Analysis of interatomic Contacts of Structural Units in PDB entry:
3SPE


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 3SPE entry

There are 2 chains in PDB entry 3SPE (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 102GLY 381
B
 ASN 103GLY 381
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 13 helices in PDB entry 3SPE. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
198 202Right-handed 310
Helix 2
2
A
220 228Right-handed alpha
Helix 3
3
A
276 285Right-handed alpha
Helix 4
4
A
307 326Right-handed alpha
Helix 5
5
A
327 332Right-handed 310
Helix 6
6
A
335 339Right-handed 310
Helix 7
7
A
359 363Right-handed 310
Helix 8
8
B
198 202Right-handed 310
Helix 9
9
B
220 228Right-handed alpha
Helix 10
10
B
276 285Right-handed alpha
Helix 11
11
B
307 326Right-handed alpha
Helix 12
12
B
327 332Right-handed 310
Helix 13
13
B
335 339Right-handed 310
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There are 10 sheets in PDB entry 3SPE. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 3 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
171 176first strand
Strand 2
A
183 193anti-parallel
Strand 3
A
305 306anti-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
171 176first strand
Strand 2
A
183 193anti-parallel
Strand 3
A
106 118anti-parallel
Strand 4
A
148 157anti-parallel
Strand 5
A
355 357parallel
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There are 3 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
247 248first strand
Strand 2
A
232 238anti-parallel
Strand 3
A
258 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
247 248first strand
Strand 2
A
232 238anti-parallel
Strand 3
A
204 210anti-parallel
Strand 4
A
373 374anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
267 268first strand
Strand 2
A
273 274anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
171 176first strand
Strand 2
B
183 193anti-parallel
Strand 3
B
305 306anti-parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
171 176first strand
Strand 2
B
183 193anti-parallel
Strand 3
B
106 118anti-parallel
Strand 4
B
148 157anti-parallel
Strand 5
B
355 357parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
247 248first strand
Strand 2
B
232 238anti-parallel
Strand 3
B
258 260anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
247 248first strand
Strand 2
B
232 238anti-parallel
Strand 3
B
204 210anti-parallel
Strand 4
B
368 374anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
267 268first strand
Strand 2
B
273 274anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il