Analysis of interatomic Contacts of Structural Units in PDB entry:
2IF6


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 2IF6 entry

There are 2 chains in PDB entry 2IF6 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TRP 19PHE 200
B
 TRP 19PRO 198
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 17 helices in PDB entry 2IF6. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
35 44Right-handed alpha
Helix 2
2
A
74 80Right-handed alpha
Helix 3
3
A
81 85Right-handed 310
Helix 4
4
A
96 108Right-handed alpha
Helix 5
5
A
109 111Right-handed 310
Helix 6
6
A
127 141Right-handed alpha
Helix 7
7
A
151 153Right-handed 310
Helix 8
8
A
157 169Right-handed alpha
Helix 9
9
A
180 186Right-handed alpha
Helix 10
10
B
35 44Right-handed alpha
Helix 11
11
B
74 81Right-handed alpha
Helix 12
12
B
82 85Right-handed 310
Helix 13
13
B
96 109Right-handed alpha
Helix 14
14
B
127 141Right-handed alpha
Helix 15
15
B
151 153Right-handed 310
Helix 16
16
B
157 169Right-handed alpha
Helix 17
17
B
180 186Right-handed alpha
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There are 4 sheets in PDB entry 2IF6. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 6 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
69 73first strand
Strand 2
A
59 65anti-parallel
Strand 3
A
49 56anti-parallel
Strand 4
A
26 29anti-parallel
Strand 5
A
86 91anti-parallel
Strand 6
A
190 196anti-parallel
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There are 2 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
148 149first strand
Strand 2
A
177 178anti-parallel
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There are 6 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
69 73first strand
Strand 2
B
59 65anti-parallel
Strand 3
B
49 56anti-parallel
Strand 4
B
26 29anti-parallel
Strand 5
B
86 91anti-parallel
Strand 6
B
190 196anti-parallel
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There are 2 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
148 149first strand
Strand 2
B
177 178anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il