Analysis of interatomic Contacts of Structural Units in PDB entry:
4IOT


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 4IOT entry

There are 2 chains in PDB entry 4IOT (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1GLN 254
B
 MET 1GLN 254
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 30 helices in PDB entry 4IOT. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
15 31Right-handed alpha
Helix 2
2
A
43 45Right-handed 310
Helix 3
3
A
46 55Right-handed alpha
Helix 4
4
A
79 87Right-handed alpha
Helix 5
5
A
95 102Right-handed alpha
Helix 6
6
A
105 119Right-handed alpha
Helix 7
7
A
130 136Right-handed alpha
Helix 8
8
A
138 155Right-handed alpha
Helix 9
9
A
156 160Right-handed 310
Helix 10
10
A
168 172Right-handed 310
Helix 11
11
A
179 196Right-handed alpha
Helix 12
12
A
198 205Right-handed alpha
Helix 13
13
A
217 223Right-handed alpha
Helix 14
14
A
233 237Right-handed 310
Helix 15
15
A
238 254Right-handed alpha
Helix 16
16
B
15 30Right-handed alpha
Helix 17
17
B
43 45Right-handed 310
Helix 18
18
B
46 54Right-handed alpha
Helix 19
19
B
79 87Right-handed alpha
Helix 20
20
B
95 102Right-handed alpha
Helix 21
21
B
105 120Right-handed alpha
Helix 22
22
B
130 136Right-handed alpha
Helix 23
23
B
138 155Right-handed alpha
Helix 24
24
B
156 160Right-handed 310
Helix 25
25
B
168 172Right-handed 310
Helix 26
26
B
179 196Right-handed alpha
Helix 27
27
B
198 205Right-handed alpha
Helix 28
28
B
217 223Right-handed alpha
Helix 29
29
B
233 237Right-handed 310
Helix 30
30
B
238 254Right-handed alpha
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There are 2 sheets in PDB entry 4IOT. Click on sheet of interest to get list of strands forming it: A, B,

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
5 9first strand
Strand 2
A
37 41parallel
Strand 3
A
59 63parallel
Strand 4
A
88 93parallel
Strand 5
A
122 127parallel
Strand 6
A
163 166parallel
Strand 7
A
206 209parallel
Strand 8
A
229 232parallel
Strand 9
A
5 9parallel
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There are 9 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
5 9first strand
Strand 2
B
37 41parallel
Strand 3
B
60 63parallel
Strand 4
B
90 93parallel
Strand 5
B
122 127parallel
Strand 6
B
163 166parallel
Strand 7
B
206 209parallel
Strand 8
B
229 232parallel
Strand 9
B
5 9parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il