Analysis of interatomic Contacts of Structural Units in PDB entry:
2MAS


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 2MAS entry

There are 4 chains in PDB entry 2MAS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2PRO 314
B
 ALA 2PRO 314
C
 ALA 2PRO 314
D
 ALA 2PRO 314
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 52 helices in PDB entry 2MAS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
13 24Right-handed alpha
Helix 2
2
A
42 55Right-handed alpha
Helix 3
3
A
79 82Right-handed alpha
Helix 4
4
A
105 115Right-handed alpha
Helix 5
5
A
130 138Right-handed alpha
Helix 6
6
A
140 145Right-handed 310
Helix 7
7
A
167 181Right-handed alpha
Helix 8
8
A
191 196Right-handed alpha
Helix 9
9
A
201 210Right-handed alpha
Helix 10
10
A
213 231Right-handed alpha
Helix 11
11
A
242 250Right-handed alpha
Helix 12
12
A
252 254Right-handed 310
Helix 13
13
A
297 311Right-handed alpha
Helix 14
14
B
13 24Right-handed alpha
Helix 15
15
B
42 55Right-handed alpha
Helix 16
16
B
79 82Right-handed alpha
Helix 17
17
B
105 115Right-handed alpha
Helix 18
18
B
130 138Right-handed alpha
Helix 19
19
B
140 145Right-handed 310
Helix 20
20
B
167 181Right-handed alpha
Helix 21
21
B
191 196Right-handed alpha
Helix 22
22
B
201 210Right-handed alpha
Helix 23
23
B
213 231Right-handed alpha
Helix 24
24
B
242 250Right-handed alpha
Helix 25
25
B
252 254Right-handed 310
Helix 26
26
B
297 311Right-handed alpha
Helix 27
27
C
13 24Right-handed alpha
Helix 28
28
C
42 55Right-handed alpha
Helix 29
29
C
79 82Right-handed alpha
Helix 30
30
C
105 115Right-handed alpha
Helix 31
31
C
130 138Right-handed alpha
Helix 32
32
C
140 145Right-handed 310
Helix 33
33
C
167 181Right-handed alpha
Helix 34
34
C
191 196Right-handed alpha
Helix 35
35
C
201 210Right-handed alpha
Helix 36
36
C
213 231Right-handed alpha
Helix 37
37
C
241 250Right-handed alpha
Helix 38
38
C
252 254Right-handed 310
Helix 39
39
C
297 311Right-handed alpha
Helix 40
40
D
13 24Right-handed alpha
Helix 41
41
D
42 55Right-handed alpha
Helix 42
42
D
79 82Right-handed alpha
Helix 43
43
D
105 115Right-handed alpha
Helix 44
44
D
130 138Right-handed alpha
Helix 45
45
D
140 145Right-handed 310
Helix 46
46
D
167 181Right-handed alpha
Helix 47
47
D
191 196Right-handed alpha
Helix 48
48
D
201 210Right-handed alpha
Helix 49
49
D
213 231Right-handed alpha
Helix 50
50
D
242 250Right-handed alpha
Helix 51
51
D
252 254Right-handed 310
Helix 52
52
D
297 311Right-handed alpha
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There are 11 sheets in PDB entry 2MAS. 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 4 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
121 125first strand
Strand 2
A
3 9parallel
Strand 3
A
28 35parallel
Strand 4
A
62 65parallel
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There are 4 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
149 152first strand
Strand 2
A
186 189parallel
Strand 3
A
289 292parallel
Strand 4
A
257 259anti-parallel
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There are 2 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
261 264first strand
Strand 2
A
275 278anti-parallel
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There are 7 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
62 65first strand
Strand 2
B
28 35parallel
Strand 3
B
3 9parallel
Strand 4
B
121 125parallel
Strand 5
B
146 152parallel
Strand 6
B
186 189parallel
Strand 7
B
289 291parallel
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There are 2 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
261 264first strand
Strand 2
B
275 278anti-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
C
121 125first strand
Strand 2
C
3 9parallel
Strand 3
C
28 35parallel
Strand 4
C
62 65parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
149 152first strand
Strand 2
C
186 189parallel
Strand 3
C
289 292parallel
Strand 4
C
257 259anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
261 264first strand
Strand 2
C
275 278anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
121 125first strand
Strand 2
D
3 9parallel
Strand 3
D
28 35parallel
Strand 4
D
62 65parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
149 152first strand
Strand 2
D
186 189parallel
Strand 3
D
289 292parallel
Strand 4
D
257 259anti-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
D
261 264first strand
Strand 2
D
275 278anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il