Analysis of interatomic Contacts of Structural Units in PDB entry:
1CTU


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 1CTU entry

There is 1 chain in PDB entry 1CTU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ALA 294
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 14 helices in PDB entry 1CTU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
3 11Right-handed 310
Helix 2
2
A
14 21Right-handed alpha
Helix 3
3
A
35 44Right-handed alpha
Helix 4
4
A
49 63Right-handed alpha
Helix 5
5
A
97 99Right-handed 310
Helix 6
6
A
103 113Right-handed alpha
Helix 7
7
A
130 138Right-handed alpha
Helix 8
8
A
142 144Right-handed 310
Helix 9
9
A
157 160Right-handed alpha
Helix 10
10
A
167 170Right-handed 310
Helix 11
11
A
190 201Right-handed alpha
Helix 12
12
A
239 249Right-handed alpha
Helix 13
13
A
254 256Right-handed 310
Helix 14
14
A
273 282Right-handed alpha
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There are 2 sheets in PDB entry 1CTU. Click on sheet of interest to get list of strands forming it: A, B,

There are 4 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
84 88first strand
Strand 2
A
74 79anti-parallel
Strand 3
A
119 124anti-parallel
Strand 4
A
146 149parallel
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There are 4 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
222 226first strand
Strand 2
A
211 217anti-parallel
Strand 3
A
257 264anti-parallel
Strand 4
A
288 292parallel
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