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


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 3AFN entry

There are 4 chains in PDB entry 3AFN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
B
 PHE 2HIS 258
A
 PHE 2HIS 258
C
 PHE 2HIS 258
D
 PHE 2HIS 258
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 56 helices in PDB entry 3AFN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
B
2 6Right-handed 310
Helix 2
2
B
17 30Right-handed alpha
Helix 3
3
B
44 55Right-handed alpha
Helix 4
4
B
68 84Right-handed alpha
Helix 5
5
B
101 105Right-handed 310
Helix 6
6
B
106 118Right-handed alpha
Helix 7
7
B
118 140Right-handed alpha
Helix 8
8
B
151 156Right-handed alpha
Helix 9
9
B
161 183Right-handed alpha
Helix 10
10
B
199 203Right-handed 310
Helix 11
11
B
206 215Right-handed alpha
Helix 12
12
B
224 227Right-handed 310
Helix 13
13
B
228 237Right-handed alpha
Helix 14
14
B
237 242Right-handed alpha
Helix 15
15
A
2 6Right-handed 310
Helix 16
16
A
17 30Right-handed alpha
Helix 17
17
A
44 55Right-handed alpha
Helix 18
18
A
68 84Right-handed alpha
Helix 19
19
A
101 105Right-handed 310
Helix 20
20
A
106 118Right-handed alpha
Helix 21
21
A
118 140Right-handed alpha
Helix 22
22
A
151 156Right-handed alpha
Helix 23
23
A
161 183Right-handed alpha
Helix 24
24
A
199 203Right-handed 310
Helix 25
25
A
206 215Right-handed alpha
Helix 26
26
A
224 227Right-handed 310
Helix 27
27
A
228 237Right-handed alpha
Helix 28
28
A
237 242Right-handed alpha
Helix 29
29
C
2 6Right-handed 310
Helix 30
30
C
17 30Right-handed alpha
Helix 31
31
C
44 55Right-handed alpha
Helix 32
32
C
68 84Right-handed alpha
Helix 33
33
C
101 105Right-handed 310
Helix 34
34
C
106 118Right-handed alpha
Helix 35
35
C
118 140Right-handed alpha
Helix 36
36
C
151 156Right-handed alpha
Helix 37
37
C
161 183Right-handed alpha
Helix 38
38
C
199 203Right-handed 310
Helix 39
39
C
206 215Right-handed alpha
Helix 40
40
C
224 227Right-handed 310
Helix 41
41
C
228 237Right-handed alpha
Helix 42
42
C
237 242Right-handed alpha
Helix 43
43
D
2 6Right-handed 310
Helix 44
44
D
17 30Right-handed alpha
Helix 45
45
D
44 55Right-handed alpha
Helix 46
46
D
68 84Right-handed alpha
Helix 47
47
D
101 105Right-handed 310
Helix 48
48
D
106 118Right-handed alpha
Helix 49
49
D
118 140Right-handed alpha
Helix 50
50
D
151 156Right-handed alpha
Helix 51
51
D
161 183Right-handed alpha
Helix 52
52
D
199 203Right-handed 310
Helix 53
53
D
206 216Right-handed alpha
Helix 54
54
D
224 227Right-handed 310
Helix 55
55
D
228 237Right-handed alpha
Helix 56
56
D
237 242Right-handed alpha
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There are 4 sheets in PDB entry 3AFN. 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
B
58 63first strand
Strand 2
B
33 38parallel
Strand 3
B
9 12parallel
Strand 4
B
88 91parallel
Strand 5
B
143 148parallel
Strand 6
B
187 194parallel
Strand 7
B
247 251parallel
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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
A
58 63first strand
Strand 2
A
33 38parallel
Strand 3
A
9 12parallel
Strand 4
A
88 91parallel
Strand 5
A
143 148parallel
Strand 6
A
187 194parallel
Strand 7
A
247 251parallel
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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
C
58 63first strand
Strand 2
C
33 38parallel
Strand 3
C
9 12parallel
Strand 4
C
88 91parallel
Strand 5
C
143 148parallel
Strand 6
C
187 194parallel
Strand 7
C
247 251parallel
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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
D
58 63first strand
Strand 2
D
33 38parallel
Strand 3
D
9 12parallel
Strand 4
D
88 91parallel
Strand 5
D
143 148parallel
Strand 6
D
187 194parallel
Strand 7
D
247 251parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il