Analysis of interatomic Contacts of Structural Units in PDB entry:
2D21


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 2D21 entry

There is 1 chain in PDB entry 2D21 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 1LYS 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 17 helices in PDB entry 2D21. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 32Right-handed alpha
Helix 2
2
A
42 51Right-handed alpha
Helix 3
3
A
52 54Right-handed 310
Helix 4
4
A
64 71Right-handed alpha
Helix 5
5
A
83 88Right-handed alpha
Helix 6
6
A
90 96Right-handed alpha
Helix 7
7
A
128 130Right-handed 310
Helix 8
8
A
131 141Right-handed alpha
Helix 9
9
A
153 162Right-handed alpha
Helix 10
10
A
185 201Right-handed alpha
Helix 11
11
A
209 219Right-handed alpha
Helix 12
12
A
273 281Right-handed alpha
Helix 13
13
A
288 297Right-handed alpha
Helix 14
14
A
304 312Right-handed alpha
Helix 15
15
A
314 326Right-handed alpha
Helix 16
16
A
335 352Right-handed alpha
Helix 17
17
A
356 370Right-handed alpha
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There are 3 sheets in PDB entry 2D21. Click on sheet of interest to get list of strands forming it: A, B, C,

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
6 10first strand
Strand 2
A
34 38parallel
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There are 3 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
59 63first strand
Strand 2
A
262 266anti-parallel
Strand 3
A
106 109anti-parallel
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There are 2 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
116 117first strand
Strand 2
A
224 225anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il