Analysis of interatomic Contacts of Structural Units in PDB entry:
4I4C


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 4I4C entry

There are 2 chains in PDB entry 4I4C (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 14ARG 415
B
 LYS 18ARG 415
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 40 helices in PDB entry 4I4C. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 18Right-handed 310
Helix 2
2
A
22 26Right-handed 310
Helix 3
3
A
30 45Right-handed alpha
Helix 4
4
A
53 61Right-handed alpha
Helix 5
5
A
63 76Right-handed alpha
Helix 6
6
A
97 115Right-handed alpha
Helix 7
7
A
120 137Right-handed alpha
Helix 8
8
A
143 164Right-handed alpha
Helix 9
9
A
205 208Right-handed 310
Helix 10
10
A
209 216Right-handed alpha
Helix 11
11
A
217 221Right-handed 310
Helix 12
12
A
232 236Right-handed 310
Helix 13
13
A
245 255Right-handed alpha
Helix 14
14
A
256 258Right-handed 310
Helix 15
15
A
272 285Right-handed alpha
Helix 16
16
A
305 310Right-handed alpha
Helix 17
17
A
313 324Right-handed alpha
Helix 18
18
A
330 338Right-handed alpha
Helix 19
19
A
339 342Right-handed 310
Helix 20
20
A
370 380Right-handed alpha
Helix 21
21
A
393 414Right-handed alpha
Helix 22
22
B
22 26Right-handed 310
Helix 23
23
B
30 45Right-handed alpha
Helix 24
24
B
53 61Right-handed alpha
Helix 25
25
B
63 76Right-handed alpha
Helix 26
26
B
97 114Right-handed alpha
Helix 27
27
B
117 137Right-handed alpha
Helix 28
28
B
143 164Right-handed alpha
Helix 29
29
B
205 208Right-handed 310
Helix 30
30
B
209 216Right-handed alpha
Helix 31
31
B
217 221Right-handed 310
Helix 32
32
B
232 236Right-handed 310
Helix 33
33
B
245 253Right-handed alpha
Helix 34
34
B
272 285Right-handed alpha
Helix 35
35
B
305 310Right-handed alpha
Helix 36
36
B
313 324Right-handed alpha
Helix 37
37
B
330 338Right-handed alpha
Helix 38
38
B
339 342Right-handed 310
Helix 39
39
B
370 380Right-handed alpha
Helix 40
40
B
393 414Right-handed alpha
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There are 3 sheets in PDB entry 4I4C. 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
28 29first strand
Strand 2
A
328 329parallel
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There are 8 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
167 175first strand
Strand 2
A
178 186anti-parallel
Strand 3
A
223 226anti-parallel
Strand 4
A
193 199parallel
Strand 5
A
261 271parallel
Strand 6
A
291 295parallel
Strand 7
A
358 363parallel
Strand 8
A
385 389parallel
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There are 8 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
167 175first strand
Strand 2
B
178 186anti-parallel
Strand 3
B
223 227anti-parallel
Strand 4
B
193 199parallel
Strand 5
B
261 271parallel
Strand 6
B
289 295parallel
Strand 7
B
358 363parallel
Strand 8
B
385 389parallel
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