Analysis of interatomic Contacts of Structural Units in PDB entry:
4TW8


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 4TW8 entry

There are 2 chains in PDB entry 4TW8 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 21ALA 255
B
 GLU 21ALA 255
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 12 helices in PDB entry 4TW8. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
87 95Right-handed alpha
Helix 2
AA2
A
109 112Right-handed 310
Helix 3
AA3
A
194 199Right-handed 310
Helix 4
AA4
A
201 209Right-handed alpha
Helix 5
AA5
A
223 226Right-handed 310
Helix 6
AA6
A
232 236Right-handed 310
Helix 7
AA7
B
87 95Right-handed alpha
Helix 8
AA8
B
109 112Right-handed 310
Helix 9
AA9
B
195 199Right-handed 310
Helix 10
AB1
B
201 209Right-handed alpha
Helix 11
AB2
B
223 226Right-handed 310
Helix 12
AB3
B
232 236Right-handed 310
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There are 6 sheets in PDB entry 4TW8. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6,

There are 6 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
23 24first strand
Strand 2
A
33 39anti-parallel
Strand 3
A
102 107anti-parallel
Strand 4
A
128 138anti-parallel
Strand 5
A
52 61anti-parallel
Strand 6
A
67 69anti-parallel
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There are 6 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
23 24first strand
Strand 2
A
33 39anti-parallel
Strand 3
A
102 107anti-parallel
Strand 4
A
128 138anti-parallel
Strand 5
A
52 61anti-parallel
Strand 6
A
77 80anti-parallel
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There are 6 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
140 141first strand
Strand 2
A
150 156anti-parallel
Strand 3
A
216 221anti-parallel
Strand 4
A
243 253anti-parallel
Strand 5
A
169 177anti-parallel
Strand 6
A
182 191anti-parallel
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There are 6 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
23 24first strand
Strand 2
B
33 39anti-parallel
Strand 3
B
102 107anti-parallel
Strand 4
B
128 138anti-parallel
Strand 5
B
52 61anti-parallel
Strand 6
B
67 69anti-parallel
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There are 6 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
23 24first strand
Strand 2
B
33 39anti-parallel
Strand 3
B
102 107anti-parallel
Strand 4
B
128 138anti-parallel
Strand 5
B
52 61anti-parallel
Strand 6
B
77 80anti-parallel
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There are 6 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
140 141first strand
Strand 2
B
150 156anti-parallel
Strand 3
B
216 221anti-parallel
Strand 4
B
243 253anti-parallel
Strand 5
B
169 178anti-parallel
Strand 6
B
181 191anti-parallel
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