Analysis of interatomic Contacts of Structural Units in PDB entry:
9EN4


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 9EN4 entry

There are 2 chains in PDB entry 9EN4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 64ARG 228
B
 ILE 65ARG 228
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 9EN4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
133 135Right-handed 310
Helix 2
AA2
A
223 228Right-handed alpha
Helix 3
AA3
B
133 135Right-handed 310
Helix 4
AA4
B
223 228Right-handed alpha
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There are 6 sheets in PDB entry 9EN4. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6,

There are 6 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
65 69first strand
Strand 2
A
216 219anti-parallel
Strand 3
A
83 89anti-parallel
Strand 4
A
167 173anti-parallel
Strand 5
A
179 184anti-parallel
Strand 6
A
200 205anti-parallel
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There are 6 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
73 75first strand
Strand 2
A
209 212anti-parallel
Strand 3
A
95 100anti-parallel
Strand 4
A
111 117anti-parallel
Strand 5
A
144 151anti-parallel
Strand 6
A
154 162anti-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
121 124first strand
Strand 2
A
137 140anti-parallel
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There are 6 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
66 69first strand
Strand 2
B
216 219anti-parallel
Strand 3
B
83 89anti-parallel
Strand 4
B
167 173anti-parallel
Strand 5
B
179 184anti-parallel
Strand 6
B
200 205anti-parallel
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There are 6 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
73 75first strand
Strand 2
B
209 212anti-parallel
Strand 3
B
95 100anti-parallel
Strand 4
B
111 117anti-parallel
Strand 5
B
144 151anti-parallel
Strand 6
B
154 162anti-parallel
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There are 2 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
121 124first strand
Strand 2
B
137 140anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il