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


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 4KXT entry

There are 2 chains in PDB entry 4KXT (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 22ALA 857
B
 A 1 U 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 29 helices in PDB entry 4KXT. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
65 80Right-handed alpha
Helix 2
2
A
80 85Right-handed alpha
Helix 3
3
A
138 148Right-handed alpha
Helix 4
4
A
153 165Right-handed alpha
Helix 5
5
A
165 172Right-handed alpha
Helix 6
6
A
227 237Right-handed alpha
Helix 7
7
A
249 261Right-handed alpha
Helix 8
8
A
306 315Right-handed alpha
Helix 9
9
A
355 367Right-handed alpha
Helix 10
10
A
369 385Right-handed alpha
Helix 11
11
A
386 388Right-handed 310
Helix 12
12
A
389 395Right-handed alpha
Helix 13
13
A
456 460Right-handed 310
Helix 14
14
A
461 479Right-handed alpha
Helix 15
15
A
495 497Right-handed 310
Helix 16
16
A
498 510Right-handed alpha
Helix 17
17
A
525 536Right-handed alpha
Helix 18
18
A
547 552Right-handed alpha
Helix 19
19
A
554 569Right-handed alpha
Helix 20
20
A
578 581Right-handed 310
Helix 21
21
A
582 587Right-handed 310
Helix 22
22
A
639 656Right-handed alpha
Helix 23
23
A
670 672Right-handed 310
Helix 24
24
A
673 691Right-handed alpha
Helix 25
25
A
717 721Right-handed 310
Helix 26
26
A
773 785Right-handed alpha
Helix 27
27
A
798 815Right-handed alpha
Helix 28
28
A
836 845Right-handed alpha
Helix 29
29
A
847 852Right-handed alpha
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There are 8 sheets in PDB entry 4KXT. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 11 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
623 630first strand
Strand 2
A
608 615anti-parallel
Strand 3
A
589 597anti-parallel
Strand 4
A
661 667parallel
Strand 5
A
699 706parallel
Strand 6
A
761 768anti-parallel
Strand 7
A
745 749anti-parallel
Strand 8
A
732 734anti-parallel
Strand 9
A
404 410anti-parallel
Strand 10
A
34 40anti-parallel
Strand 11
A
713 715anti-parallel
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There are 4 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
173 175first strand
Strand 2
A
178 180anti-parallel
Strand 3
A
194 206anti-parallel
Strand 4
A
189 191anti-parallel
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There are 6 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
173 175first strand
Strand 2
A
178 180anti-parallel
Strand 3
A
194 206anti-parallel
Strand 4
A
211 223anti-parallel
Strand 5
A
42 46anti-parallel
Strand 6
A
398 399anti-parallel
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There are 4 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
91 92first strand
Strand 2
A
97 100anti-parallel
Strand 3
A
51 59anti-parallel
Strand 4
A
128 137anti-parallel
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There are 5 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
335 338first strand
Strand 2
A
324 328anti-parallel
Strand 3
A
276 286anti-parallel
Strand 4
A
264 267anti-parallel
Strand 5
A
342 344anti-parallel
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There are 2 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
291 295first strand
Strand 2
A
301 305anti-parallel
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There are 3 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 426first strand
Strand 2
A
416 417anti-parallel
Strand 3
A
575 576anti-parallel
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There are 4 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
489 492first strand
Strand 2
A
449 453parallel
Strand 3
A
515 520parallel
Strand 4
A
542 546parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il