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


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 2IFW entry

There are 6 chains in PDB entry 2IFW (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 1VAL 206
B
 THR 1VAL 206
C
 PHE 502PHE 504
C
 LEU 506LEU 506
D
 PHE 502PHE 504
D
 LEU 506LEU 506
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 is 1 helix in PDB entry 2IFW. Click on helix number for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
175 179Right-handed 310
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There are 11 sheets in PDB entry 2IFW. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K,

There are 3 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
2 4first strand
Strand 2
A
185 186anti-parallel
Strand 3
A
189 190anti-parallel
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There are 7 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
76 77first strand
Strand 2
A
64 71anti-parallel
Strand 3
A
51 59anti-parallel
Strand 4
A
35 42anti-parallel
Strand 5
A
130 136anti-parallel
Strand 6
A
6 12anti-parallel
Strand 7
A
180 182anti-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
A
113 118first strand
Strand 2
A
100 107anti-parallel
Strand 3
A
88 97anti-parallel
Strand 4
A
16 24anti-parallel
Strand 5
A
160 169anti-parallel
Strand 6
A
172 173anti-parallel
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There are 7 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
113 118first strand
Strand 2
A
100 107anti-parallel
Strand 3
A
88 97anti-parallel
Strand 4
A
16 24anti-parallel
Strand 5
A
160 169anti-parallel
Strand 6
A
200 205anti-parallel
Strand 7
A
192 197anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
27 29first strand
Strand 2
A
155 157anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
149 150first strand
Strand 2
A
139 141anti-parallel
Strand 3
C
502 504anti-parallel
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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
2 4first strand
Strand 2
B
185 186anti-parallel
Strand 3
B
189 190anti-parallel
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There are 7 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
76 77first strand
Strand 2
B
64 71anti-parallel
Strand 3
B
51 59anti-parallel
Strand 4
B
35 42anti-parallel
Strand 5
B
130 136anti-parallel
Strand 6
B
6 12anti-parallel
Strand 7
B
180 182anti-parallel
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There are 7 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
113 118first strand
Strand 2
B
100 107anti-parallel
Strand 3
B
88 97anti-parallel
Strand 4
B
16 24anti-parallel
Strand 5
B
160 169anti-parallel
Strand 6
B
200 205anti-parallel
Strand 7
B
192 197anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
27 29first strand
Strand 2
B
155 157anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
149 150first strand
Strand 2
B
139 141anti-parallel
Strand 3
D
502 504anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il