Analysis of interatomic Contacts of Structural Units in PDB entry:
9EN3


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 9EN3 entry

There is 1 chain in PDB entry 9EN3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 42HIS 370
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 16 helices in PDB entry 9EN3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
59 61Right-handed 310
Helix 2
AA2
A
62 69Right-handed alpha
Helix 3
AA3
A
72 77Right-handed 310
Helix 4
AA4
A
79 88Right-handed alpha
Helix 5
AA5
A
128 131Right-handed 310
Helix 6
AA6
A
134 151Right-handed alpha
Helix 7
AA7
A
166 173Right-handed alpha
Helix 8
AA8
A
188 205Right-handed alpha
Helix 9
AA9
A
221 228Right-handed alpha
Helix 10
AB1
A
229 236Right-handed alpha
Helix 11
AB2
A
237 241Right-handed 310
Helix 12
AB3
A
252 261Right-handed alpha
Helix 13
AB4
A
305 321Right-handed alpha
Helix 14
AB5
A
322 325Right-handed 310
Helix 15
AB6
A
336 338Right-handed 310
Helix 16
AB7
A
339 349Right-handed alpha
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There are 3 sheets in PDB entry 9EN3. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3,

There are 10 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
54 57first strand
Strand 2
A
93 100anti-parallel
Strand 3
A
103 113anti-parallel
Strand 4
A
118 126anti-parallel
Strand 5
A
156 161parallel
Strand 6
A
360 368anti-parallel
Strand 7
A
174 187anti-parallel
Strand 8
A
328 335anti-parallel
Strand 9
A
294 303parallel
Strand 10
A
284 285anti-parallel
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There are 7 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
214 216first strand
Strand 2
A
265 268anti-parallel
Strand 3
A
276 280anti-parallel
Strand 4
A
294 303anti-parallel
Strand 5
A
328 335parallel
Strand 6
A
174 187anti-parallel
Strand 7
A
354 355anti-parallel
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There are 2 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
242 244first strand
Strand 2
A
247 249anti-parallel
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