Analysis of interatomic Contacts of Structural Units in PDB entry:
2IGX


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 2IGX entry

There is 1 chain in PDB entry 2IGX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 1LEU 329
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 10 helices in PDB entry 2IGX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
51 55Right-handed 310
Helix 2
2
A
59 63Right-handed 310
Helix 3
3
A
108 112Right-handed 310
Helix 4
4
A
113 118Right-handed alpha
Helix 5
5
A
128 132Right-handed 310
Helix 6
6
A
138 146Right-handed alpha
Helix 7
7
A
174 176Right-handed 310
Helix 8
8
A
223 232Right-handed alpha
Helix 9
9
A
269 273Right-handed alpha
Helix 10
10
A
302 308Right-handed alpha
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There are 4 sheets in PDB entry 2IGX. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
289 291first strand
Strand 2
A
220 222parallel
Strand 3
A
298 301anti-parallel
Strand 4
A
204 213parallel
Strand 5
A
194 201anti-parallel
Strand 6
A
257 260anti-parallel
Strand 7
A
265 268anti-parallel
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There are 10 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
194 201first strand
Strand 2
A
178 189anti-parallel
Strand 3
A
319 325anti-parallel
Strand 4
A
309 314anti-parallel
Strand 5
A
153 157anti-parallel
Strand 6
A
166 170anti-parallel
Strand 7
A
4 11anti-parallel
Strand 8
A
15 22anti-parallel
Strand 9
A
81 93anti-parallel
Strand 10
A
67 76anti-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
81 93first strand
Strand 2
A
96 107anti-parallel
Strand 3
A
40 43parallel
Strand 4
A
122 125anti-parallel
Strand 5
A
27 34parallel
Strand 6
A
15 22anti-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
237 238first strand
Strand 2
A
245 248anti-parallel
Strand 3
A
284 287anti-parallel
Strand 4
A
274 276anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il