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


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 3CKI entry

There are 2 chains in PDB entry 3CKI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 219SER 474
B
 CYS 1ASN 121
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 11 helices in PDB entry 3CKI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
232 239Right-handed alpha
Helix 2
2
A
243 264Right-handed alpha
Helix 3
3
A
313 330Right-handed alpha
Helix 4
4
A
343 345Right-handed 310
Helix 5
5
A
395 411Right-handed alpha
Helix 6
6
A
426 430Right-handed 310
Helix 7
7
A
444 449Right-handed 310
Helix 8
8
A
451 470Right-handed alpha
Helix 9
9
B
7 15Right-handed alpha
Helix 10
10
B
64 68Right-handed 310
Helix 11
11
B
105 114Right-handed alpha
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There are 5 sheets in PDB entry 3CKI. Click on sheet of interest to get list of strands forming it: A, B, C, D, E,

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
276 284first strand
Strand 2
A
224 231parallel
Strand 3
A
334 339parallel
Strand 4
A
382 386parallel
Strand 5
A
347 351anti-parallel
Strand 6
B
2 3anti-parallel
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There are 2 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
369 371first strand
Strand 2
A
376 378anti-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
388 389first strand
Strand 2
A
392 393anti-parallel
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There are 7 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
22 29first strand
Strand 2
B
36 42anti-parallel
Strand 3
B
58 62anti-parallel
Strand 4
B
90 91parallel
Strand 5
B
79 85anti-parallel
Strand 6
B
17 19anti-parallel
Strand 7
B
46 48anti-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
22 29first strand
Strand 2
B
36 42anti-parallel
Strand 3
B
58 62anti-parallel
Strand 4
B
90 91parallel
Strand 5
B
79 85anti-parallel
Strand 6
B
99 100anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il