Analysis of interatomic Contacts of Structural Units in PDB entry:
2I4C


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 2I4C entry

There is 1 chain in PDB entry 2I4C (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 52VAL 452
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 24 helices in PDB entry 2I4C. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
68 70Right-handed 310
Helix 2
2
A
71 80Right-handed alpha
Helix 3
3
A
81 86Right-handed alpha
Helix 4
4
A
98 109Right-handed alpha
Helix 5
5
A
123 130Right-handed alpha
Helix 6
6
A
158 161Right-handed 310
Helix 7
7
A
169 171Right-handed 310
Helix 8
8
A
172 178Right-handed alpha
Helix 9
9
A
178 184Right-handed alpha
Helix 10
10
A
196 209Right-handed alpha
Helix 11
11
A
223 234Right-handed alpha
Helix 12
12
A
244 252Right-handed alpha
Helix 13
13
A
261 265Right-handed alpha
Helix 14
14
A
277 283Right-handed alpha
Helix 15
15
A
283 303Right-handed alpha
Helix 16
16
A
306 316Right-handed alpha
Helix 17
17
A
324 329Right-handed alpha
Helix 18
18
A
330 332Right-handed 310
Helix 19
19
A
347 350Right-handed 310
Helix 20
20
A
365 379Right-handed alpha
Helix 21
21
A
388 400Right-handed alpha
Helix 22
22
A
401 413Right-handed alpha
Helix 23
23
A
414 418Right-handed 310
Helix 24
24
A
439 447Right-handed alpha
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There are 4 sheets in PDB entry 2I4C. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 5 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
90 95first strand
Strand 2
A
60 65parallel
Strand 3
A
117 120parallel
Strand 4
A
272 276anti-parallel
Strand 5
A
141 146anti-parallel
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There are 5 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
218 221first strand
Strand 2
A
188 191parallel
Strand 3
A
238 242parallel
Strand 4
A
152 156anti-parallel
Strand 5
A
256 260anti-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
334 335first strand
Strand 2
A
344 345anti-parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
427 428first strand
Strand 2
A
434 435anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il