Analysis of interatomic Contacts of Structural Units in PDB entry:
4K3B


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 4K3B entry

There is 1 chain in PDB entry 4K3B (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 21PHE 792
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 14 helices in PDB entry 4K3B. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
38 43Right-handed alpha
Helix 2
2
A
55 67Right-handed alpha
Helix 3
3
A
105 115Right-handed alpha
Helix 4
4
A
125 143Right-handed alpha
Helix 5
5
A
188 196Right-handed alpha
Helix 6
6
A
214 231Right-handed alpha
Helix 7
7
A
282 287Right-handed alpha
Helix 8
8
A
297 312Right-handed alpha
Helix 9
9
A
361 366Right-handed alpha
Helix 10
10
A
379 384Right-handed alpha
Helix 11
11
A
384 392Right-handed alpha
Helix 12
12
A
545 549Right-handed 310
Helix 13
13
A
551 556Right-handed alpha
Helix 14
14
A
654 659Right-handed alpha
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There are 10 sheets in PDB entry 4K3B. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

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
A
28 31first strand
Strand 2
A
82 87parallel
Strand 3
A
74 79anti-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
A
93 99first strand
Strand 2
A
162 171parallel
Strand 3
A
147 156anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
175 176first strand
Strand 2
A
252 253parallel
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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
A
180 182first strand
Strand 2
A
256 259parallel
Strand 3
A
239 243anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
322 328first strand
Strand 2
A
335 341anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
353 354first strand
Strand 2
A
413 419parallel
Strand 3
A
397 403anti-parallel
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There are 11 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
425 433first strand
Strand 2
A
437 449anti-parallel
Strand 3
A
454 462anti-parallel
Strand 4
A
466 479anti-parallel
Strand 5
A
483 494anti-parallel
Strand 6
A
507 520anti-parallel
Strand 7
A
526 539anti-parallel
Strand 8
A
564 580anti-parallel
Strand 9
A
591 595anti-parallel
Strand 10
A
609 620anti-parallel
Strand 11
A
597 600anti-parallel
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There are 9 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
564 580first strand
Strand 2
A
597 600anti-parallel
Strand 3
A
609 620anti-parallel
Strand 4
A
626 635anti-parallel
Strand 5
A
685 695anti-parallel
Strand 6
A
706 718anti-parallel
Strand 7
A
756 759anti-parallel
Strand 8
A
764 773anti-parallel
Strand 9
A
749 754anti-parallel
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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
706 718first strand
Strand 2
A
749 754anti-parallel
Strand 3
A
764 773anti-parallel
Strand 4
A
784 789anti-parallel
Strand 5
A
425 433anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
670 673first strand
Strand 2
A
677 680anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il