Analysis of interatomic Contacts of Structural Units in PDB entry:
3CT9


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 3CT9 entry

There are 2 chains in PDB entry 3CT9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TYR 3LEU 355
B
 TYR 3LEU 355
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 24 helices in PDB entry 3CT9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
4 21Right-handed alpha
Helix 2
2
A
29 43Right-handed alpha
Helix 3
3
A
105 120Right-handed alpha
Helix 4
4
A
135 139Right-handed 310
Helix 5
5
A
143 148Right-handed alpha
Helix 6
6
A
149 151Right-handed 310
Helix 7
7
A
197 199Right-handed 310
Helix 8
8
A
200 210Right-handed alpha
Helix 9
9
A
255 267Right-handed alpha
Helix 10
10
A
287 296Right-handed alpha
Helix 11
11
A
307 312Right-handed 310
Helix 12
12
A
323 327Right-handed 310
Helix 13
13
A
336 351Right-handed alpha
Helix 14
14
B
4 22Right-handed alpha
Helix 15
15
B
29 42Right-handed alpha
Helix 16
16
B
105 120Right-handed alpha
Helix 17
17
B
143 147Right-handed 310
Helix 18
18
B
197 199Right-handed 310
Helix 19
19
B
200 210Right-handed alpha
Helix 20
20
B
255 265Right-handed alpha
Helix 21
21
B
287 296Right-handed alpha
Helix 22
22
B
307 312Right-handed 310
Helix 23
23
B
323 327Right-handed 310
Helix 24
24
B
336 351Right-handed alpha
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There are 7 sheets in PDB entry 3CT9. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G,

There are 6 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
47 50first strand
Strand 2
A
53 57anti-parallel
Strand 3
A
127 133anti-parallel
Strand 4
A
67 73parallel
Strand 5
A
156 159parallel
Strand 6
A
316 318parallel
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There are 3 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
91 92first strand
Strand 2
A
96 98anti-parallel
Strand 3
A
333 335anti-parallel
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There are 3 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
281 282first strand
Strand 2
A
168 171anti-parallel
Strand 3
A
301 303parallel
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There are 8 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
270 273first strand
Strand 2
A
175 182anti-parallel
Strand 3
A
241 249anti-parallel
Strand 4
A
223 231anti-parallel
Strand 5
B
223 231anti-parallel
Strand 6
B
241 249anti-parallel
Strand 7
B
175 182anti-parallel
Strand 8
B
270 273anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
48 50first strand
Strand 2
B
53 57anti-parallel
Strand 3
B
127 133anti-parallel
Strand 4
B
67 73parallel
Strand 5
B
156 159parallel
Strand 6
B
315 318parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
91 93first strand
Strand 2
B
96 98anti-parallel
Strand 3
B
333 335anti-parallel
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There are 3 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
281 282first strand
Strand 2
B
168 171anti-parallel
Strand 3
B
301 303parallel
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