Analysis of interatomic Contacts of Structural Units in PDB entry:
3AI3


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 3AI3 entry

There are 4 chains in PDB entry 3AI3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LEU 263
C
 MET 1LEU 263
E
 MET 1LEU 263
G
 MET 1LEU 263
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 40 helices in PDB entry 3AI3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
17 30Right-handed alpha
Helix 2
2
A
40 56Right-handed alpha
Helix 3
3
A
68 84Right-handed alpha
Helix 4
4
A
105 117Right-handed alpha
Helix 5
5
A
117 135Right-handed alpha
Helix 6
6
A
144 148Right-handed 310
Helix 7
7
A
154 176Right-handed alpha
Helix 8
8
A
192 203Right-handed alpha
Helix 9
9
A
209 222Right-handed alpha
Helix 10
10
A
229 241Right-handed alpha
Helix 11
11
C
17 30Right-handed alpha
Helix 12
12
C
40 56Right-handed alpha
Helix 13
13
C
68 84Right-handed alpha
Helix 14
14
C
105 117Right-handed alpha
Helix 15
15
C
117 135Right-handed alpha
Helix 16
16
C
144 148Right-handed 310
Helix 17
17
C
154 176Right-handed alpha
Helix 18
18
C
192 204Right-handed alpha
Helix 19
19
C
209 222Right-handed alpha
Helix 20
20
C
229 241Right-handed alpha
Helix 21
21
E
17 30Right-handed alpha
Helix 22
22
E
40 56Right-handed alpha
Helix 23
23
E
68 84Right-handed alpha
Helix 24
24
E
105 117Right-handed alpha
Helix 25
25
E
117 135Right-handed alpha
Helix 26
26
E
144 148Right-handed 310
Helix 27
27
E
154 176Right-handed alpha
Helix 28
28
E
192 203Right-handed alpha
Helix 29
29
E
209 222Right-handed alpha
Helix 30
30
E
229 241Right-handed alpha
Helix 31
31
G
17 30Right-handed alpha
Helix 32
32
G
40 56Right-handed alpha
Helix 33
33
G
68 84Right-handed alpha
Helix 34
34
G
105 117Right-handed alpha
Helix 35
35
G
117 134Right-handed alpha
Helix 36
36
G
144 148Right-handed 310
Helix 37
37
G
154 176Right-handed alpha
Helix 38
38
G
192 203Right-handed alpha
Helix 39
39
G
209 222Right-handed alpha
Helix 40
40
G
229 241Right-handed alpha
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There are 4 sheets in PDB entry 3AI3. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 7 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
59 63first strand
Strand 2
A
33 38parallel
Strand 3
A
9 13parallel
Strand 4
A
88 91parallel
Strand 5
A
137 142parallel
Strand 6
A
180 187parallel
Strand 7
A
252 255parallel
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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
C
59 63first strand
Strand 2
C
33 38parallel
Strand 3
C
9 13parallel
Strand 4
C
88 91parallel
Strand 5
C
137 142parallel
Strand 6
C
180 187parallel
Strand 7
C
252 255parallel
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There are 7 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
59 63first strand
Strand 2
E
33 38parallel
Strand 3
E
9 13parallel
Strand 4
E
88 91parallel
Strand 5
E
137 142parallel
Strand 6
E
180 187parallel
Strand 7
E
252 255parallel
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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
G
59 63first strand
Strand 2
G
33 38parallel
Strand 3
G
9 13parallel
Strand 4
G
88 91parallel
Strand 5
G
137 142parallel
Strand 6
G
180 187parallel
Strand 7
G
252 255parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il