Analysis of interatomic Contacts of Structural Units in PDB entry:
27IQ


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 27IQ entry

There are 2 chains in PDB entry 27IQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 190HIS 331
B
 SER 190VAL 315
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 6 helices in PDB entry 27IQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
221 230Right-handed alpha
Helix 2
AA2
A
232 236Right-handed 310
Helix 3
AA3
A
285 292Right-handed alpha
Helix 4
AA4
B
221 230Right-handed alpha
Helix 5
AA5
B
232 236Right-handed 310
Helix 6
AA6
B
285 292Right-handed alpha
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There are 5 sheets in PDB entry 27IQ. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5,

There are 8 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
313 315first strand
Strand 2
A
195 202anti-parallel
Strand 3
A
255 263anti-parallel
Strand 4
A
266 274anti-parallel
Strand 5
A
219 220parallel
Strand 6
A
282 284anti-parallel
Strand 7
A
205 211parallel
Strand 8
A
195 202anti-parallel
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There are 2 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
244 245first strand
Strand 2
A
328 329anti-parallel
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There are 6 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
308 311first strand
Strand 2
A
302 305anti-parallel
Strand 3
A
295 297anti-parallel
Strand 4
B
295 297anti-parallel
Strand 5
B
302 305anti-parallel
Strand 6
B
308 311anti-parallel
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There are 2 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
322 325first strand
Strand 2
B
242 245parallel
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There are 8 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
313 315first strand
Strand 2
B
195 202anti-parallel
Strand 3
B
255 263anti-parallel
Strand 4
B
266 274anti-parallel
Strand 5
B
218 220parallel
Strand 6
B
282 284anti-parallel
Strand 7
B
205 211parallel
Strand 8
B
195 202anti-parallel
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