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


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 1SNG entry

There are 2 chains in PDB entry 1SNG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY -1ALA 40
A
 ALA 42ALA 367
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 11 helices in PDB entry 1SNG. 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 26Right-handed alpha
Helix 2
2
A
35 50Right-handed alpha
Helix 3
3
A
51 63Right-handed alpha
Helix 4
4
A
65 76Right-handed alpha
Helix 5
5
A
98 107Right-handed alpha
Helix 6
6
A
121 137Right-handed alpha
Helix 7
7
A
173 177Right-handed 310
Helix 8
8
A
227 231Right-handed 310
Helix 9
9
A
236 246Right-handed alpha
Helix 10
10
A
267 275Right-handed alpha
Helix 11
11
A
277 281Right-handed 310
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There are 3 sheets in PDB entry 1SNG. Click on sheet of interest to get list of strands forming it: A, B, C,

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
32 34first strand
Strand 2
A
351 358anti-parallel
Strand 3
A
342 348anti-parallel
Strand 4
A
220 225anti-parallel
Strand 5
A
208 214anti-parallel
Strand 6
A
187 205anti-parallel
Strand 7
A
178 184anti-parallel
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There are 8 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
32 34first strand
Strand 2
A
351 358anti-parallel
Strand 3
A
342 348anti-parallel
Strand 4
A
220 225anti-parallel
Strand 5
A
208 214anti-parallel
Strand 6
A
187 205anti-parallel
Strand 7
A
248 257anti-parallel
Strand 8
A
334 337parallel
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There are 5 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
111 116first strand
Strand 2
A
83 92parallel
Strand 3
A
156 165anti-parallel
Strand 4
A
298 307parallel
Strand 5
A
259 266anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il