Analysis of interatomic Contacts of Structural Units in PDB entry:
1S3I


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 1S3I entry

There is 1 chain in PDB entry 1S3I (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LYS 307
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 1S3I. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
9 22Right-handed alpha
Helix 2
2
A
40 50Right-handed alpha
Helix 3
3
A
66 75Right-handed alpha
Helix 4
4
A
91 96Right-handed alpha
Helix 5
5
A
117 125Right-handed alpha
Helix 6
6
A
159 167Right-handed alpha
Helix 7
7
A
167 186Right-handed alpha
Helix 8
8
A
205 210Right-handed 310
Helix 9
9
A
216 226Right-handed alpha
Helix 10
10
A
303 305Right-handed 310
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There are 4 sheets in PDB entry 1S3I. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 7 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
53 54first strand
Strand 2
A
25 30parallel
Strand 3
A
2 7parallel
Strand 4
A
80 85parallel
Strand 5
A
102 106parallel
Strand 6
A
129 136anti-parallel
Strand 7
A
146 153anti-parallel
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There are 2 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
60 61first strand
Strand 2
A
64 65anti-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
A
233 237first strand
Strand 2
A
240 248anti-parallel
Strand 3
A
286 294anti-parallel
Strand 4
A
276 280anti-parallel
Strand 5
A
271 273anti-parallel
Strand 6
A
259 260anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
233 237first strand
Strand 2
A
240 248anti-parallel
Strand 3
A
286 294anti-parallel
Strand 4
A
299 301anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il