Analysis of interatomic Contacts of Structural Units in PDB entry:
1S2T


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 1S2T entry

There are 2 chains in PDB entry 1S2T (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 5ASN 295
B
 LYS 4LYS 294
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 26 helices in PDB entry 1S2T. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
6 16Right-handed alpha
Helix 2
2
A
28 38Right-handed alpha
Helix 3
3
A
46 55Right-handed alpha
Helix 4
4
A
63 77Right-handed alpha
Helix 5
5
A
92 107Right-handed alpha
Helix 6
6
A
134 149Right-handed alpha
Helix 7
7
A
168 182Right-handed alpha
Helix 8
8
A
196 207Right-handed alpha
Helix 9
9
A
223 230Right-handed alpha
Helix 10
10
A
239 260Right-handed alpha
Helix 11
11
A
271 279Right-handed alpha
Helix 12
12
A
280 292Right-handed alpha
Helix 13
13
B
6 17Right-handed alpha
Helix 14
14
B
28 39Right-handed alpha
Helix 15
15
B
46 55Right-handed alpha
Helix 16
16
B
63 77Right-handed alpha
Helix 17
17
B
92 107Right-handed alpha
Helix 18
18
B
134 149Right-handed alpha
Helix 19
19
B
168 182Right-handed alpha
Helix 20
20
B
196 207Right-handed alpha
Helix 21
21
B
216 220Right-handed 310
Helix 22
22
B
223 230Right-handed alpha
Helix 23
23
B
239 260Right-handed alpha
Helix 24
24
B
265 269Right-handed 310
Helix 25
25
B
271 279Right-handed alpha
Helix 26
26
B
280 292Right-handed alpha
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There are 2 sheets in PDB entry 1S2T. Click on sheet of interest to get list of strands forming it: A, B,

There are 9 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
21 26first strand
Strand 2
A
43 45parallel
Strand 3
A
82 85parallel
Strand 4
A
110 114parallel
Strand 5
A
155 160parallel
Strand 6
A
186 189parallel
Strand 7
A
212 214parallel
Strand 8
A
234 237parallel
Strand 9
A
21 26parallel
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There are 9 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
21 26first strand
Strand 2
B
43 45parallel
Strand 3
B
82 85parallel
Strand 4
B
110 114parallel
Strand 5
B
155 160parallel
Strand 6
B
186 189parallel
Strand 7
B
212 214parallel
Strand 8
B
234 237parallel
Strand 9
B
21 26parallel
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