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


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 2IHB entry

There are 2 chains in PDB entry 2IHB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 33LYS 349
B
 LEU 24LEU 145
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 27 helices in PDB entry 2IHB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
45 58Right-handed alpha
Helix 2
2
A
62 68Right-handed alpha
Helix 3
3
A
69 92Right-handed alpha
Helix 4
4
A
99 110Right-handed alpha
Helix 5
5
A
111 115Right-handed 310
Helix 6
6
A
120 133Right-handed alpha
Helix 7
7
A
133 142Right-handed alpha
Helix 8
8
A
143 146Right-handed 310
Helix 9
9
A
151 157Right-handed alpha
Helix 10
10
A
158 164Right-handed alpha
Helix 11
11
A
170 176Right-handed alpha
Helix 12
12
A
204 209Right-handed alpha
Helix 13
13
A
210 215Right-handed 310
Helix 14
14
A
228 232Right-handed 310
Helix 15
15
A
241 255Right-handed alpha
Helix 16
16
A
256 260Right-handed 310
Helix 17
17
A
270 281Right-handed alpha
Helix 18
18
A
282 286Right-handed 310
Helix 19
19
A
295 309Right-handed alpha
Helix 20
20
A
328 346Right-handed alpha
Helix 21
21
B
24 33Right-handed alpha
Helix 22
22
B
33 40Right-handed alpha
Helix 23
23
B
40 54Right-handed alpha
Helix 24
24
B
57 72Right-handed alpha
Helix 25
25
B
74 90Right-handed alpha
Helix 26
26
B
119 133Right-handed alpha
Helix 27
27
B
133 139Right-handed alpha
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There is 1 sheet ( A) in PDB entry 2IHB.

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
184 191first strand
Strand 2
A
194 201anti-parallel
Strand 3
A
34 39parallel
Strand 4
A
220 226parallel
Strand 5
A
263 269parallel
Strand 6
A
319 323parallel
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