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


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 4IFA entry

There is 1 chain in PDB entry 4IFA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 41LYS 344
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 11 helices in PDB entry 4IFA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
55 60Right-handed alpha
Helix 2
2
A
63 72Right-handed alpha
Helix 3
3
A
92 95Right-handed 310
Helix 4
4
A
126 134Right-handed alpha
Helix 5
5
A
154 161Right-handed alpha
Helix 6
6
A
189 197Right-handed alpha
Helix 7
7
A
214 240Right-handed alpha
Helix 8
8
A
248 266Right-handed alpha
Helix 9
9
A
277 285Right-handed alpha
Helix 10
10
A
302 312Right-handed alpha
Helix 11
11
A
313 321Right-handed alpha
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There are 3 sheets in PDB entry 4IFA. Click on sheet of interest to get list of strands forming it: A, B, C,

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
76 79first strand
Strand 2
A
85 89anti-parallel
Strand 3
A
97 102anti-parallel
Strand 4
A
105 111anti-parallel
Strand 5
A
181 188anti-parallel
Strand 6
A
169 176anti-parallel
Strand 7
A
163 166anti-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
139 144first strand
Strand 2
A
147 152anti-parallel
Strand 3
A
200 203anti-parallel
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There are 4 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
246 247first strand
Strand 2
A
327 333parallel
Strand 3
A
336 343anti-parallel
Strand 4
A
291 298anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il