Analysis of interatomic Contacts of Structural Units in PDB entry:
1I4S


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 1I4S entry

There are 2 chains in PDB entry 1I4S (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ARG 147
B
 MET 201ARG 347
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 19 helices in PDB entry 1I4S. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
6 12Right-handed alpha
Helix 2
2
A
17 26Right-handed alpha
Helix 3
3
A
36 59Right-handed alpha
Helix 4
4
A
63 75Right-handed alpha
Helix 5
5
A
76 88Right-handed alpha
Helix 6
6
A
89 92Right-handed 310
Helix 7
7
A
101 120Right-handed alpha
Helix 8
8
A
123 136Right-handed alpha
Helix 9
9
A
135 146Right-handed alpha
Helix 10
10
B
206 212Right-handed alpha
Helix 11
11
B
217 226Right-handed alpha
Helix 12
12
B
227 231Right-handed 310
Helix 13
13
B
236 259Right-handed alpha
Helix 14
14
B
263 275Right-handed alpha
Helix 15
15
B
276 285Right-handed alpha
Helix 16
16
B
286 292Right-handed 310
Helix 17
17
B
301 320Right-handed alpha
Helix 18
18
B
323 336Right-handed alpha
Helix 19
19
B
335 345Right-handed alpha
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There are no sheets in PDB entry 1I4S
Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il