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


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 3CKH entry

There are 2 chains in PDB entry 3CKH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 1LYS 174
B
 ASN 1LYS 174
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 7 helices in PDB entry 3CKH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
9 11Right-handed 310
Helix 2
2
A
79 83Right-handed 310
Helix 3
3
A
110 114Right-handed 310
Helix 4
4
A
134 138Right-handed 310
Helix 5
5
B
9 11Right-handed 310
Helix 6
6
B
79 83Right-handed 310
Helix 7
7
B
110 114Right-handed 310
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There are 8 sheets in PDB entry 3CKH. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
3 7first strand
Strand 2
A
163 173anti-parallel
Strand 3
A
40 45anti-parallel
Strand 4
A
27 30anti-parallel
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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
3 7first strand
Strand 2
A
163 173anti-parallel
Strand 3
A
69 77anti-parallel
Strand 4
A
139 145anti-parallel
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There are 4 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
18 20first strand
Strand 2
A
54 57anti-parallel
Strand 3
A
152 159anti-parallel
Strand 4
A
61 62anti-parallel
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There are 5 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
18 20first strand
Strand 2
A
54 57anti-parallel
Strand 3
A
152 159anti-parallel
Strand 4
A
93 101anti-parallel
Strand 5
A
115 121anti-parallel
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There are 4 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
3 7first strand
Strand 2
B
164 173anti-parallel
Strand 3
B
39 44anti-parallel
Strand 4
B
27 31anti-parallel
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There are 5 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
3 7first strand
Strand 2
B
164 173anti-parallel
Strand 3
B
69 77anti-parallel
Strand 4
B
136 145anti-parallel
Strand 5
B
126 129anti-parallel
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There are 4 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
18 19first strand
Strand 2
B
54 57anti-parallel
Strand 3
B
152 159anti-parallel
Strand 4
B
61 62anti-parallel
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There are 5 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
18 19first strand
Strand 2
B
54 57anti-parallel
Strand 3
B
152 159anti-parallel
Strand 4
B
94 101anti-parallel
Strand 5
B
115 120anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il