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


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 2XNC entry

There are 2 chains in PDB entry 2XNC (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 14TRP 300
B
 HIS 13TRP 300
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 2XNC. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
115 124Right-handed alpha
Helix 2
2
A
159 171Right-handed alpha
Helix 3
3
A
191 195Right-handed 310
Helix 4
4
A
197 208Right-handed alpha
Helix 5
5
A
231 238Right-handed alpha
Helix 6
6
A
239 248Right-handed alpha
Helix 7
7
A
261 277Right-handed alpha
Helix 8
8
A
280 291Right-handed alpha
Helix 9
9
B
116 124Right-handed alpha
Helix 10
10
B
159 171Right-handed alpha
Helix 11
11
B
191 195Right-handed 310
Helix 12
12
B
197 208Right-handed alpha
Helix 13
13
B
231 238Right-handed alpha
Helix 14
14
B
239 248Right-handed alpha
Helix 15
15
B
261 276Right-handed alpha
Helix 16
16
B
280 291Right-handed alpha
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There are 4 sheets in PDB entry 2XNC. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB,

There are 6 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
87 90first strand
Strand 2
A
69 73anti-parallel
Strand 3
A
129 136anti-parallel
Strand 4
A
32 41anti-parallel
Strand 5
A
51 57anti-parallel
Strand 6
A
104 110anti-parallel
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There are 5 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
212 218first strand
Strand 2
A
182 189parallel
Strand 3
A
149 155parallel
Strand 4
A
252 259parallel
Strand 5
A
294 299parallel
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There are 6 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
87 90first strand
Strand 2
B
69 73anti-parallel
Strand 3
B
129 136anti-parallel
Strand 4
B
32 41anti-parallel
Strand 5
B
51 57anti-parallel
Strand 6
B
104 110anti-parallel
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There are 5 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
212 218first strand
Strand 2
B
182 189parallel
Strand 3
B
149 155parallel
Strand 4
B
252 259parallel
Strand 5
B
294 299parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il