Analysis of interatomic Contacts of Structural Units in PDB entry:
3CH4


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 3CH4 entry

There is 1 chain in PDB entry 3CH4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
B
 GLY -1LYS 193
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 8 helices in PDB entry 3CH4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
B
21 34Right-handed alpha
Helix 2
2
B
43 54Right-handed alpha
Helix 3
3
B
71 87Right-handed alpha
Helix 4
4
B
91 96Right-handed alpha
Helix 5
5
B
111 123Right-handed alpha
Helix 6
6
B
134 141Right-handed alpha
Helix 7
7
B
152 157Right-handed alpha
Helix 8
8
B
173 190Right-handed alpha
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There is 1 sheet ( A) in PDB entry 3CH4.

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
B
38 41first strand
Strand 2
B
103 106parallel
Strand 3
B
10 16parallel
Strand 4
B
126 133parallel
Strand 5
B
166 170parallel
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