Analysis of interatomic Contacts of Structural Units in PDB entry:
1S3L


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 1S3L entry

There are 2 chains in PDB entry 1S3L (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LEU 165
B
 MET 201LEU 365
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 10 helices in PDB entry 1S3L. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 26Right-handed alpha
Helix 2
2
A
40 46Right-handed alpha
Helix 3
3
A
47 49Right-handed 310
Helix 4
4
A
63 75Right-handed alpha
Helix 5
5
A
100 111Right-handed alpha
Helix 6
6
B
212 226Right-handed alpha
Helix 7
7
B
240 246Right-handed alpha
Helix 8
8
B
247 249Right-handed 310
Helix 9
9
B
263 275Right-handed alpha
Helix 10
10
B
300 311Right-handed alpha
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There are 4 sheets in PDB entry 1S3L. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 6 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 81first strand
Strand 2
A
52 56parallel
Strand 3
A
30 33parallel
Strand 4
A
2 6parallel
Strand 5
A
149 154anti-parallel
Strand 6
A
159 164anti-parallel
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There are 5 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
83 88first strand
Strand 2
A
91 97anti-parallel
Strand 3
A
115 119parallel
Strand 4
A
132 136parallel
Strand 5
A
125 129anti-parallel
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There are 6 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
279 281first strand
Strand 2
B
252 256parallel
Strand 3
B
230 233parallel
Strand 4
B
202 206parallel
Strand 5
B
349 354anti-parallel
Strand 6
B
359 364anti-parallel
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There are 5 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
283 288first strand
Strand 2
B
291 297anti-parallel
Strand 3
B
315 319parallel
Strand 4
B
332 336parallel
Strand 5
B
325 329anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il