Analysis of interatomic Contacts of Structural Units in PDB entry:
3S3A


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 3S3A entry

There are 3 chains in PDB entry 3S3A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 9TRP 562
B
 ASP 3GLU 168
C
 GLU 2GLY 34
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 34 helices in PDB entry 3S3A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
9 15Right-handed alpha
Helix 2
2
A
16 37Right-handed alpha
Helix 3
3
A
37 46Right-handed alpha
Helix 4
4
A
51 59Right-handed alpha
Helix 5
5
A
64 78Right-handed alpha
Helix 6
6
A
78 97Right-handed alpha
Helix 7
7
A
102 126Right-handed alpha
Helix 8
8
A
142 174Right-handed alpha
Helix 9
9
A
180 197Right-handed alpha
Helix 10
10
A
197 207Right-handed alpha
Helix 11
11
A
207 213Right-handed alpha
Helix 12
12
A
220 233Right-handed alpha
Helix 13
13
A
233 250Right-handed alpha
Helix 14
14
A
250 255Right-handed alpha
Helix 15
15
A
261 275Right-handed alpha
Helix 16
16
A
279 283Right-handed 310
Helix 17
17
A
291 327Right-handed alpha
Helix 18
18
A
333 338Right-handed alpha
Helix 19
19
A
343 367Right-handed alpha
Helix 20
20
A
368 370Right-handed 310
Helix 21
21
A
371 376Right-handed alpha
Helix 22
22
A
379 387Right-handed alpha
Helix 23
23
A
391 400Right-handed alpha
Helix 24
24
A
400 410Right-handed alpha
Helix 25
25
A
414 444Right-handed alpha
Helix 26
26
A
452 456Right-handed 310
Helix 27
27
A
460 462Right-handed 310
Helix 28
28
A
463 492Right-handed alpha
Helix 29
29
A
516 525Right-handed alpha
Helix 30
30
A
526 552Right-handed alpha
Helix 31
31
B
4 37Right-handed alpha
Helix 32
32
B
38 45Right-handed 310
Helix 33
33
B
156 159Right-handed 310
Helix 34
34
C
5 33Right-handed alpha
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There are 4 sheets in PDB entry 3S3A. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
218 219first strand
Strand 2
A
556 557anti-parallel
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There are 3 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
71 73first strand
Strand 2
B
78 86anti-parallel
Strand 3
B
89 91anti-parallel
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There are 4 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
71 73first strand
Strand 2
B
78 86anti-parallel
Strand 3
B
102 108parallel
Strand 4
B
133 137anti-parallel
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There are 5 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
95 98first strand
Strand 2
B
161 167parallel
Strand 3
B
143 148anti-parallel
Strand 4
B
114 118anti-parallel
Strand 5
B
124 127anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il