Analysis of interatomic Contacts of Structural Units in PDB entry:
1SI7


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 1SI7 entry

There is 1 chain in PDB entry 1SI7 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1THR 340
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 12 helices in PDB entry 1SI7. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
3 7Right-handed 310
Helix 2
2
A
23 25Right-handed 310
Helix 3
3
A
54 66Right-handed alpha
Helix 4
4
A
140 155Right-handed alpha
Helix 5
5
A
161 168Right-handed 310
Helix 6
6
A
169 180Right-handed alpha
Helix 7
7
A
187 211Right-handed alpha
Helix 8
8
A
237 239Right-handed 310
Helix 9
9
A
240 250Right-handed alpha
Helix 10
10
A
268 279Right-handed alpha
Helix 11
11
A
282 292Right-handed alpha
Helix 12
12
A
330 335Right-handed alpha
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There are 4 sheets in PDB entry 1SI7. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 4 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
73 75first strand
Strand 2
A
84 92anti-parallel
Strand 3
A
43 51anti-parallel
Strand 4
A
111 117anti-parallel
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There are 6 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
73 75first strand
Strand 2
A
84 92anti-parallel
Strand 3
A
27 32parallel
Strand 4
A
128 135anti-parallel
Strand 5
A
317 325anti-parallel
Strand 6
A
306 314anti-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
A
156 157first strand
Strand 2
A
302 303anti-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 235first strand
Strand 2
A
224 227anti-parallel
Strand 3
A
253 259anti-parallel
Strand 4
A
297 300anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il