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


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 3QCH entry

There is 1 chain in PDB entry 3QCH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 825LYS 1123
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 3QCH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
832 858Right-handed alpha
Helix 2
2
A
874 878Right-handed 310
Helix 3
3
A
928 930Right-handed 310
Helix 4
4
A
931 942Right-handed alpha
Helix 5
5
A
1035 1048Right-handed alpha
Helix 6
6
A
1064 1084Right-handed alpha
Helix 7
7
A
1087 1096Right-handed alpha
Helix 8
8
A
1105 1122Right-handed alpha
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There are 3 sheets in PDB entry 3QCH. Click on sheet of interest to get list of strands forming it: A, B, C,

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
A
828 829first strand
Strand 2
A
1085 1086anti-parallel
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There are 8 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
909 914first strand
Strand 2
A
917 924anti-parallel
Strand 3
A
1056 1059parallel
Strand 4
A
946 949parallel
Strand 5
A
1014 1023parallel
Strand 6
A
989 998anti-parallel
Strand 7
A
976 985anti-parallel
Strand 8
A
970 973anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
954 955first strand
Strand 2
A
958 959anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il