Analysis of interatomic Contacts of Structural Units in PDB entry:
2FA1


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 2FA1 entry

There are 2 chains in PDB entry 2FA1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 83HIS 241
B
 HIS 83HIS 241
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 2FA1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
114 122Right-handed alpha
Helix 2
2
A
152 154Right-handed 310
Helix 3
3
A
155 160Right-handed alpha
Helix 4
4
A
166 176Right-handed alpha
Helix 5
5
A
193 200Right-handed alpha
Helix 6
6
B
96 100Right-handed 310
Helix 7
7
B
114 122Right-handed alpha
Helix 8
8
B
152 154Right-handed 310
Helix 9
9
B
155 160Right-handed alpha
Helix 10
10
B
166 176Right-handed alpha
Helix 11
11
B
193 200Right-handed alpha
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There are 2 sheets in PDB entry 2FA1. Click on sheet of interest to get list of strands forming it: A, B,

There are 8 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
90 93first strand
Strand 2
A
235 240parallel
Strand 3
B
179 190anti-parallel
Strand 4
B
206 216anti-parallel
Strand 5
B
224 231anti-parallel
Strand 6
B
141 150anti-parallel
Strand 7
B
128 138anti-parallel
Strand 8
B
104 112anti-parallel
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There are 8 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
104 112first strand
Strand 2
A
128 138anti-parallel
Strand 3
A
141 150anti-parallel
Strand 4
A
224 231anti-parallel
Strand 5
A
206 216anti-parallel
Strand 6
A
179 190anti-parallel
Strand 7
B
235 240anti-parallel
Strand 8
B
90 93parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il