Analysis of interatomic Contacts of Structural Units in PDB entry:
3SN4


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 3SN4 entry

There is 1 chain in PDB entry 3SN4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 0GLN 395
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 18 helices in PDB entry 3SN4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
43 56Right-handed alpha
Helix 2
2
A
62 74Right-handed alpha
Helix 3
3
A
75 78Right-handed 310
Helix 4
4
A
79 101Right-handed alpha
Helix 5
5
A
104 109Right-handed 310
Helix 6
6
A
125 131Right-handed alpha
Helix 7
7
A
141 155Right-handed alpha
Helix 8
8
A
176 180Right-handed 310
Helix 9
9
A
190 209Right-handed alpha
Helix 10
10
A
223 234Right-handed alpha
Helix 11
11
A
248 258Right-handed alpha
Helix 12
12
A
270 281Right-handed alpha
Helix 13
13
A
290 295Right-handed alpha
Helix 14
14
A
295 309Right-handed alpha
Helix 15
15
A
320 334Right-handed alpha
Helix 16
16
A
350 354Right-handed 310
Helix 17
17
A
378 385Right-handed alpha
Helix 18
18
A
391 395Right-handed 310
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There are 4 sheets in PDB entry 3SN4. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
3 12first strand
Strand 2
A
17 25anti-parallel
Strand 3
A
30 35anti-parallel
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There are 4 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
340 342first strand
Strand 2
A
116 121parallel
Strand 3
A
364 366anti-parallel
Strand 4
A
360 361anti-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
159 162first strand
Strand 2
A
213 217parallel
Strand 3
A
241 243parallel
Strand 4
A
263 265parallel
Strand 5
A
286 289parallel
Strand 6
A
312 315parallel
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There are 2 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
165 166first strand
Strand 2
A
173 174anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il