Analysis of interatomic Contacts of Structural Units in PDB entry:
1XB1


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 1XB1 entry

There are 12 chains in PDB entry 1XB1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 255LEU 344
G
 ALA 901ALA 905
B
 ASN 255THR 356
H
 ALA 901ALA 905
C
 ASN 255LEU 344
I
 ALA 901ALA 905
D
 ASN 255LEU 344
J
 ALA 901ALA 905
E
 ASN 255THR 356
K
 ALA 901ALA 905
F
 ASN 255HIS 343
L
 ALA 901ALA 905
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 38 helices in PDB entry 1XB1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
259 263Right-handed 310
Helix 2
2
A
264 270Right-handed alpha
Helix 3
3
A
271 273Right-handed 310
Helix 4
4
A
280 287Right-handed alpha
Helix 5
5
A
315 324Right-handed alpha
Helix 6
6
A
327 335Right-handed alpha
Helix 7
7
A
335 342Right-handed alpha
Helix 8
8
B
259 263Right-handed 310
Helix 9
9
B
264 270Right-handed alpha
Helix 10
10
B
280 287Right-handed alpha
Helix 11
11
B
315 324Right-handed alpha
Helix 12
12
B
327 334Right-handed alpha
Helix 13
13
B
335 343Right-handed alpha
Helix 14
14
C
259 263Right-handed 310
Helix 15
15
C
264 270Right-handed alpha
Helix 16
16
C
271 273Right-handed 310
Helix 17
17
C
280 287Right-handed alpha
Helix 18
18
C
315 324Right-handed alpha
Helix 19
19
C
327 334Right-handed alpha
Helix 20
20
C
335 343Right-handed alpha
Helix 21
21
D
259 263Right-handed 310
Helix 22
22
D
264 270Right-handed alpha
Helix 23
23
D
271 273Right-handed 310
Helix 24
24
D
280 287Right-handed alpha
Helix 25
25
D
315 324Right-handed alpha
Helix 26
26
D
327 343Right-handed alpha
Helix 27
27
E
259 263Right-handed 310
Helix 28
28
E
264 270Right-handed alpha
Helix 29
29
E
280 287Right-handed alpha
Helix 30
30
E
315 324Right-handed alpha
Helix 31
31
E
327 335Right-handed alpha
Helix 32
32
E
335 343Right-handed alpha
Helix 33
33
F
259 263Right-handed 310
Helix 34
34
F
264 270Right-handed alpha
Helix 35
35
F
280 287Right-handed alpha
Helix 36
36
F
315 324Right-handed alpha
Helix 37
37
F
327 334Right-handed alpha
Helix 38
38
F
334 343Right-handed alpha
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There are 6 sheets in PDB entry 1XB1. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
289 291first strand
Strand 2
A
298 300anti-parallel
Strand 3
A
306 308anti-parallel
Strand 4
G
902 903anti-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
B
289 291first strand
Strand 2
B
298 300anti-parallel
Strand 3
B
306 308anti-parallel
Strand 4
H
902 903anti-parallel
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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
C
289 291first strand
Strand 2
C
298 300anti-parallel
Strand 3
C
306 308anti-parallel
Strand 4
I
902 903anti-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
D
289 294first strand
Strand 2
D
297 300anti-parallel
Strand 3
D
306 308anti-parallel
Strand 4
J
902 903anti-parallel
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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
E
289 291first strand
Strand 2
E
298 300anti-parallel
Strand 3
E
306 308anti-parallel
Strand 4
K
902 903anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
289 291first strand
Strand 2
F
298 300anti-parallel
Strand 3
F
306 308anti-parallel
Strand 4
L
902 903anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il