Analysis of interatomic Contacts of Structural Units in PDB entry:
2A4M


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 2A4M entry

There are 3 chains in PDB entry 2A4M (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 21HIS 351
B
 ALA 21HIS 351
C
 ALA 21HIS 351
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 2A4M. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
36 43Right-handed alpha
Helix 2
2
A
43 51Right-handed alpha
Helix 3
3
A
61 70Right-handed alpha
Helix 4
4
A
72 90Right-handed alpha
Helix 5
5
A
103 105Right-handed 310
Helix 6
6
A
106 116Right-handed alpha
Helix 7
7
A
117 119Right-handed 310
Helix 8
8
A
120 126Right-handed alpha
Helix 9
9
A
127 138Right-handed alpha
Helix 10
10
A
144 149Right-handed alpha
Helix 11
11
A
149 161Right-handed alpha
Helix 12
12
A
169 171Right-handed 310
Helix 13
13
A
172 190Right-handed alpha
Helix 14
14
A
229 240Right-handed alpha
Helix 15
15
A
258 268Right-handed alpha
Helix 16
16
A
270 284Right-handed alpha
Helix 17
17
A
287 316Right-handed alpha
Helix 18
18
A
316 346Right-handed alpha
Helix 19
19
B
36 42Right-handed alpha
Helix 20
20
B
43 54Right-handed alpha
Helix 21
21
B
61 70Right-handed alpha
Helix 22
22
B
72 91Right-handed alpha
Helix 23
23
B
103 105Right-handed 310
Helix 24
24
B
106 116Right-handed alpha
Helix 25
25
B
117 119Right-handed 310
Helix 26
26
B
120 126Right-handed alpha
Helix 27
27
B
127 136Right-handed alpha
Helix 28
28
B
144 149Right-handed alpha
Helix 29
29
B
149 161Right-handed alpha
Helix 30
30
B
172 190Right-handed alpha
Helix 31
31
B
229 238Right-handed alpha
Helix 32
32
B
258 268Right-handed alpha
Helix 33
33
B
270 282Right-handed alpha
Helix 34
34
B
287 315Right-handed alpha
Helix 35
35
B
316 346Right-handed alpha
Helix 36
36
C
36 43Right-handed alpha
Helix 37
37
C
43 51Right-handed alpha
Helix 38
38
C
61 70Right-handed alpha
Helix 39
39
C
72 90Right-handed alpha
Helix 40
40
C
103 105Right-handed 310
Helix 41
41
C
106 116Right-handed alpha
Helix 42
42
C
117 119Right-handed 310
Helix 43
43
C
120 126Right-handed alpha
Helix 44
44
C
127 138Right-handed alpha
Helix 45
45
C
144 149Right-handed alpha
Helix 46
46
C
149 161Right-handed alpha
Helix 47
47
C
172 190Right-handed alpha
Helix 48
48
C
229 239Right-handed alpha
Helix 49
49
C
258 268Right-handed alpha
Helix 50
50
C
270 284Right-handed alpha
Helix 51
51
C
287 316Right-handed alpha
Helix 52
52
C
316 346Right-handed alpha
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There are 6 sheets in PDB entry 2A4M. 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
24 29first strand
Strand 2
A
55 60parallel
Strand 3
A
97 101parallel
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There are 2 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
165 167first strand
Strand 2
A
198 200parallel
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There are 3 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
24 29first strand
Strand 2
B
55 60parallel
Strand 3
B
97 101parallel
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There are 2 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
165 167first strand
Strand 2
B
198 200parallel
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There are 3 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
24 29first strand
Strand 2
C
55 60parallel
Strand 3
C
97 101parallel
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There are 2 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
165 168first strand
Strand 2
C
198 201parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il