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


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 2CAS entry

There is 1 chain in PDB entry 2CAS (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 37TYR 584
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 3 helices in PDB entry 2CAS. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
A0
A
116 121Right-handed alpha
Helix 2
A1
A
122 133Right-handed alpha
Helix 3
B
A
246 250Right-handed alpha
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There are 3 sheets in PDB entry 2CAS. Click on sheet of interest to get list of strands forming it: BDG, CHF, CYL,

There are 5 strands in BDG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
48 54first strand
Strand 2
A
57 73anti-parallel
Strand 3
A
522 540anti-parallel
Strand 4
A
132 153anti-parallel
Strand 5
A
261 268anti-parallel
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There are 4 strands in CHF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
110 112first strand
Strand 2
A
497 503anti-parallel
Strand 3
A
172 178anti-parallel
Strand 4
A
253 255anti-parallel
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There are 2 strands in CYL sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
150 156first strand
Strand 2
A
162 168anti-parallel
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