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


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 3SAH entry

There are 2 chains in PDB entry 3SAH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 179ALA 587
B
 SER 179ALA 588
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 42 helices in PDB entry 3SAH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
213 217Right-handed 310
Helix 2
2
A
258 264Right-handed alpha
Helix 3
3
A
268 273Right-handed alpha
Helix 4
4
A
282 286Right-handed 310
Helix 5
5
A
293 306Right-handed alpha
Helix 6
6
A
345 351Right-handed 310
Helix 7
7
A
352 357Right-handed alpha
Helix 8
8
A
368 378Right-handed alpha
Helix 9
9
A
389 397Right-handed alpha
Helix 10
10
A
402 411Right-handed alpha
Helix 11
11
A
415 420Right-handed 310
Helix 12
12
A
430 443Right-handed alpha
Helix 13
13
A
443 457Right-handed alpha
Helix 14
14
A
463 478Right-handed alpha
Helix 15
15
A
487 498Right-handed alpha
Helix 16
16
A
503 525Right-handed alpha
Helix 17
17
A
527 532Right-handed alpha
Helix 18
18
A
533 544Right-handed alpha
Helix 19
19
A
547 553Right-handed alpha
Helix 20
20
A
559 565Right-handed alpha
Helix 21
21
A
565 578Right-handed alpha
Helix 22
22
B
182 187Right-handed 310
Helix 23
23
B
213 216Right-handed 310
Helix 24
24
B
217 222Right-handed alpha
Helix 25
25
B
258 264Right-handed alpha
Helix 26
26
B
293 305Right-handed alpha
Helix 27
27
B
348 351Right-handed 310
Helix 28
28
B
352 357Right-handed alpha
Helix 29
29
B
368 380Right-handed alpha
Helix 30
30
B
389 396Right-handed alpha
Helix 31
31
B
402 412Right-handed alpha
Helix 32
32
B
430 443Right-handed alpha
Helix 33
33
B
443 459Right-handed alpha
Helix 34
34
B
463 478Right-handed alpha
Helix 35
35
B
488 498Right-handed alpha
Helix 36
36
B
503 525Right-handed alpha
Helix 37
37
B
527 532Right-handed alpha
Helix 38
38
B
533 544Right-handed alpha
Helix 39
39
B
547 555Right-handed alpha
Helix 40
40
B
559 565Right-handed alpha
Helix 41
41
B
565 578Right-handed alpha
Helix 42
42
B
582 587Right-handed alpha
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There are 2 sheets in PDB entry 3SAH. Click on sheet of interest to get list of strands forming it: A, B,

There are 6 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
288 291first strand
Strand 2
A
337 341parallel
Strand 3
A
325 332anti-parallel
Strand 4
A
309 317anti-parallel
Strand 5
A
362 365parallel
Strand 6
A
386 388parallel
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There are 6 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
288 291first strand
Strand 2
B
337 340parallel
Strand 3
B
325 332anti-parallel
Strand 4
B
309 317anti-parallel
Strand 5
B
362 365parallel
Strand 6
B
386 388parallel
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