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


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 1XRT entry

There are 2 chains in PDB entry 1XRT (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ASP 422
B
 TRP 0ASP 422
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 30 helices in PDB entry 1XRT. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 17Right-handed 310
Helix 2
2
A
74 85Right-handed alpha
Helix 3
3
A
102 117Right-handed alpha
Helix 4
4
A
128 132Right-handed 310
Helix 5
5
A
138 146Right-handed alpha
Helix 6
6
A
159 174Right-handed alpha
Helix 7
7
A
182 187Right-handed 310
Helix 8
8
A
209 225Right-handed alpha
Helix 9
9
A
235 248Right-handed alpha
Helix 10
10
A
257 262Right-handed 310
Helix 11
11
A
286 296Right-handed alpha
Helix 12
12
A
326 328Right-handed 310
Helix 13
13
A
329 340Right-handed alpha
Helix 14
14
A
344 353Right-handed alpha
Helix 15
15
A
353 361Right-handed alpha
Helix 16
16
B
14 17Right-handed 310
Helix 17
17
B
74 85Right-handed alpha
Helix 18
18
B
102 117Right-handed alpha
Helix 19
19
B
128 132Right-handed 310
Helix 20
20
B
138 146Right-handed alpha
Helix 21
21
B
159 174Right-handed alpha
Helix 22
22
B
182 186Right-handed 310
Helix 23
23
B
208 225Right-handed alpha
Helix 24
24
B
235 248Right-handed alpha
Helix 25
25
B
257 262Right-handed 310
Helix 26
26
B
287 296Right-handed alpha
Helix 27
27
B
326 328Right-handed 310
Helix 28
28
B
329 340Right-handed alpha
Helix 29
29
B
344 353Right-handed alpha
Helix 30
30
B
353 361Right-handed alpha
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There are 8 sheets in PDB entry 1XRT. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 4 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
30 35first strand
Strand 2
A
23 27anti-parallel
Strand 3
A
3 7anti-parallel
Strand 4
A
43 47parallel
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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
18 21first strand
Strand 2
A
10 13anti-parallel
Strand 3
A
52 55parallel
Strand 4
A
375 385anti-parallel
Strand 5
A
404 414anti-parallel
Strand 6
A
417 421anti-parallel
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There are 3 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
57 62first strand
Strand 2
A
87 92parallel
Strand 3
A
120 123parallel
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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
176 179first strand
Strand 2
A
227 230parallel
Strand 3
A
252 256parallel
Strand 4
A
301 302parallel
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There are 4 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
30 35first strand
Strand 2
B
23 27anti-parallel
Strand 3
B
3 7anti-parallel
Strand 4
B
43 47parallel
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There are 6 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
18 21first strand
Strand 2
B
10 13anti-parallel
Strand 3
B
52 55parallel
Strand 4
B
375 385anti-parallel
Strand 5
B
404 414anti-parallel
Strand 6
B
417 421anti-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
B
57 62first strand
Strand 2
B
87 92parallel
Strand 3
B
120 123parallel
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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
B
177 179first strand
Strand 2
B
228 230parallel
Strand 3
B
252 256parallel
Strand 4
B
301 302parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il