Analysis of interatomic Contacts of Structural Units in PDB entry:
4HDA


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 4HDA entry

There are 3 chains in PDB entry 4HDA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 35LEU 301
B
 THR 33ALA 302
F
 HIS 2LYS 3
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 25 helices in PDB entry 4HDA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
39 50Right-handed alpha
Helix 2
2
A
58 65Right-handed alpha
Helix 3
3
A
81 86Right-handed alpha
Helix 4
4
A
89 94Right-handed alpha
Helix 5
5
A
95 109Right-handed alpha
Helix 6
6
A
115 132Right-handed alpha
Helix 7
7
A
144 150Right-handed alpha
Helix 8
8
A
181 185Right-handed 310
Helix 9
9
A
200 204Right-handed 310
Helix 10
10
A
228 236Right-handed alpha
Helix 11
11
A
236 241Right-handed alpha
Helix 12
12
A
260 268Right-handed alpha
Helix 13
13
A
295 301Right-handed alpha
Helix 14
14
B
39 48Right-handed alpha
Helix 15
15
B
59 64Right-handed alpha
Helix 16
16
B
81 85Right-handed 310
Helix 17
17
B
87 94Right-handed alpha
Helix 18
18
B
97 108Right-handed alpha
Helix 19
19
B
115 130Right-handed alpha
Helix 20
20
B
146 150Right-handed 310
Helix 21
21
B
181 185Right-handed 310
Helix 22
22
B
228 242Right-handed alpha
Helix 23
23
B
256 260Right-handed 310
Helix 24
24
B
261 266Right-handed alpha
Helix 25
25
B
292 301Right-handed alpha
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There are 4 sheets in PDB entry 4HDA. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 6 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
154 156first strand
Strand 2
A
134 139parallel
Strand 3
A
52 57parallel
Strand 4
A
244 249parallel
Strand 5
A
271 275parallel
Strand 6
A
287 290parallel
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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
172 174first strand
Strand 2
A
159 166anti-parallel
Strand 3
A
216 220anti-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
B
154 156first strand
Strand 2
B
134 139parallel
Strand 3
B
52 57parallel
Strand 4
B
244 248parallel
Strand 5
B
271 275parallel
Strand 6
B
288 290parallel
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There are 3 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
172 174first strand
Strand 2
B
159 166anti-parallel
Strand 3
B
216 220anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il