Analysis of interatomic Contacts of Structural Units in PDB entry:
1FA2


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 1FA2 entry

There is 1 chain in PDB entry 1FA2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1ASP 498
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 24 helices in PDB entry 1FA2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
8 12Right-handed 310
Helix 2
2
A
32 46Right-handed alpha
Helix 3
3
A
57 61Right-handed alpha
Helix 4
4
A
70 83Right-handed alpha
Helix 5
5
A
109 116Right-handed alpha
Helix 6
7
A
138 141Right-handed 310
Helix 7
8
A
151 166Right-handed alpha
Helix 8
9
A
166 173Right-handed alpha
Helix 9
10
A
183 186Right-handed 310
Helix 10
11
A
194 198Right-handed 310
Helix 11
12
A
211 224Right-handed alpha
Helix 12
13
A
234 238Right-handed 310
Helix 13
14
A
243 247Right-handed 310
Helix 14
15
A
254 257Right-handed 310
Helix 15
16
A
258 288Right-handed alpha
Helix 16
17
A
310 316Right-handed alpha
Helix 17
18
A
327 337Right-handed alpha
Helix 18
19
A
349 353Right-handed 310
Helix 19
20
A
354 358Right-handed 310
Helix 20
21
A
360 375Right-handed alpha
Helix 21
22
A
389 401Right-handed alpha
Helix 22
23
A
424 429Right-handed alpha
Helix 23
24
A
429 444Right-handed alpha
Helix 24
25
A
469 476Right-handed 310
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There are 3 sheets in PDB entry 1FA2. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 9 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
14 18first strand
Strand 2
A
50 56parallel
Strand 3
A
86 92parallel
Strand 4
A
175 180parallel
Strand 5
A
293 298parallel
Strand 6
A
340 343parallel
Strand 7
A
379 382parallel
Strand 8
A
417 420parallel
Strand 9
A
14 18parallel
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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
123 125first strand
Strand 2
A
131 136anti-parallel
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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
A
144 146first strand
Strand 2
A
149 150anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il