Analysis of interatomic Contacts of Structural Units in PDB entry:
2R3S


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 2R3S entry

There are 2 chains in PDB entry 2R3S (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 3LYS 334
B
 SER 2LYS 334
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 41 helices in PDB entry 2R3S. 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 14Right-handed alpha
Helix 2
2
A
15 28Right-handed alpha
Helix 3
3
A
29 35Right-handed alpha
Helix 4
4
A
40 49Right-handed alpha
Helix 5
5
A
51 65Right-handed alpha
Helix 6
6
A
78 85Right-handed alpha
Helix 7
7
A
93 95Right-handed 310
Helix 8
8
A
96 101Right-handed alpha
Helix 9
9
A
102 107Right-handed alpha
Helix 10
10
A
108 110Right-handed 310
Helix 11
11
A
111 119Right-handed alpha
Helix 12
12
A
126 130Right-handed 310
Helix 13
13
A
134 143Right-handed alpha
Helix 14
14
A
144 146Right-handed 310
Helix 15
15
A
147 159Right-handed alpha
Helix 16
16
A
176 186Right-handed alpha
Helix 17
17
A
196 211Right-handed alpha
Helix 18
18
A
212 214Right-handed 310
Helix 19
19
A
240 244Right-handed 310
Helix 20
20
A
245 259Right-handed alpha
Helix 21
21
A
280 294Right-handed alpha
Helix 22
22
A
301 312Right-handed alpha
Helix 23
23
B
6 14Right-handed alpha
Helix 24
24
B
15 29Right-handed alpha
Helix 25
25
B
29 35Right-handed alpha
Helix 26
26
B
40 49Right-handed alpha
Helix 27
27
B
51 65Right-handed alpha
Helix 28
28
B
78 85Right-handed alpha
Helix 29
29
B
93 95Right-handed 310
Helix 30
30
B
96 101Right-handed alpha
Helix 31
31
B
102 111Right-handed alpha
Helix 32
32
B
111 119Right-handed alpha
Helix 33
33
B
134 143Right-handed alpha
Helix 34
34
B
143 159Right-handed alpha
Helix 35
35
B
176 186Right-handed alpha
Helix 36
36
B
196 210Right-handed alpha
Helix 37
37
B
212 214Right-handed 310
Helix 38
38
B
240 244Right-handed 310
Helix 39
39
B
245 259Right-handed alpha
Helix 40
40
B
280 294Right-handed alpha
Helix 41
41
B
301 312Right-handed alpha
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There are 4 sheets in PDB entry 2R3S. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 3 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
38 39first strand
Strand 2
A
74 77anti-parallel
Strand 3
A
68 71anti-parallel
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There are 7 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
216 220first strand
Strand 2
A
190 195parallel
Strand 3
A
167 171parallel
Strand 4
A
232 238parallel
Strand 5
A
260 270parallel
Strand 6
A
328 333anti-parallel
Strand 7
A
316 320anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
68 71first strand
Strand 2
B
74 77anti-parallel
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There are 7 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
216 220first strand
Strand 2
B
190 195parallel
Strand 3
B
167 171parallel
Strand 4
B
232 238parallel
Strand 5
B
260 270parallel
Strand 6
B
328 333anti-parallel
Strand 7
B
316 320anti-parallel
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