Analysis of interatomic Contacts of Structural Units in PDB entry:
3NRA


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 3NRA entry

There are 6 chains in PDB entry 3NRA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 2SER 251
A
 THR 253GLY 324
A
 GLU 326ALA 406
B
 SER 2SER 251
B
 THR 253GLY 324
B
 GLU 326ALA 406
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 36 helices in PDB entry 3NRA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 9Right-handed alpha
Helix 2
2
A
56 68Right-handed alpha
Helix 3
3
A
68 73Right-handed alpha
Helix 4
4
A
79 95Right-handed alpha
Helix 5
5
A
108 120Right-handed alpha
Helix 6
6
A
136 145Right-handed alpha
Helix 7
7
A
167 177Right-handed alpha
Helix 8
8
A
196 211Right-handed alpha
Helix 9
9
A
232 236Right-handed 310
Helix 10
10
A
240 242Right-handed 310
Helix 11
11
A
256 260Right-handed 310
Helix 12
12
A
267 282Right-handed alpha
Helix 13
13
A
286 291Right-handed alpha
Helix 14
14
A
292 296Right-handed 310
Helix 15
15
A
302 324Right-handed alpha
Helix 16
16
A
349 362Right-handed alpha
Helix 17
17
A
369 371Right-handed 310
Helix 18
18
A
386 405Right-handed alpha
Helix 19
19
B
2 9Right-handed alpha
Helix 20
20
B
56 68Right-handed alpha
Helix 21
21
B
68 73Right-handed alpha
Helix 22
22
B
79 95Right-handed alpha
Helix 23
23
B
108 120Right-handed alpha
Helix 24
24
B
136 145Right-handed alpha
Helix 25
25
B
167 177Right-handed alpha
Helix 26
26
B
196 211Right-handed alpha
Helix 27
27
B
232 236Right-handed 310
Helix 28
28
B
240 242Right-handed 310
Helix 29
29
B
256 260Right-handed 310
Helix 30
30
B
267 282Right-handed alpha
Helix 31
31
B
286 291Right-handed alpha
Helix 32
32
B
292 296Right-handed 310
Helix 33
33
B
302 324Right-handed alpha
Helix 34
34
B
349 362Right-handed alpha
Helix 35
35
B
369 371Right-handed 310
Helix 36
36
B
386 404Right-handed alpha
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There are 6 sheets in PDB entry 3NRA. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 2 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
41 42first strand
Strand 2
A
363 364parallel
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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
104 107first strand
Strand 2
A
262 266anti-parallel
Strand 3
A
244 248anti-parallel
Strand 4
A
213 217parallel
Strand 5
A
181 185parallel
Strand 6
A
127 132parallel
Strand 7
A
148 153parallel
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There are 3 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
338 339first strand
Strand 2
A
379 382anti-parallel
Strand 3
A
366 367anti-parallel
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There are 2 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
41 42first strand
Strand 2
B
363 364parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
104 107first strand
Strand 2
B
262 266anti-parallel
Strand 3
B
244 248anti-parallel
Strand 4
B
213 217parallel
Strand 5
B
181 185parallel
Strand 6
B
127 132parallel
Strand 7
B
148 153parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
338 339first strand
Strand 2
B
379 382anti-parallel
Strand 3
B
366 367anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il