Analysis of interatomic Contacts of Structural Units in PDB entry:
4IF8


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 4IF8 entry

There are 2 chains in PDB entry 4IF8 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 37LYS 414
B
 GLU 35GLY 413
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 23 helices in PDB entry 4IF8. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
38 67Right-handed alpha
Helix 2
2
A
75 87Right-handed alpha
Helix 3
3
A
91 102Right-handed alpha
Helix 4
4
A
108 124Right-handed alpha
Helix 5
5
A
147 159Right-handed alpha
Helix 6
6
A
169 185Right-handed alpha
Helix 7
7
A
219 223Right-handed 310
Helix 8
8
A
279 287Right-handed alpha
Helix 9
9
A
288 298Right-handed alpha
Helix 10
10
A
319 323Right-handed alpha
Helix 11
11
A
324 327Right-handed 310
Helix 12
12
A
329 333Right-handed 310
Helix 13
13
B
35 37Right-handed 310
Helix 14
14
B
38 67Right-handed alpha
Helix 15
15
B
75 88Right-handed alpha
Helix 16
16
B
91 102Right-handed alpha
Helix 17
17
B
108 124Right-handed alpha
Helix 18
18
B
147 159Right-handed alpha
Helix 19
19
B
169 185Right-handed alpha
Helix 20
20
B
281 286Right-handed alpha
Helix 21
21
B
289 298Right-handed alpha
Helix 22
22
B
319 325Right-handed alpha
Helix 23
23
B
329 333Right-handed 310
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There are 8 sheets in PDB entry 4IF8. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 7 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
72 74first strand
Strand 2
A
401 408anti-parallel
Strand 3
A
390 396anti-parallel
Strand 4
A
268 275anti-parallel
Strand 5
A
257 263anti-parallel
Strand 6
A
235 252anti-parallel
Strand 7
A
224 229anti-parallel
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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
72 74first strand
Strand 2
A
401 408anti-parallel
Strand 3
A
390 396anti-parallel
Strand 4
A
268 275anti-parallel
Strand 5
A
257 263anti-parallel
Strand 6
A
235 252anti-parallel
Strand 7
A
300 309anti-parallel
Strand 8
A
382 385parallel
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There are 3 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
125 126first strand
Strand 2
A
130 141anti-parallel
Strand 3
A
161 165parallel
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There are 5 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
125 126first strand
Strand 2
A
130 141anti-parallel
Strand 3
A
202 212anti-parallel
Strand 4
A
351 360parallel
Strand 5
A
311 318anti-parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
72 74first strand
Strand 2
B
401 408anti-parallel
Strand 3
B
390 396anti-parallel
Strand 4
B
268 275anti-parallel
Strand 5
B
257 263anti-parallel
Strand 6
B
235 252anti-parallel
Strand 7
B
224 229anti-parallel
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There are 8 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
72 74first strand
Strand 2
B
401 408anti-parallel
Strand 3
B
390 396anti-parallel
Strand 4
B
268 275anti-parallel
Strand 5
B
257 263anti-parallel
Strand 6
B
235 252anti-parallel
Strand 7
B
300 309anti-parallel
Strand 8
B
383 385parallel
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There are 3 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
125 126first strand
Strand 2
B
130 141anti-parallel
Strand 3
B
161 165parallel
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There are 5 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
125 126first strand
Strand 2
B
130 141anti-parallel
Strand 3
B
202 212anti-parallel
Strand 4
B
351 360parallel
Strand 5
B
311 318anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il