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


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 3IHK entry

There are 3 chains in PDB entry 3IHK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 2ASP 208
B
 THR 2ARG 209
C
 THR 2ASP 208
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 18 helices in PDB entry 3IHK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
26 35Right-handed alpha
Helix 2
2
A
50 59Right-handed alpha
Helix 3
3
A
74 87Right-handed alpha
Helix 4
4
A
101 110Right-handed alpha
Helix 5
5
A
111 114Right-handed 310
Helix 6
6
A
117 121Right-handed 310
Helix 7
7
B
26 35Right-handed alpha
Helix 8
8
B
50 61Right-handed alpha
Helix 9
9
B
74 88Right-handed alpha
Helix 10
10
B
101 110Right-handed alpha
Helix 11
11
B
111 114Right-handed 310
Helix 12
12
B
118 123Right-handed 310
Helix 13
13
C
27 35Right-handed alpha
Helix 14
14
C
50 61Right-handed alpha
Helix 15
15
C
74 86Right-handed alpha
Helix 16
16
C
101 110Right-handed alpha
Helix 17
17
C
111 114Right-handed 310
Helix 18
18
C
117 121Right-handed 310
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There are 6 sheets in PDB entry 3IHK. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 9 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
64 66first strand
Strand 2
A
41 44parallel
Strand 3
A
21 25parallel
Strand 4
A
3 7parallel
Strand 5
A
91 95parallel
Strand 6
A
124 128parallel
Strand 7
A
131 143anti-parallel
Strand 8
A
192 206anti-parallel
Strand 9
A
162 165anti-parallel
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There are 10 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
64 66first strand
Strand 2
A
41 44parallel
Strand 3
A
21 25parallel
Strand 4
A
3 7parallel
Strand 5
A
91 95parallel
Strand 6
A
124 128parallel
Strand 7
A
131 143anti-parallel
Strand 8
A
192 206anti-parallel
Strand 9
A
151 156anti-parallel
Strand 10
A
181 185anti-parallel
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There are 9 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
64 65first strand
Strand 2
B
41 43parallel
Strand 3
B
21 25parallel
Strand 4
B
3 7parallel
Strand 5
B
91 95parallel
Strand 6
B
126 127parallel
Strand 7
B
131 143anti-parallel
Strand 8
B
192 206anti-parallel
Strand 9
B
163 165anti-parallel
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There are 10 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
64 65first strand
Strand 2
B
41 43parallel
Strand 3
B
21 25parallel
Strand 4
B
3 7parallel
Strand 5
B
91 95parallel
Strand 6
B
126 127parallel
Strand 7
B
131 143anti-parallel
Strand 8
B
192 206anti-parallel
Strand 9
B
151 156anti-parallel
Strand 10
B
181 185anti-parallel
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There are 9 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
41 43first strand
Strand 2
C
21 25parallel
Strand 3
C
3 7parallel
Strand 4
C
91 95parallel
Strand 5
C
124 128parallel
Strand 6
C
131 136anti-parallel
Strand 7
C
201 206anti-parallel
Strand 8
C
151 154anti-parallel
Strand 9
C
182 185anti-parallel
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There are 3 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
139 143first strand
Strand 2
C
192 196anti-parallel
Strand 3
C
162 165anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il