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


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 1XWD entry

There are 6 chains in PDB entry 1XWD (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 3SER 92
B
 CYS 3GLY 107
C
 CYS 18GLU 259
D
 ASP 6SER 92
E
 CYS 3GLY 107
F
 CYS 18TYR 250
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 3 helices in PDB entry 1XWD. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
40 45Right-handed alpha
Helix 2
2
D
42 46Right-handed 310
Helix 3
3
E
15 18Right-handed 310
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There are 16 sheets in PDB entry 1XWD. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P,

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
11 14first strand
Strand 2
A
26 38anti-parallel
Strand 3
B
19 35anti-parallel
Strand 4
B
4 14anti-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
A
11 14first strand
Strand 2
A
26 38anti-parallel
Strand 3
A
53 57anti-parallel
Strand 4
B
92 95parallel
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There are 2 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
59 70first strand
Strand 2
A
74 85anti-parallel
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There are 2 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
50 63first strand
Strand 2
B
72 85anti-parallel
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There are 12 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
23 25first strand
Strand 2
C
29 33anti-parallel
Strand 3
C
50 54parallel
Strand 4
C
74 78parallel
Strand 5
C
99 103parallel
Strand 6
C
124 128parallel
Strand 7
C
147 152parallel
Strand 8
C
173 176parallel
Strand 9
C
195 199parallel
Strand 10
C
222 224parallel
Strand 11
C
243 245parallel
Strand 12
C
249 250anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
60 61first strand
Strand 2
C
85 86parallel
Strand 3
C
110 111parallel
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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
C
91 92first strand
Strand 2
C
116 117parallel
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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
C
159 160first strand
Strand 2
C
184 185parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
11 14first strand
Strand 2
D
26 38anti-parallel
Strand 3
E
20 35anti-parallel
Strand 4
E
4 13anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
11 14first strand
Strand 2
D
26 38anti-parallel
Strand 3
D
53 57anti-parallel
Strand 4
E
92 95parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
59 69first strand
Strand 2
D
75 85anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
50 63first strand
Strand 2
E
72 85anti-parallel
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There are 11 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
24 25first strand
Strand 2
F
29 33anti-parallel
Strand 3
F
50 54parallel
Strand 4
F
74 78parallel
Strand 5
F
99 105parallel
Strand 6
F
124 130parallel
Strand 7
F
147 152parallel
Strand 8
F
172 176parallel
Strand 9
F
194 199parallel
Strand 10
F
222 224parallel
Strand 11
F
243 245parallel
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There are 3 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
60 61first strand
Strand 2
F
85 86parallel
Strand 3
F
110 111parallel
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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
91 92first strand
Strand 2
F
116 117parallel
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There are 2 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
159 160first strand
Strand 2
F
184 185parallel
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