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


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 4IHT entry

There are 8 chains in PDB entry 4IHT (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1HIS 89
B
 MET 1HIS 90
C
 MET 1ALA 86
D
 MET 1HIS 90
E
 T 1 T 25
F
 A 1 A 25
G
 T 1 T 25
H
 A 1 A 25
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 16 helices in PDB entry 4IHT. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 16Right-handed alpha
Helix 2
2
A
17 26Right-handed alpha
Helix 3
3
A
28 44Right-handed alpha
Helix 4
4
A
58 86Right-handed alpha
Helix 5
5
B
2 16Right-handed alpha
Helix 6
6
B
17 25Right-handed alpha
Helix 7
7
B
28 44Right-handed alpha
Helix 8
8
B
58 87Right-handed alpha
Helix 9
9
C
2 16Right-handed alpha
Helix 10
10
C
17 26Right-handed alpha
Helix 11
11
C
28 44Right-handed alpha
Helix 12
12
C
58 86Right-handed alpha
Helix 13
13
D
2 16Right-handed alpha
Helix 14
14
D
17 26Right-handed alpha
Helix 15
15
D
28 44Right-handed alpha
Helix 16
16
D
58 87Right-handed alpha
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There is 1 sheet ( A) in PDB entry 4IHT.

There are 2 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
48 49first strand
Strand 2
C
56 57anti-parallel
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