Analysis of interatomic Contacts of Structural Units in PDB entry:
3SI2


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 3SI2 entry

There is 1 chain in PDB entry 3SI2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 36LEU 362
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 16 helices in PDB entry 3SI2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
36 44Right-handed 310
Helix 2
2
A
50 61Right-handed alpha
Helix 3
3
A
62 70Right-handed alpha
Helix 4
4
A
71 75Right-handed 310
Helix 5
5
A
82 98Right-handed alpha
Helix 6
6
A
161 175Right-handed alpha
Helix 7
7
A
175 181Right-handed alpha
Helix 8
8
A
182 184Right-handed 310
Helix 9
9
A
214 226Right-handed alpha
Helix 10
10
A
237 241Right-handed alpha
Helix 11
11
A
262 264Right-handed 310
Helix 12
12
A
265 282Right-handed alpha
Helix 13
13
A
289 293Right-handed 310
Helix 14
14
A
308 313Right-handed alpha
Helix 15
15
A
336 340Right-handed 310
Helix 16
16
A
341 361Right-handed alpha
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There is 1 sheet ( A) in PDB entry 3SI2.

There are 6 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
103 114first strand
Strand 2
A
117 128anti-parallel
Strand 3
A
192 199anti-parallel
Strand 4
A
134 141parallel
Strand 5
A
242 249parallel
Strand 6
A
318 322parallel
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