Analysis of interatomic Contacts of Structural Units in PDB entry:
3SN2


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 3SN2 entry

There are 2 chains in PDB entry 3SN2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 2LYS 889
B
 G 2 C 30
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 39 helices in PDB entry 3SN2. 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 7Right-handed 310
Helix 2
2
A
24 33Right-handed alpha
Helix 3
3
A
36 50Right-handed alpha
Helix 4
4
A
56 65Right-handed alpha
Helix 5
5
A
65 70Right-handed alpha
Helix 6
6
A
90 107Right-handed alpha
Helix 7
7
A
110 114Right-handed 310
Helix 8
8
A
150 164Right-handed alpha
Helix 9
9
A
177 186Right-handed alpha
Helix 10
10
A
207 215Right-handed 310
Helix 11
11
A
222 231Right-handed alpha
Helix 12
12
A
256 272Right-handed alpha
Helix 13
13
A
282 288Right-handed 310
Helix 14
14
A
289 299Right-handed alpha
Helix 15
15
A
299 304Right-handed alpha
Helix 16
16
A
313 323Right-handed alpha
Helix 17
17
A
326 341Right-handed alpha
Helix 18
18
A
348 352Right-handed 310
Helix 19
19
A
384 395Right-handed alpha
Helix 20
20
A
407 410Right-handed 310
Helix 21
21
A
441 460Right-handed alpha
Helix 22
22
A
477 484Right-handed alpha
Helix 23
23
A
487 494Right-handed alpha
Helix 24
24
A
514 525Right-handed alpha
Helix 25
25
A
538 542Right-handed 310
Helix 26
26
A
553 564Right-handed alpha
Helix 27
27
A
585 590Right-handed alpha
Helix 28
28
A
592 603Right-handed alpha
Helix 29
29
A
603 621Right-handed alpha
Helix 30
30
A
676 681Right-handed alpha
Helix 31
31
A
690 698Right-handed alpha
Helix 32
32
A
702 707Right-handed 310
Helix 33
33
A
709 713Right-handed 310
Helix 34
34
A
715 722Right-handed alpha
Helix 35
35
A
752 763Right-handed alpha
Helix 36
36
A
784 791Right-handed alpha
Helix 37
37
A
801 812Right-handed alpha
Helix 38
38
A
867 877Right-handed alpha
Helix 39
39
A
878 888Right-handed alpha
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There are 11 sheets in PDB entry 3SN2. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K,

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
9 11first strand
Strand 2
A
20 22anti-parallel
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There are 2 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
75 78first strand
Strand 2
A
235 238anti-parallel
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There are 5 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
167 170first strand
Strand 2
A
120 123parallel
Strand 3
A
82 86parallel
Strand 4
A
200 204parallel
Strand 5
A
217 220parallel
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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
A
189 192first strand
Strand 2
A
195 198anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
307 309first strand
Strand 2
A
277 281parallel
Strand 3
A
242 248parallel
Strand 4
A
357 362parallel
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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
A
369 371first strand
Strand 2
A
379 381anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
412 416first strand
Strand 2
A
421 425anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
468 472first strand
Strand 2
A
429 435parallel
Strand 3
A
529 533parallel
Strand 4
A
548 551parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
576 577first strand
Strand 2
A
583 584anti-parallel
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There are 8 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
662 670first strand
Strand 2
A
766 769parallel
Strand 3
A
792 797parallel
Strand 4
A
814 817parallel
Strand 5
A
858 863anti-parallel
Strand 6
A
848 853anti-parallel
Strand 7
A
835 838anti-parallel
Strand 8
A
662 670anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
740 743first strand
Strand 2
A
748 751anti-parallel
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