Analysis of interatomic Contacts of Structural Units in PDB entry:
4C2X


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 4C2X entry

There is 1 chain in PDB entry 4C2X (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 109GLN 496
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 15 helices in PDB entry 4C2X. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
119 123Right-handed 310
Helix 2
2
A
165 180Right-handed alpha
Helix 3
3
A
193 202Right-handed alpha
Helix 4
4
A
207 209Right-handed 310
Helix 5
5
A
252 255Right-handed 310
Helix 6
6
A
259 273Right-handed alpha
Helix 7
7
A
302 309Right-handed alpha
Helix 8
8
A
319 327Right-handed alpha
Helix 9
9
A
342 344Right-handed 310
Helix 10
10
A
345 357Right-handed alpha
Helix 11
11
A
358 360Right-handed 310
Helix 12
12
A
367 376Right-handed alpha
Helix 13
13
A
430 444Right-handed alpha
Helix 14
14
A
457 461Right-handed 310
Helix 15
15
A
487 490Right-handed 310
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There are 6 sheets in PDB entry 4C2X. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF,

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
156 160first strand
Strand 2
A
211 216anti-parallel
Strand 3
A
222 235anti-parallel
Strand 4
A
362 364parallel
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There are 11 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
156 160first strand
Strand 2
A
211 216anti-parallel
Strand 3
A
222 235anti-parallel
Strand 4
A
238 250anti-parallel
Strand 5
A
279 283parallel
Strand 6
A
468 479anti-parallel
Strand 7
A
292 300anti-parallel
Strand 8
A
449 453anti-parallel
Strand 9
A
418 421parallel
Strand 10
A
394 402anti-parallel
Strand 11
A
425 426anti-parallel
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There are 12 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
156 160first strand
Strand 2
A
211 216anti-parallel
Strand 3
A
222 235anti-parallel
Strand 4
A
238 250anti-parallel
Strand 5
A
279 283parallel
Strand 6
A
468 479anti-parallel
Strand 7
A
292 300anti-parallel
Strand 8
A
449 453anti-parallel
Strand 9
A
418 421parallel
Strand 10
A
394 402anti-parallel
Strand 11
A
382 388anti-parallel
Strand 12
A
338 340anti-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
362 364first strand
Strand 2
A
222 235parallel
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There are 2 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
425 426first strand
Strand 2
A
394 402anti-parallel
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There are 3 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
188 190first strand
Strand 2
A
405 407anti-parallel
Strand 3
A
415 416anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il