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


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 3MAS entry

There are 2 chains in PDB entry 3MAS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 3LEU 414
B
 LYS 3LYS 413
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 32 helices in PDB entry 3MAS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 30Right-handed alpha
Helix 2
2
A
45 52Right-handed alpha
Helix 3
3
A
54 68Right-handed alpha
Helix 4
4
A
79 87Right-handed alpha
Helix 5
5
A
94 104Right-handed alpha
Helix 6
6
A
186 203Right-handed alpha
Helix 7
7
A
218 234Right-handed alpha
Helix 8
8
A
235 241Right-handed alpha
Helix 9
9
A
251 260Right-handed alpha
Helix 10
10
A
312 321Right-handed alpha
Helix 11
11
A
329 348Right-handed alpha
Helix 12
12
A
349 368Right-handed alpha
Helix 13
13
A
373 386Right-handed alpha
Helix 14
14
A
387 391Right-handed 310
Helix 15
15
A
393 413Right-handed alpha
Helix 16
16
B
16 30Right-handed alpha
Helix 17
17
B
45 52Right-handed alpha
Helix 18
18
B
54 68Right-handed alpha
Helix 19
19
B
79 87Right-handed alpha
Helix 20
20
B
94 104Right-handed alpha
Helix 21
21
B
186 203Right-handed alpha
Helix 22
22
B
216 235Right-handed alpha
Helix 23
23
B
235 242Right-handed alpha
Helix 24
24
B
251 260Right-handed alpha
Helix 25
25
B
287 289Right-handed 310
Helix 26
26
B
312 322Right-handed alpha
Helix 27
27
B
329 348Right-handed alpha
Helix 28
28
B
349 369Right-handed alpha
Helix 29
29
B
373 382Right-handed alpha
Helix 30
30
B
383 386Right-handed 310
Helix 31
31
B
387 391Right-handed 310
Helix 32
32
B
393 412Right-handed alpha
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There are 6 sheets in PDB entry 3MAS. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 3 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
35 39first strand
Strand 2
A
5 14parallel
Strand 3
A
42 43parallel
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There are 10 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
35 39first strand
Strand 2
A
5 14parallel
Strand 3
A
69 72parallel
Strand 4
A
303 307parallel
Strand 5
A
291 296anti-parallel
Strand 6
A
106 111anti-parallel
Strand 7
A
128 130anti-parallel
Strand 8
A
265 269parallel
Strand 9
A
207 211parallel
Strand 10
A
246 250parallel
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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
142 146first strand
Strand 2
A
177 185anti-parallel
Strand 3
B
177 185anti-parallel
Strand 4
B
142 145anti-parallel
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There are 4 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
165 172first strand
Strand 2
A
150 158anti-parallel
Strand 3
B
150 158anti-parallel
Strand 4
B
165 172anti-parallel
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There are 6 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
35 43first strand
Strand 2
B
5 14parallel
Strand 3
B
69 72parallel
Strand 4
B
303 307parallel
Strand 5
B
291 296anti-parallel
Strand 6
B
106 111anti-parallel
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There are 4 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
126 132first strand
Strand 2
B
263 269parallel
Strand 3
B
207 211parallel
Strand 4
B
246 250parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il