Analysis of interatomic Contacts of Structural Units in PDB entry:
2XSA


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 2XSA entry

There is 1 chain in PDB entry 2XSA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1VAL 447
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 18 helices in PDB entry 2XSA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
15 29Right-handed alpha
Helix 2
2
A
53 69Right-handed alpha
Helix 3
3
A
88 105Right-handed alpha
Helix 4
4
A
131 147Right-handed alpha
Helix 5
5
A
161 166Right-handed alpha
Helix 6
6
A
168 171Right-handed 310
Helix 7
7
A
172 182Right-handed alpha
Helix 8
8
A
201 213Right-handed alpha
Helix 9
9
A
241 248Right-handed 310
Helix 10
10
A
258 261Right-handed 310
Helix 11
11
A
262 275Right-handed alpha
Helix 12
12
A
279 292Right-handed alpha
Helix 13
13
A
293 295Right-handed 310
Helix 14
14
A
305 316Right-handed alpha
Helix 15
15
A
323 337Right-handed alpha
Helix 16
16
A
346 372Right-handed alpha
Helix 17
17
A
375 405Right-handed alpha
Helix 18
18
A
426 435Right-handed alpha
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There are 2 sheets in PDB entry 2XSA. Click on sheet of interest to get list of strands forming it: AA, AB,

There are 9 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
2 7first strand
Strand 2
A
250 253parallel
Strand 3
A
217 220parallel
Strand 4
A
187 190parallel
Strand 5
A
152 156parallel
Strand 6
A
109 113parallel
Strand 7
A
73 78parallel
Strand 8
A
33 36parallel
Strand 9
A
2 7parallel
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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
436 437first strand
Strand 2
A
443 444anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il