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


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 2IXK entry

There are 2 chains in PDB entry 2IXK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 1PRO 184
B
 SER 1PRO 184
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 2IXK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
35 43Right-handed alpha
Helix 2
2
A
141 143Right-handed 310
Helix 3
3
A
168 173Right-handed alpha
Helix 4
4
A
176 180Right-handed 310
Helix 5
5
B
35 43Right-handed alpha
Helix 6
6
B
141 143Right-handed 310
Helix 7
7
B
168 173Right-handed alpha
Helix 8
8
B
176 180Right-handed 310
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There are 4 sheets in PDB entry 2IXK. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA,

There are 8 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
5 8first strand
Strand 2
A
15 18anti-parallel
Strand 3
A
112 115anti-parallel
Strand 4
A
74 80anti-parallel
Strand 5
A
129 136anti-parallel
Strand 6
A
50 57anti-parallel
Strand 7
B
27 34anti-parallel
Strand 8
B
22 24anti-parallel
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There are 8 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
21 24first strand
Strand 2
A
27 34anti-parallel
Strand 3
B
50 57anti-parallel
Strand 4
B
129 136anti-parallel
Strand 5
B
74 80anti-parallel
Strand 6
B
112 115anti-parallel
Strand 7
B
15 18anti-parallel
Strand 8
B
5 8anti-parallel
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There are 5 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
100 106first strand
Strand 2
A
82 89anti-parallel
Strand 3
A
119 125anti-parallel
Strand 4
A
61 67anti-parallel
Strand 5
A
145 147anti-parallel
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There are 5 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
100 106first strand
Strand 2
B
82 89anti-parallel
Strand 3
B
119 125anti-parallel
Strand 4
B
61 67anti-parallel
Strand 5
B
145 147anti-parallel
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