Analysis of interatomic Contacts of Structural Units in PDB entry:
1I2K


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 1I2K entry

There is 1 chain in PDB entry 1I2K (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ASN 269
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 8 helices in PDB entry 1I2K. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 22Right-handed alpha
Helix 2
2
A
38 53Right-handed alpha
Helix 3
3
A
59 75Right-handed alpha
Helix 4
4
A
111 120Right-handed alpha
Helix 5
5
A
144 155Right-handed alpha
Helix 6
6
A
199 212Right-handed alpha
Helix 7
7
A
222 228Right-handed alpha
Helix 8
8
A
255 267Right-handed alpha
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There are 3 sheets in PDB entry 1I2K. Click on sheet of interest to get list of strands forming it: A, B, C,

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
7 9first strand
Strand 2
A
2 4anti-parallel
Strand 3
A
101 107anti-parallel
Strand 4
A
77 84anti-parallel
Strand 5
A
24 32anti-parallel
Strand 6
A
35 36anti-parallel
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There are 8 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
215 219first strand
Strand 2
A
186 190parallel
Strand 3
A
178 183anti-parallel
Strand 4
A
231 235anti-parallel
Strand 5
A
241 247anti-parallel
Strand 6
A
121 125parallel
Strand 7
A
161 165parallel
Strand 8
A
171 173anti-parallel
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There are 6 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
215 219first strand
Strand 2
A
186 190parallel
Strand 3
A
178 183anti-parallel
Strand 4
A
231 235anti-parallel
Strand 5
A
241 247anti-parallel
Strand 6
A
250 251anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il