Analysis of interatomic Contacts of Structural Units in PDB entry:
1XU2


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 1XU2 entry

There are 6 chains in PDB entry 1XU2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 105LEU 241
B
 LYS 105LEU 241
D
 LYS 105LEU 241
R
 CYS 8ALA 43
S
 GLY 6ASN 42
T
 CYS 8ASN 42
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 7 helices in PDB entry 1XU2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
194 197Right-handed 310
Helix 2
2
R
25 27Right-handed 310
Helix 3
3
R
34 36Right-handed 310
Helix 4
4
R
37 43Right-handed alpha
Helix 5
5
S
25 28Right-handed 310
Helix 6
6
S
37 42Right-handed alpha
Helix 7
7
T
25 28Right-handed 310
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There are 9 sheets in PDB entry 1XU2. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

There are 5 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
139 142first strand
Strand 2
A
145 148anti-parallel
Strand 3
A
215 220anti-parallel
Strand 4
A
168 176anti-parallel
Strand 5
A
181 190anti-parallel
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There are 8 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
139 142first strand
Strand 2
A
145 148anti-parallel
Strand 3
A
215 220anti-parallel
Strand 4
A
125 135anti-parallel
Strand 5
A
108 117anti-parallel
Strand 6
A
235 240anti-parallel
Strand 7
A
152 163anti-parallel
Strand 8
A
199 210anti-parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
139 142first strand
Strand 2
B
145 148anti-parallel
Strand 3
B
215 220anti-parallel
Strand 4
B
168 176anti-parallel
Strand 5
B
181 190anti-parallel
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There are 8 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
139 142first strand
Strand 2
B
145 148anti-parallel
Strand 3
B
215 220anti-parallel
Strand 4
B
125 135anti-parallel
Strand 5
B
108 117anti-parallel
Strand 6
B
235 240anti-parallel
Strand 7
B
152 162anti-parallel
Strand 8
B
200 210anti-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
D
139 142first strand
Strand 2
D
145 148anti-parallel
Strand 3
D
215 220anti-parallel
Strand 4
D
168 176anti-parallel
Strand 5
D
181 190anti-parallel
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There are 8 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
139 142first strand
Strand 2
D
145 148anti-parallel
Strand 3
D
215 220anti-parallel
Strand 4
D
125 135anti-parallel
Strand 5
D
108 117anti-parallel
Strand 6
D
235 240anti-parallel
Strand 7
D
152 163anti-parallel
Strand 8
D
199 210anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
R
12 15first strand
Strand 2
R
20 23anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
S
12 15first strand
Strand 2
S
20 23anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
T
12 15first strand
Strand 2
T
20 23anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il