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


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 2IXB entry

There is 1 chain in PDB entry 2IXB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 19TYR 444
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 20 helices in PDB entry 2IXB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
30 41Right-handed alpha
Helix 2
2
A
55 68Right-handed alpha
Helix 3
3
A
82 88Right-handed alpha
Helix 4
4
A
101 103Right-handed 310
Helix 5
5
A
104 114Right-handed alpha
Helix 6
6
A
128 141Right-handed alpha
Helix 7
7
A
151 153Right-handed 310
Helix 8
8
A
155 166Right-handed alpha
Helix 9
9
A
184 188Right-handed alpha
Helix 10
10
A
209 211Right-handed 310
Helix 11
11
A
212 220Right-handed alpha
Helix 12
12
A
227 237Right-handed alpha
Helix 13
13
A
256 266Right-handed alpha
Helix 14
14
A
272 274Right-handed 310
Helix 15
15
A
349 355Right-handed alpha
Helix 16
16
A
358 364Right-handed alpha
Helix 17
17
A
365 367Right-handed 310
Helix 18
18
A
374 389Right-handed alpha
Helix 19
19
A
397 416Right-handed alpha
Helix 20
20
A
430 432Right-handed 310
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There are 2 sheets in PDB entry 2IXB. Click on sheet of interest to get list of strands forming it: AA, AB,

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
74 76first strand
Strand 2
A
45 51parallel
Strand 3
A
21 26parallel
Strand 4
A
94 97parallel
Strand 5
A
117 120parallel
Strand 6
A
145 147parallel
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There are 7 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
331 334first strand
Strand 2
A
319 322anti-parallel
Strand 3
A
312 315anti-parallel
Strand 4
A
173 180anti-parallel
Strand 5
A
294 300parallel
Strand 6
A
283 289anti-parallel
Strand 7
A
246 252anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il