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


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 3CKX entry


Note, this PDB entry contains modified residue(s) PHOSPHOTHREONINE (TPO) . This residue is treated as heterogroup (ligand) both in the PDB entry and in LPC/CSU analysis.

There are 2 chains in PDB entry 3CKX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 5ASN 162
A
 PHE 164GLN 283
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 13 helices in PDB entry 3CKX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
48 62Right-handed alpha
Helix 2
2
A
92 97Right-handed alpha
Helix 3
3
A
102 123Right-handed alpha
Helix 4
4
A
167 171Right-handed 310
Helix 5
5
A
172 177Right-handed alpha
Helix 6
6
A
183 200Right-handed alpha
Helix 7
7
A
208 219Right-handed alpha
Helix 8
8
A
229 240Right-handed alpha
Helix 9
9
A
243 247Right-handed 310
Helix 10
10
A
249 255Right-handed alpha
Helix 11
11
A
256 263Right-handed alpha
Helix 12
12
A
265 268Right-handed 310
Helix 13
13
A
269 281Right-handed alpha
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There are 3 sheets in PDB entry 3CKX. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 5 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
9 16first strand
Strand 2
A
22 28anti-parallel
Strand 3
A
34 41anti-parallel
Strand 4
A
79 85anti-parallel
Strand 5
A
70 76anti-parallel
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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
90 91first strand
Strand 2
A
135 137anti-parallel
Strand 3
A
143 145anti-parallel
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There are 2 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
125 126first strand
Strand 2
A
152 153anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il