574Right-handed alpha
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There are 2 sheets in PDB entry 4PXA. Click on sheet of interest to get list of strands forming it: A, B,

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
169 171first strand
Strand 2
A
401 404anti-parallel
Strand 3
A
220 223parallel
Strand 4
A
377 381parallel
Strand 5
A
343 347parallel
Strand 6
A
269 272parallel
Strand 7
A
319 322parallel
Strand 8
A
297 299parallel
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There are 6 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
415 421first strand
Strand 2
A
539 545parallel
Strand 3
A
512 515parallel
Strand 4
A
444 448parallel
Strand 5
A
494 498parallel
Strand 6
A
468 470parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il