Analysis of interatomic Contacts of Structural Units in PDB entry:
4IF2


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 4IF2 entry

There are 2 chains in PDB entry 4IF2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 2LEU 144
A
 CYS 146TYR 325
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 18 helices in PDB entry 4IF2. 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 16Right-handed 310
Helix 2
2
A
29 36Right-handed alpha
Helix 3
3
A
42 60Right-handed alpha
Helix 4
4
A
76 85Right-handed alpha
Helix 5
5
A
104 108Right-handed 310
Helix 6
6
A
121 132Right-handed alpha
Helix 7
7
A
154 172Right-handed alpha
Helix 8
8
A
184 196Right-handed alpha
Helix 9
9
A
199 201Right-handed 310
Helix 10
10
A
207 211Right-handed 310
Helix 11
11
A
213 223Right-handed alpha
Helix 12
12
A
239 253Right-handed alpha
Helix 13
13
A
255 257Right-handed 310
Helix 14
14
A
276 281Right-handed alpha
Helix 15
15
A
287 292Right-handed alpha
Helix 16
16
A
292 300Right-handed alpha
Helix 17
17
A
303 312Right-handed alpha
Helix 18
18
A
312 321Right-handed alpha
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There are 4 sheets in PDB entry 4IF2. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
3 4first strand
Strand 2
A
11 12anti-parallel
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There are 3 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
19 23first strand
Strand 2
A
64 67parallel
Strand 3
A
90 92parallel
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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
26 27first strand
Strand 2
A
268 269parallel
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There are 6 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
94 96first strand
Strand 2
A
143 148parallel
Strand 3
A
175 179parallel
Strand 4
A
203 205parallel
Strand 5
A
226 229parallel
Strand 6
A
259 261parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il