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


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 3ASA entry

There is 1 chain in PDB entry 3ASA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1MET 388
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 19 helices in PDB entry 3ASA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
4 9Right-handed alpha
Helix 2
2
A
14 30Right-handed alpha
Helix 3
3
A
48 63Right-handed alpha
Helix 4
4
A
77 87Right-handed alpha
Helix 5
5
A
94 96Right-handed 310
Helix 6
6
A
103 116Right-handed alpha
Helix 7
7
A
128 138Right-handed alpha
Helix 8
8
A
149 153Right-handed 310
Helix 9
9
A
181 195Right-handed alpha
Helix 10
10
A
205 209Right-handed 310
Helix 11
11
A
217 221Right-handed 310
Helix 12
12
A
223 226Right-handed 310
Helix 13
13
A
235 239Right-handed 310
Helix 14
14
A
261 274Right-handed alpha
Helix 15
15
A
278 292Right-handed alpha
Helix 16
16
A
295 315Right-handed alpha
Helix 17
17
A
341 351Right-handed alpha
Helix 18
18
A
358 365Right-handed 310
Helix 19
19
A
375 388Right-handed alpha
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There are 3 sheets in PDB entry 3ASA. Click on sheet of interest to get list of strands forming it: A, B, C,

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
36 37first strand
Strand 2
A
352 353parallel
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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
98 101first strand
Strand 2
A
246 249anti-parallel
Strand 3
A
228 233anti-parallel
Strand 4
A
198 202parallel
Strand 5
A
166 170parallel
Strand 6
A
120 125parallel
Strand 7
A
142 147parallel
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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
A
318 321first strand
Strand 2
A
327 331anti-parallel
Strand 3
A
368 371anti-parallel
Strand 4
A
355 356anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il