Analysis of interatomic Contacts of Structural Units in PDB entry:
2X3N


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 2X3N entry

There is 1 chain in PDB entry 2X3N (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 4THR 370
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 2X3N. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 27Right-handed alpha
Helix 2
2
A
50 60Right-handed alpha
Helix 3
3
A
62 69Right-handed alpha
Helix 4
4
A
95 99Right-handed 310
Helix 5
5
A
104 117Right-handed alpha
Helix 6
6
A
165 171Right-handed alpha
Helix 7
7
A
193 199Right-handed alpha
Helix 8
8
A
228 238Right-handed alpha
Helix 9
9
A
241 250Right-handed alpha
Helix 10
10
A
253 255Right-handed 310
Helix 11
11
A
256 262Right-handed alpha
Helix 12
12
A
291 293Right-handed 310
Helix 13
13
A
298 302Right-handed 310
Helix 14
14
A
303 324Right-handed alpha
Helix 15
15
A
328 358Right-handed alpha
Helix 16
16
A
360 370Right-handed alpha
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There are 5 sheets in PDB entry 2X3N. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE,

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
122 125first strand
Strand 2
A
31 34parallel
Strand 3
A
5 11parallel
Strand 4
A
151 159parallel
Strand 5
A
287 289anti-parallel
Strand 6
A
283 284parallel
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There are 6 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
122 125first strand
Strand 2
A
31 34parallel
Strand 3
A
5 11parallel
Strand 4
A
151 159parallel
Strand 5
A
141 146anti-parallel
Strand 6
A
130 135anti-parallel
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There are 3 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
48 49first strand
Strand 2
A
100 102anti-parallel
Strand 3
A
72 74anti-parallel
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There are 7 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
84 90first strand
Strand 2
A
76 81anti-parallel
Strand 3
A
200 204parallel
Strand 4
A
210 216anti-parallel
Strand 5
A
220 226anti-parallel
Strand 6
A
185 191anti-parallel
Strand 7
A
270 271anti-parallel
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There are 2 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
277 278first strand
Strand 2
A
295 296anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il