Analysis of interatomic Contacts of Structural Units in PDB entry:
1XU1


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 1XU1 entry

There are 6 chains in PDB entry 1XU1 (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
 SER 68GLU 105
S
 CYS 71ASN 106
T
 CYS 71ARG 109
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 13 helices in PDB entry 1XU1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
B
194 197Right-handed 310
Helix 2
2
R
72 75Right-handed 310
Helix 3
3
R
90 93Right-handed 310
Helix 4
4
R
97 99Right-handed 310
Helix 5
5
R
100 105Right-handed alpha
Helix 6
6
S
72 75Right-handed 310
Helix 7
7
S
89 93Right-handed alpha
Helix 8
8
S
97 99Right-handed 310
Helix 9
9
S
100 106Right-handed alpha
Helix 10
10
T
72 75Right-handed 310
Helix 11
11
T
90 92Right-handed 310
Helix 12
12
T
97 99Right-handed 310
Helix 13
13
T
100 107Right-handed alpha
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There are 9 sheets in PDB entry 1XU1. 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 177anti-parallel
Strand 5
A
180 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 177anti-parallel
Strand 5
B
180 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 163anti-parallel
Strand 8
B
199 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
77 80first strand
Strand 2
R
85 88anti-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
77 80first strand
Strand 2
S
85 88anti-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
77 80first strand
Strand 2
T
85 88anti-parallel
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