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


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 3SIG entry

There is 1 chain in PDB entry 3SIG (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 3PHE 276
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 3SIG. 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 20Right-handed alpha
Helix 2
2
A
32 42Right-handed alpha
Helix 3
3
A
47 57Right-handed alpha
Helix 4
4
A
75 87Right-handed alpha
Helix 5
5
A
105 109Right-handed 310
Helix 6
6
A
112 121Right-handed alpha
Helix 7
7
A
122 128Right-handed alpha
Helix 8
8
A
130 141Right-handed alpha
Helix 9
9
A
181 186Right-handed alpha
Helix 10
10
A
187 189Right-handed 310
Helix 11
11
A
190 212Right-handed alpha
Helix 12
12
A
230 243Right-handed alpha
Helix 13
13
A
266 276Right-handed alpha
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There are 2 sheets in PDB entry 3SIG. Click on sheet of interest to get list of strands forming it: A, B,

There are 2 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
21 23first strand
Strand 2
A
29 31anti-parallel
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There are 7 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
44 46first strand
Strand 2
A
149 159anti-parallel
Strand 3
A
165 177anti-parallel
Strand 4
A
92 96parallel
Strand 5
A
216 219parallel
Strand 6
A
254 258parallel
Strand 7
A
68 72parallel
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