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


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 2IOH entry

There are 4 chains in PDB entry 2IOH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 5GLU 260
B
 LYS 5GLU 260
C
 LYS 5GLU 260
D
 LYS 5GLU 260
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 2IOH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
23 35Right-handed alpha
Helix 2
2
A
52 63Right-handed alpha
Helix 3
3
A
65 75Right-handed alpha
Helix 4
4
A
79 98Right-handed alpha
Helix 5
5
A
99 102Right-handed 310
Helix 6
6
A
107 114Right-handed alpha
Helix 7
7
A
129 142Right-handed alpha
Helix 8
8
A
163 174Right-handed alpha
Helix 9
9
A
177 179Right-handed 310
Helix 10
10
A
187 197Right-handed alpha
Helix 11
11
A
214 220Right-handed alpha
Helix 12
12
A
222 239Right-handed alpha
Helix 13
13
A
248 250Right-handed 310
Helix 14
14
A
251 260Right-handed alpha
Helix 15
15
B
23 35Right-handed alpha
Helix 16
16
B
52 63Right-handed alpha
Helix 17
17
B
65 75Right-handed alpha
Helix 18
18
B
79 98Right-handed alpha
Helix 19
19
B
99 102Right-handed 310
Helix 20
20
B
107 114Right-handed alpha
Helix 21
21
B
129 142Right-handed alpha
Helix 22
22
B
163 174Right-handed alpha
Helix 23
23
B
177 179Right-handed 310
Helix 24
24
B
187 197Right-handed alpha
Helix 25
25
B
214 220Right-handed alpha
Helix 26
26
B
222 239Right-handed alpha
Helix 27
27
B
248 250Right-handed 310
Helix 28
28
B
251 260Right-handed alpha
Helix 29
29
C
23 35Right-handed alpha
Helix 30
30
C
52 63Right-handed alpha
Helix 31
31
C
65 75Right-handed alpha
Helix 32
32
C
79 98Right-handed alpha
Helix 33
33
C
99 102Right-handed 310
Helix 34
34
C
107 114Right-handed alpha
Helix 35
35
C
129 142Right-handed alpha
Helix 36
36
C
163 174Right-handed alpha
Helix 37
37
C
177 179Right-handed 310
Helix 38
38
C
187 197Right-handed alpha
Helix 39
39
C
214 220Right-handed alpha
Helix 40
40
C
222 239Right-handed alpha
Helix 41
41
C
248 250Right-handed 310
Helix 42
42
C
251 260Right-handed alpha
Helix 43
43
D
23 35Right-handed alpha
Helix 44
44
D
52 63Right-handed alpha
Helix 45
45
D
65 75Right-handed alpha
Helix 46
46
D
79 98Right-handed alpha
Helix 47
47
D
99 102Right-handed 310
Helix 48
48
D
107 114Right-handed alpha
Helix 49
49
D
129 142Right-handed alpha
Helix 50
50
D
163 174Right-handed alpha
Helix 51
51
D
177 179Right-handed 310
Helix 52
52
D
187 197Right-handed alpha
Helix 53
53
D
214 220Right-handed alpha
Helix 54
54
D
222 239Right-handed alpha
Helix 55
55
D
248 250Right-handed 310
Helix 56
56
D
251 260Right-handed alpha
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There are 4 sheets in PDB entry 2IOH. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 5 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
121 124first strand
Strand 2
A
8 11parallel
Strand 3
A
181 185parallel
Strand 4
A
200 204parallel
Strand 5
A
244 246parallel
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There are 5 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
121 124first strand
Strand 2
B
8 11parallel
Strand 3
B
181 185parallel
Strand 4
B
200 204parallel
Strand 5
B
244 246parallel
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There are 5 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
121 124first strand
Strand 2
C
8 11parallel
Strand 3
C
181 185parallel
Strand 4
C
200 204parallel
Strand 5
C
244 246parallel
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There are 5 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
121 124first strand
Strand 2
D
8 11parallel
Strand 3
D
181 185parallel
Strand 4
D
200 204parallel
Strand 5
D
244 246parallel
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