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


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 1XXB entry

There are 6 chains in PDB entry 1XXB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 82PHE 152
B
 PRO 81PHE 152
C
 PRO 81PHE 152
D
 LEU 82PHE 152
E
 LEU 82PHE 152
F
 LEU 82PHE 152
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 23 helices in PDB entry 1XXB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
83 85Right-handed 310
Helix 2
2
A
105 114Right-handed alpha
Helix 3
3
A
117 119Right-handed 310
Helix 4
4
A
141 151Right-handed alpha
Helix 5
5
B
83 85Right-handed 310
Helix 6
6
B
105 113Right-handed alpha
Helix 7
7
B
117 119Right-handed 310
Helix 8
8
B
141 151Right-handed alpha
Helix 9
9
C
83 85Right-handed 310
Helix 10
10
C
105 114Right-handed alpha
Helix 11
11
C
117 119Right-handed 310
Helix 12
12
C
141 151Right-handed alpha
Helix 13
13
D
83 85Right-handed 310
Helix 14
14
D
104 115Right-handed 310
Helix 15
15
D
117 119Right-handed 310
Helix 16
16
D
141 150Right-handed alpha
Helix 17
17
E
83 85Right-handed 310
Helix 18
18
E
105 114Right-handed alpha
Helix 19
19
E
117 119Right-handed 310
Helix 20
20
E
141 151Right-handed alpha
Helix 21
21
F
105 114Right-handed alpha
Helix 22
22
F
117 119Right-handed 310
Helix 23
23
F
141 151Right-handed alpha
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There are 6 sheets in PDB entry 1XXB. 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
89 91first strand
Strand 2
A
96 99anti-parallel
Strand 3
A
130 135anti-parallel
Strand 4
A
121 126anti-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
124 126first strand
Strand 2
B
130 133anti-parallel
Strand 3
B
96 100anti-parallel
Strand 4
B
86 91anti-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
86 91first strand
Strand 2
C
96 100anti-parallel
Strand 3
C
130 135anti-parallel
Strand 4
C
121 126anti-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
D
96 99first strand
Strand 2
D
130 135anti-parallel
Strand 3
D
121 126anti-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
124 126first strand
Strand 2
E
130 133anti-parallel
Strand 3
E
96 100anti-parallel
Strand 4
E
86 91anti-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
86 89first strand
Strand 2
F
96 100anti-parallel
Strand 3
F
130 135anti-parallel
Strand 4
F
121 126anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il