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


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 2RAS entry

There are 2 chains in PDB entry 2RAS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 5SER 204
B
 GLY 5LEU 208
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 27 helices in PDB entry 2RAS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
5 27Right-handed alpha
Helix 2
2
A
32 41Right-handed alpha
Helix 3
3
A
43 48Right-handed alpha
Helix 4
4
A
53 65Right-handed alpha
Helix 5
5
A
66 79Right-handed alpha
Helix 6
6
A
82 105Right-handed alpha
Helix 7
7
A
105 119Right-handed alpha
Helix 8
8
A
119 144Right-handed alpha
Helix 9
9
A
151 163Right-handed alpha
Helix 10
10
A
164 167Right-handed 310
Helix 11
11
A
168 176Right-handed alpha
Helix 12
12
A
177 179Right-handed 310
Helix 13
13
A
180 195Right-handed alpha
Helix 14
14
B
5 27Right-handed alpha
Helix 15
15
B
28 31Right-handed 310
Helix 16
16
B
32 41Right-handed alpha
Helix 17
17
B
43 49Right-handed alpha
Helix 18
18
B
53 65Right-handed alpha
Helix 19
19
B
66 79Right-handed alpha
Helix 20
20
B
82 105Right-handed alpha
Helix 21
21
B
105 119Right-handed alpha
Helix 22
22
B
119 145Right-handed alpha
Helix 23
23
B
151 163Right-handed alpha
Helix 24
24
B
164 167Right-handed 310
Helix 25
25
B
168 176Right-handed alpha
Helix 26
26
B
177 179Right-handed 310
Helix 27
27
B
180 195Right-handed alpha
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There are no sheets in PDB entry 2RAS
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