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


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 1NOW entry

There are 2 chains in PDB entry 1NOW (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 55ASN 552
B
 ALA 55ASN 552
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 1NOW. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
73 77Right-handed 310
Helix 2
2
A
91 106Right-handed alpha
Helix 3
3
A
164 179Right-handed alpha
Helix 4
4
A
215 229Right-handed alpha
Helix 5
5
A
252 259Right-handed alpha
Helix 6
6
A
267 281Right-handed alpha
Helix 7
7
A
297 302Right-handed alpha
Helix 8
8
A
326 344Right-handed alpha
Helix 9
9
A
358 363Right-handed alpha
Helix 10
10
A
364 374Right-handed alpha
Helix 11
11
A
379 398Right-handed alpha
Helix 12
12
A
406 411Right-handed alpha
Helix 13
13
A
428 439Right-handed alpha
Helix 14
14
A
459 466Right-handed alpha
Helix 15
15
A
474 480Right-handed alpha
Helix 16
16
A
497 503Right-handed alpha
Helix 17
17
A
504 515Right-handed alpha
Helix 18
18
A
521 539Right-handed alpha
Helix 19
19
B
73 77Right-handed 310
Helix 20
20
B
91 107Right-handed alpha
Helix 21
21
B
164 179Right-handed alpha
Helix 22
22
B
215 229Right-handed alpha
Helix 23
23
B
252 259Right-handed alpha
Helix 24
24
B
267 280Right-handed alpha
Helix 25
25
B
295 301Right-handed 310
Helix 26
26
B
326 344Right-handed alpha
Helix 27
27
B
358 364Right-handed alpha
Helix 28
28
B
364 375Right-handed alpha
Helix 29
29
B
379 398Right-handed alpha
Helix 30
30
B
406 411Right-handed alpha
Helix 31
31
B
428 439Right-handed alpha
Helix 32
32
B
459 466Right-handed alpha
Helix 33
33
B
474 480Right-handed alpha
Helix 34
34
B
497 503Right-handed alpha
Helix 35
35
B
504 515Right-handed alpha
Helix 36
36
B
521 539Right-handed alpha
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There are 6 sheets in PDB entry 1NOW. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 8 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
78 81first strand
Strand 2
A
126 131parallel
Strand 3
A
157 162parallel
Strand 4
A
149 153anti-parallel
Strand 5
A
187 196anti-parallel
Strand 6
A
180 181anti-parallel
Strand 7
A
187 196anti-parallel
Strand 8
A
62 71anti-parallel
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There are 9 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
202 208first strand
Strand 2
A
233 237parallel
Strand 3
A
284 291parallel
Strand 4
A
348 352parallel
Strand 5
A
401 405parallel
Strand 6
A
420 423parallel
Strand 7
A
443 445parallel
Strand 8
A
481 488parallel
Strand 9
A
202 208parallel
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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
A
306 308first strand
Strand 2
A
319 322anti-parallel
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There are 8 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
78 81first strand
Strand 2
B
126 131parallel
Strand 3
B
157 162parallel
Strand 4
B
149 153anti-parallel
Strand 5
B
187 196anti-parallel
Strand 6
B
180 181anti-parallel
Strand 7
B
187 196anti-parallel
Strand 8
B
62 71anti-parallel
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There are 9 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
202 208first strand
Strand 2
B
233 237parallel
Strand 3
B
284 291parallel
Strand 4
B
348 352parallel
Strand 5
B
401 405parallel
Strand 6
B
420 423parallel
Strand 7
B
443 445parallel
Strand 8
B
481 488parallel
Strand 9
B
202 208parallel
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There are 2 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
306 308first strand
Strand 2
B
319 322anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il