Analysis of interatomic Contacts of Structural Units in PDB entry:
4IIU


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 4IIU entry

There are 4 chains in PDB entry 4IIU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LEU 243
B
 SER 2LEU 243
C
 SER 2LEU 243
D
 SER 2LEU 243
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 44 helices in PDB entry 4IIU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 25Right-handed alpha
Helix 2
2
A
36 50Right-handed alpha
Helix 3
3
A
63 79Right-handed alpha
Helix 4
4
A
95 99Right-handed 310
Helix 5
5
A
100 112Right-handed alpha
Helix 6
6
A
112 130Right-handed alpha
Helix 7
7
A
140 146Right-handed alpha
Helix 8
8
A
150 172Right-handed alpha
Helix 9
9
A
194 204Right-handed alpha
Helix 10
10
A
212 225Right-handed alpha
Helix 11
11
A
226 229Right-handed 310
Helix 12
12
B
12 25Right-handed alpha
Helix 13
13
B
36 50Right-handed alpha
Helix 14
14
B
63 79Right-handed alpha
Helix 15
15
B
95 99Right-handed 310
Helix 16
16
B
100 112Right-handed alpha
Helix 17
17
B
112 130Right-handed alpha
Helix 18
18
B
140 146Right-handed alpha
Helix 19
19
B
150 172Right-handed alpha
Helix 20
20
B
194 204Right-handed alpha
Helix 21
21
B
212 225Right-handed alpha
Helix 22
22
B
226 229Right-handed 310
Helix 23
23
C
12 25Right-handed alpha
Helix 24
24
C
36 50Right-handed alpha
Helix 25
25
C
63 79Right-handed alpha
Helix 26
26
C
95 99Right-handed 310
Helix 27
27
C
100 112Right-handed alpha
Helix 28
28
C
112 130Right-handed alpha
Helix 29
29
C
140 146Right-handed alpha
Helix 30
30
C
150 172Right-handed alpha
Helix 31
31
C
194 204Right-handed alpha
Helix 32
32
C
212 225Right-handed alpha
Helix 33
33
C
226 229Right-handed 310
Helix 34
34
D
12 25Right-handed alpha
Helix 35
35
D
36 50Right-handed alpha
Helix 36
36
D
63 79Right-handed alpha
Helix 37
37
D
95 99Right-handed 310
Helix 38
38
D
100 112Right-handed alpha
Helix 39
39
D
112 130Right-handed alpha
Helix 40
40
D
140 146Right-handed alpha
Helix 41
41
D
150 172Right-handed alpha
Helix 42
42
D
194 204Right-handed alpha
Helix 43
43
D
212 225Right-handed alpha
Helix 44
44
D
226 229Right-handed 310
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There are 4 sheets in PDB entry 4IIU. 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
54 58first strand
Strand 2
A
28 33parallel
Strand 3
A
4 7parallel
Strand 4
A
83 86parallel
Strand 5
A
133 138parallel
Strand 6
A
176 183parallel
Strand 7
A
235 238parallel
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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
54 58first strand
Strand 2
B
28 33parallel
Strand 3
B
4 7parallel
Strand 4
B
83 86parallel
Strand 5
B
133 138parallel
Strand 6
B
176 183parallel
Strand 7
B
235 238parallel
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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
54 58first strand
Strand 2
C
28 33parallel
Strand 3
C
4 7parallel
Strand 4
C
83 86parallel
Strand 5
C
133 138parallel
Strand 6
C
176 183parallel
Strand 7
C
235 238parallel
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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
54 58first strand
Strand 2
D
28 33parallel
Strand 3
D
4 7parallel
Strand 4
D
83 86parallel
Strand 5
D
133 138parallel
Strand 6
D
176 183parallel
Strand 7
D
235 238parallel
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