Analysis of interatomic Contacts of Structural Units in PDB entry:
3I4F


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 3I4F entry

There are 4 chains in PDB entry 3I4F (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 37HIS 286
B
 PHE 37HIS 286
C
 PHE 37HIS 286
D
 PHE 37HIS 286
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 51 helices in PDB entry 3I4F. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
48 61Right-handed alpha
Helix 2
2
A
72 83Right-handed alpha
Helix 3
3
A
84 88Right-handed 310
Helix 4
4
A
99 115Right-handed alpha
Helix 5
5
A
133 137Right-handed 310
Helix 6
6
A
138 150Right-handed alpha
Helix 7
7
A
150 168Right-handed alpha
Helix 8
8
A
179 183Right-handed 310
Helix 9
9
A
189 211Right-handed alpha
Helix 10
10
A
226 231Right-handed 310
Helix 11
11
A
233 240Right-handed alpha
Helix 12
12
A
252 265Right-handed alpha
Helix 13
13
A
266 269Right-handed 310
Helix 14
14
B
48 61Right-handed alpha
Helix 15
15
B
73 83Right-handed alpha
Helix 16
16
B
84 88Right-handed 310
Helix 17
17
B
99 115Right-handed alpha
Helix 18
18
B
133 137Right-handed 310
Helix 19
19
B
138 150Right-handed alpha
Helix 20
20
B
150 168Right-handed alpha
Helix 21
21
B
179 183Right-handed 310
Helix 22
22
B
189 211Right-handed alpha
Helix 23
23
B
226 232Right-handed 310
Helix 24
24
B
233 239Right-handed alpha
Helix 25
25
B
252 265Right-handed alpha
Helix 26
26
B
266 269Right-handed 310
Helix 27
27
C
48 61Right-handed alpha
Helix 28
28
C
74 83Right-handed alpha
Helix 29
29
C
84 88Right-handed 310
Helix 30
30
C
99 115Right-handed alpha
Helix 31
31
C
133 137Right-handed 310
Helix 32
32
C
138 150Right-handed alpha
Helix 33
33
C
150 168Right-handed alpha
Helix 34
34
C
179 183Right-handed 310
Helix 35
35
C
189 211Right-handed alpha
Helix 36
36
C
226 231Right-handed 310
Helix 37
37
C
233 240Right-handed alpha
Helix 38
38
C
252 265Right-handed alpha
Helix 39
39
D
48 61Right-handed alpha
Helix 40
40
D
73 83Right-handed alpha
Helix 41
41
D
84 88Right-handed 310
Helix 42
42
D
99 115Right-handed alpha
Helix 43
43
D
133 137Right-handed 310
Helix 44
44
D
138 150Right-handed alpha
Helix 45
45
D
150 168Right-handed alpha
Helix 46
46
D
179 183Right-handed 310
Helix 47
47
D
189 211Right-handed alpha
Helix 48
48
D
226 231Right-handed 310
Helix 49
49
D
233 240Right-handed alpha
Helix 50
50
D
252 265Right-handed alpha
Helix 51
51
D
266 269Right-handed 310
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There are 4 sheets in PDB entry 3I4F. 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
90 94first strand
Strand 2
A
64 69parallel
Strand 3
A
40 43parallel
Strand 4
A
119 121parallel
Strand 5
A
170 175parallel
Strand 6
A
215 222parallel
Strand 7
A
275 278parallel
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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
B
90 94first strand
Strand 2
B
64 69parallel
Strand 3
B
40 43parallel
Strand 4
B
119 121parallel
Strand 5
B
170 175parallel
Strand 6
B
215 222parallel
Strand 7
B
275 278parallel
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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
90 94first strand
Strand 2
C
64 69parallel
Strand 3
C
40 43parallel
Strand 4
C
119 121parallel
Strand 5
C
170 175parallel
Strand 6
C
215 222parallel
Strand 7
C
275 278parallel
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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
90 94first strand
Strand 2
D
64 69parallel
Strand 3
D
40 43parallel
Strand 4
D
119 122parallel
Strand 5
D
170 175parallel
Strand 6
D
215 222parallel
Strand 7
D
275 278parallel
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