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


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 2BTC entry

There are 2 chains in PDB entry 2BTC (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
E
 ILE 16ASN 245
I
 ARG 501GLY 529
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 2BTC. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
E
56 58Right-handed 310
Helix 2
2
E
165 171Right-handed alpha
Helix 3
3
E
231 243Right-handed 310
Helix 4
4
I
513 515Right-handed 310
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There are 4 sheets in PDB entry 2BTC. Click on sheet of interest to get list of strands forming it: A, A1, B, C,

There are 7 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
180 183first strand
Strand 2
E
226 230anti-parallel
Strand 3
E
204 216anti-parallel
Strand 4
E
198 201anti-parallel
Strand 5
E
135 140anti-parallel
Strand 6
E
156 161anti-parallel
Strand 7
E
20 21anti-parallel
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There are 4 strands in A1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
180 183first strand
Strand 2
E
226 230anti-parallel
Strand 3
E
204 216anti-parallel
Strand 4
I
503 504anti-parallel
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There are 7 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
30 34first strand
Strand 2
E
40 48anti-parallel
Strand 3
E
51 54anti-parallel
Strand 4
E
104 108anti-parallel
Strand 5
E
81 90anti-parallel
Strand 6
E
64 67anti-parallel
Strand 7
E
30 34anti-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
I
521 522first strand
Strand 2
I
528 529anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il