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


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 1XDS entry

There are 2 chains in PDB entry 1XDS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 10SER 357
B
 PRO 9SER 357
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 39 helices in PDB entry 1XDS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
13 23Right-handed alpha
Helix 2
2
A
27 39Right-handed alpha
Helix 3
3
A
40 47Right-handed alpha
Helix 4
4
A
51 60Right-handed alpha
Helix 5
5
A
62 76Right-handed alpha
Helix 6
6
A
93 99Right-handed 310
Helix 7
7
A
105 111Right-handed alpha
Helix 8
8
A
114 121Right-handed alpha
Helix 9
9
A
122 124Right-handed 310
Helix 10
10
A
125 133Right-handed alpha
Helix 11
11
A
136 142Right-handed alpha
Helix 12
12
A
144 152Right-handed alpha
Helix 13
13
A
152 164Right-handed alpha
Helix 14
14
A
194 204Right-handed alpha
Helix 15
15
A
214 229Right-handed alpha
Helix 16
16
A
257 261Right-handed 310
Helix 17
17
A
262 276Right-handed alpha
Helix 18
18
A
297 313Right-handed alpha
Helix 19
19
A
318 329Right-handed alpha
Helix 20
20
B
13 23Right-handed alpha
Helix 21
21
B
27 38Right-handed alpha
Helix 22
22
B
40 45Right-handed alpha
Helix 23
23
B
62 76Right-handed alpha
Helix 24
24
B
93 99Right-handed 310
Helix 25
25
B
105 111Right-handed alpha
Helix 26
26
B
114 121Right-handed alpha
Helix 27
27
B
122 124Right-handed 310
Helix 28
28
B
125 133Right-handed alpha
Helix 29
29
B
136 142Right-handed alpha
Helix 30
30
B
144 152Right-handed alpha
Helix 31
31
B
152 163Right-handed alpha
Helix 32
32
B
172 178Right-handed alpha
Helix 33
33
B
179 183Right-handed 310
Helix 34
34
B
194 204Right-handed alpha
Helix 35
35
B
214 228Right-handed alpha
Helix 36
36
B
257 261Right-handed 310
Helix 37
37
B
262 276Right-handed alpha
Helix 38
38
B
297 313Right-handed alpha
Helix 39
39
B
318 329Right-handed alpha
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There are 4 sheets in PDB entry 1XDS. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 2 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
79 80first strand
Strand 2
A
90 91anti-parallel
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There are 7 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
234 238first strand
Strand 2
A
208 213parallel
Strand 3
A
185 189parallel
Strand 4
A
249 255parallel
Strand 5
A
277 287parallel
Strand 6
A
347 355anti-parallel
Strand 7
A
331 340anti-parallel
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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
B
79 80first strand
Strand 2
B
90 91anti-parallel
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There are 7 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
234 236first strand
Strand 2
B
208 212parallel
Strand 3
B
185 189parallel
Strand 4
B
249 255parallel
Strand 5
B
277 287parallel
Strand 6
B
348 355anti-parallel
Strand 7
B
331 339anti-parallel
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