Analysis of interatomic Contacts of Structural Units in PDB entry:
9TWA


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 9TWA entry

There are 2 chains in PDB entry 9TWA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 2LYS 202
B
 THR 2LYS 202
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 26 helices in PDB entry 9TWA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
20 30Right-handed alpha
Helix 2
AA2
A
30 44Right-handed alpha
Helix 3
AA3
A
46 51Right-handed alpha
Helix 4
AA4
A
53 60Right-handed alpha
Helix 5
AA5
A
61 64Right-handed 310
Helix 6
AA6
A
65 88Right-handed alpha
Helix 7
AA7
A
98 110Right-handed alpha
Helix 8
AA8
A
111 126Right-handed alpha
Helix 9
AA9
A
151 156Right-handed 310
Helix 10
AB1
A
166 169Right-handed 310
Helix 11
AB2
A
170 175Right-handed alpha
Helix 12
AB3
A
177 186Right-handed alpha
Helix 13
AB4
A
190 200Right-handed alpha
Helix 14
AB5
B
20 30Right-handed alpha
Helix 15
AB6
B
30 44Right-handed alpha
Helix 16
AB7
B
46 52Right-handed 310
Helix 17
AB8
B
53 60Right-handed alpha
Helix 18
AB9
B
61 64Right-handed 310
Helix 19
AC1
B
65 88Right-handed alpha
Helix 20
AC2
B
98 110Right-handed alpha
Helix 21
AC3
B
111 126Right-handed alpha
Helix 22
AC4
B
151 156Right-handed 310
Helix 23
AC5
B
166 169Right-handed 310
Helix 24
AC6
B
170 175Right-handed alpha
Helix 25
AC7
B
177 186Right-handed alpha
Helix 26
AC8
B
190 201Right-handed alpha
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There are 2 sheets in PDB entry 9TWA. Click on sheet of interest to get list of strands forming it: AA1, AA2,

There are 3 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
140 147first strand
Strand 2
A
130 137anti-parallel
Strand 3
A
158 164anti-parallel
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There are 3 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
140 147first strand
Strand 2
B
130 137anti-parallel
Strand 3
B
158 164anti-parallel
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