Analysis of interatomic Contacts of Structural Units in PDB entry:
2R3B


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 2R3B entry

There are 2 chains in PDB entry 2R3B (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU -6PRO 276
B
 HIS -7PRO 276
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 32 helices in PDB entry 2R3B. 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 13Right-handed alpha
Helix 2
2
A
21 25Right-handed 310
Helix 3
3
A
37 52Right-handed alpha
Helix 4
4
A
61 63Right-handed 310
Helix 5
5
A
64 72Right-handed alpha
Helix 6
6
A
82 93Right-handed alpha
Helix 7
7
A
105 119Right-handed alpha
Helix 8
8
A
129 138Right-handed alpha
Helix 9
9
A
144 146Right-handed 310
Helix 10
10
A
153 162Right-handed alpha
Helix 11
11
A
164 168Right-handed 310
Helix 12
12
A
169 181Right-handed alpha
Helix 13
13
A
206 210Right-handed 310
Helix 14
14
A
213 229Right-handed alpha
Helix 15
15
A
232 251Right-handed alpha
Helix 16
16
A
258 274Right-handed alpha
Helix 17
17
B
5 13Right-handed alpha
Helix 18
18
B
21 25Right-handed 310
Helix 19
19
B
37 52Right-handed alpha
Helix 20
20
B
61 63Right-handed 310
Helix 21
21
B
64 72Right-handed alpha
Helix 22
22
B
82 93Right-handed alpha
Helix 23
23
B
105 119Right-handed alpha
Helix 24
24
B
129 138Right-handed alpha
Helix 25
25
B
144 146Right-handed 310
Helix 26
26
B
153 162Right-handed alpha
Helix 27
27
B
164 168Right-handed 310
Helix 28
28
B
169 181Right-handed alpha
Helix 29
29
B
206 210Right-handed 310
Helix 30
30
B
213 229Right-handed alpha
Helix 31
31
B
232 251Right-handed alpha
Helix 32
32
B
258 274Right-handed alpha
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There are 2 sheets in PDB entry 2R3B. Click on sheet of interest to get list of strands forming it: A, B,

There are 10 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
2 3first strand
Strand 2
A
200 201parallel
Strand 3
A
192 194anti-parallel
Strand 4
A
183 186anti-parallel
Strand 5
A
148 151parallel
Strand 6
A
124 128parallel
Strand 7
A
95 98parallel
Strand 8
A
27 31parallel
Strand 9
A
55 59parallel
Strand 10
A
76 78parallel
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There are 10 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
2 3first strand
Strand 2
B
200 201parallel
Strand 3
B
192 194anti-parallel
Strand 4
B
183 186anti-parallel
Strand 5
B
148 151parallel
Strand 6
B
124 128parallel
Strand 7
B
95 98parallel
Strand 8
B
27 31parallel
Strand 9
B
55 59parallel
Strand 10
B
76 78parallel
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