Analysis of interatomic Contacts of Structural Units in PDB entry:
1XKD


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 1XKD entry

There are 2 chains in PDB entry 1XKD (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 5GLY 435
B
 SER 6LEU 426
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 40 helices in PDB entry 1XKD. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
10 14Right-handed 310
Helix 2
2
A
46 67Right-handed alpha
Helix 3
3
A
80 88Right-handed alpha
Helix 4
4
A
92 103Right-handed alpha
Helix 5
5
A
120 130Right-handed alpha
Helix 6
6
A
149 153Right-handed 310
Helix 7
7
A
163 168Right-handed 310
Helix 8
8
A
175 190Right-handed alpha
Helix 9
9
A
206 224Right-handed alpha
Helix 10
10
A
240 256Right-handed alpha
Helix 11
11
A
263 269Right-handed alpha
Helix 12
12
A
286 296Right-handed alpha
Helix 13
13
A
297 300Right-handed 310
Helix 14
14
A
306 321Right-handed alpha
Helix 15
15
A
323 326Right-handed 310
Helix 16
16
A
346 350Right-handed 310
Helix 17
17
A
357 370Right-handed alpha
Helix 18
18
A
374 391Right-handed alpha
Helix 19
19
A
395 400Right-handed alpha
Helix 20
20
A
409 424Right-handed alpha
Helix 21
21
A
425 430Right-handed alpha
Helix 22
22
B
46 62Right-handed alpha
Helix 23
23
B
80 87Right-handed alpha
Helix 24
24
B
92 103Right-handed alpha
Helix 25
25
B
120 129Right-handed alpha
Helix 26
26
B
149 153Right-handed 310
Helix 27
27
B
163 168Right-handed 310
Helix 28
28
B
175 190Right-handed alpha
Helix 29
29
B
206 224Right-handed alpha
Helix 30
30
B
240 256Right-handed alpha
Helix 31
31
B
263 267Right-handed alpha
Helix 32
32
B
286 296Right-handed alpha
Helix 33
33
B
297 300Right-handed 310
Helix 34
34
B
306 321Right-handed alpha
Helix 35
35
B
323 327Right-handed 310
Helix 36
36
B
346 350Right-handed 310
Helix 37
37
B
357 371Right-handed alpha
Helix 38
38
B
374 390Right-handed alpha
Helix 39
39
B
395 400Right-handed alpha
Helix 40
40
B
409 423Right-handed alpha
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There are 6 sheets in PDB entry 1XKD. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 2 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
24 26first strand
Strand 2
A
29 31anti-parallel
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There are 11 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
73 77first strand
Strand 2
A
37 41parallel
Strand 3
A
104 107parallel
Strand 4
A
337 341parallel
Strand 5
A
328 332anti-parallel
Strand 6
A
133 138anti-parallel
Strand 7
A
155 160anti-parallel
Strand 8
A
302 305parallel
Strand 9
A
227 232parallel
Strand 10
A
279 285parallel
Strand 11
A
260 262parallel
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There are 4 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
170 171first strand
Strand 2
A
197 205anti-parallel
Strand 3
B
197 205anti-parallel
Strand 4
B
170 171anti-parallel
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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
B
21 22first strand
Strand 2
B
36 41parallel
Strand 3
B
73 76parallel
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There are 11 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
21 22first strand
Strand 2
B
36 41parallel
Strand 3
B
104 107parallel
Strand 4
B
336 339parallel
Strand 5
B
330 333anti-parallel
Strand 6
B
133 138anti-parallel
Strand 7
B
155 160anti-parallel
Strand 8
B
302 305parallel
Strand 9
B
227 232parallel
Strand 10
B
279 285parallel
Strand 11
B
260 262parallel
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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
B
24 26first strand
Strand 2
B
29 31anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il