Analysis of interatomic Contacts of Structural Units in PDB entry:
2KAI


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 2KAI entry

There are 3 chains in PDB entry 2KAI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 16SER 95
B
 ALA 95PRO 246
I
 PRO 2ALA 58
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 4 helices in PDB entry 2KAI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
HA
A
55 59Right-handed alpha
Helix 2
H1B
B
164 172Right-handed alpha
Helix 3
H2B
B
230 246Right-handed alpha
Helix 4
H1I
I
47 56Right-handed alpha
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There are 3 sheets in PDB entry 2KAI. Click on sheet of interest to get list of strands forming it: SA, SB, S1I,

There are 6 strands in SA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
29 35first strand
Strand 2
A
39 48anti-parallel
Strand 3
A
50 54anti-parallel
Strand 4
B
103 109anti-parallel
Strand 5
A
81 91anti-parallel
Strand 6
A
65 69anti-parallel
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There are 6 strands in SB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
133 140first strand
Strand 2
B
156 163anti-parallel
Strand 3
B
181 184anti-parallel
Strand 4
B
226 229anti-parallel
Strand 5
B
208 215anti-parallel
Strand 6
B
196 201anti-parallel
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There are 2 strands in S1I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
16 25first strand
Strand 2
I
28 36anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il