Analysis of interatomic Contacts of Structural Units in PDB entry:
3A1Y


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 3A1Y entry

There are 7 chains in PDB entry 3A1Y (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ALA 58
B
 MET 1ALA 58
C
 MET 1ALA 58
D
 MET 1ALA 58
E
 MET 1ALA 58
F
 MET 1ALA 58
G
 MET 1PRO 284
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 3A1Y. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
1 13Right-handed alpha
Helix 2
2
A
18 29Right-handed alpha
Helix 3
3
A
34 46Right-handed alpha
Helix 4
4
A
49 58Right-handed alpha
Helix 5
5
B
1 14Right-handed alpha
Helix 6
6
B
18 29Right-handed alpha
Helix 7
7
B
34 45Right-handed alpha
Helix 8
8
B
49 56Right-handed alpha
Helix 9
9
C
1 13Right-handed alpha
Helix 10
10
C
18 29Right-handed alpha
Helix 11
11
C
34 45Right-handed alpha
Helix 12
12
C
49 56Right-handed alpha
Helix 13
13
D
1 13Right-handed alpha
Helix 14
14
D
18 29Right-handed alpha
Helix 15
15
D
34 45Right-handed alpha
Helix 16
16
D
49 56Right-handed alpha
Helix 17
17
E
1 13Right-handed alpha
Helix 18
18
E
18 29Right-handed alpha
Helix 19
19
E
34 45Right-handed alpha
Helix 20
20
E
49 54Right-handed alpha
Helix 21
21
F
1 13Right-handed alpha
Helix 22
22
F
18 29Right-handed alpha
Helix 23
23
F
34 46Right-handed alpha
Helix 24
24
F
49 56Right-handed alpha
Helix 25
25
G
10 20Right-handed alpha
Helix 26
26
G
34 48Right-handed alpha
Helix 27
27
G
61 69Right-handed alpha
Helix 28
28
G
95 106Right-handed alpha
Helix 29
29
G
202 207Right-handed alpha
Helix 30
30
G
209 232Right-handed alpha
Helix 31
31
G
238 257Right-handed alpha
Helix 32
32
G
264 281Right-handed alpha
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There is 1 sheet ( A) in PDB entry 3A1Y.

There are 5 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
50 54first strand
Strand 2
G
87 92anti-parallel
Strand 3
G
24 29anti-parallel
Strand 4
G
190 196anti-parallel
Strand 5
G
199 201anti-parallel
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