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


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 4IFB entry

There are 2 chains in PDB entry 4IFB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 2GLU 285
B
 ASP 3GLU 285
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 36 helices in PDB entry 4IFB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
19 29Right-handed alpha
Helix 2
2
A
46 59Right-handed alpha
Helix 3
3
A
63 69Right-handed alpha
Helix 4
4
A
70 75Right-handed alpha
Helix 5
5
A
80 89Right-handed alpha
Helix 6
6
A
101 105Right-handed 310
Helix 7
7
A
106 112Right-handed 310
Helix 8
8
A
122 135Right-handed alpha
Helix 9
9
A
145 156Right-handed alpha
Helix 10
10
A
162 171Right-handed alpha
Helix 11
11
A
172 174Right-handed 310
Helix 12
12
A
184 190Right-handed alpha
Helix 13
13
A
190 203Right-handed alpha
Helix 14
14
A
207 219Right-handed alpha
Helix 15
15
A
219 226Right-handed alpha
Helix 16
16
A
252 257Right-handed 310
Helix 17
17
A
259 274Right-handed alpha
Helix 18
18
A
278 282Right-handed 310
Helix 19
19
B
19 29Right-handed alpha
Helix 20
20
B
46 59Right-handed alpha
Helix 21
21
B
63 69Right-handed alpha
Helix 22
22
B
70 75Right-handed alpha
Helix 23
23
B
80 89Right-handed alpha
Helix 24
24
B
101 105Right-handed 310
Helix 25
25
B
106 112Right-handed 310
Helix 26
26
B
122 135Right-handed alpha
Helix 27
27
B
145 156Right-handed alpha
Helix 28
28
B
162 171Right-handed alpha
Helix 29
29
B
172 174Right-handed 310
Helix 30
30
B
184 190Right-handed alpha
Helix 31
31
B
190 203Right-handed alpha
Helix 32
32
B
207 219Right-handed alpha
Helix 33
33
B
219 225Right-handed alpha
Helix 34
34
B
252 257Right-handed 310
Helix 35
35
B
259 275Right-handed alpha
Helix 36
36
B
278 282Right-handed 310
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There are 4 sheets in PDB entry 4IFB. 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
6 8first strand
Strand 2
A
11 13anti-parallel
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There are 4 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
95 98first strand
Strand 2
A
37 41parallel
Strand 3
A
115 120parallel
Strand 4
A
179 183parallel
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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
B
6 8first strand
Strand 2
B
11 13anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
95 98first strand
Strand 2
B
37 41parallel
Strand 3
B
115 120parallel
Strand 4
B
179 183parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il