Analysis of interatomic Contacts of Structural Units in PDB entry:
1AI3


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 1AI3 entry

There is 1 chain in PDB entry 1AI3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 3MET 416
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 16 helices in PDB entry 1AI3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
36 57Right-handed 310
Helix 2
2
A
72 78Right-handed alpha
Helix 3
3
A
86 95Right-handed alpha
Helix 4
4
A
114 121Right-handed alpha
Helix 5
5
A
144 146Right-handed 310
Helix 6
6
A
159 161Right-handed 310
Helix 7
7
A
170 181Right-handed alpha
Helix 8
8
A
203 219Right-handed alpha
Helix 9
9
A
238 253Right-handed alpha
Helix 10
10
A
282 291Right-handed alpha
Helix 11
11
A
293 295Right-handed 310
Helix 12
12
A
303 316Right-handed alpha
Helix 13
13
A
354 366Right-handed alpha
Helix 14
14
A
370 385Right-handed alpha
Helix 15
15
A
391 396Right-handed alpha
Helix 16
16
A
405 414Right-handed alpha
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There are 2 sheets in PDB entry 1AI3. Click on sheet of interest to get list of strands forming it: A, B,

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
15 17first strand
Strand 2
A
20 22anti-parallel
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There are 11 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
64 67first strand
Strand 2
A
28 32parallel
Strand 3
A
97 100parallel
Strand 4
A
333 336parallel
Strand 5
A
326 328anti-parallel
Strand 6
A
126 132anti-parallel
Strand 7
A
148 154anti-parallel
Strand 8
A
298 301parallel
Strand 9
A
224 229parallel
Strand 10
A
274 281parallel
Strand 11
A
264 267anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il