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


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 4TWN entry

There is 1 chain in PDB entry 4TWN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 608ASP 904
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 15 helices in PDB entry 4TWN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
608 612Right-handed 310
Helix 2
AA2
A
617 619Right-handed 310
Helix 3
AA3
A
660 675Right-handed alpha
Helix 4
AA4
A
706 713Right-handed alpha
Helix 5
AA5
A
719 740Right-handed alpha
Helix 6
AA6
A
748 750Right-handed 310
Helix 7
AA7
A
764 769Right-handed alpha
Helix 8
AA8
A
787 791Right-handed 310
Helix 9
AA9
A
792 799Right-handed alpha
Helix 10
AB1
A
802 819Right-handed alpha
Helix 11
AB2
A
829 840Right-handed alpha
Helix 12
AB3
A
850 861Right-handed alpha
Helix 13
AB4
A
864 868Right-handed 310
Helix 14
AB5
A
870 884Right-handed alpha
Helix 15
AB6
A
885 890Right-handed 310
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There are 2 sheets in PDB entry 4TWN. Click on sheet of interest to get list of strands forming it: AA1, AA2,

There are 5 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
621 629first strand
Strand 2
A
633 641anti-parallel
Strand 3
A
647 655anti-parallel
Strand 4
A
696 700anti-parallel
Strand 5
A
685 689anti-parallel
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There are 2 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
752 754first strand
Strand 2
A
760 762anti-parallel
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