Analysis of interatomic Contacts of Structural Units in PDB entry:
4ER3


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 4ER3 entry

There is 1 chain in PDB entry 4ER3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 4ASN 331
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 12 helices in PDB entry 4ER3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
33 48Right-handed alpha
Helix 2
2
A
48 55Right-handed alpha
Helix 3
3
A
55 60Right-handed alpha
Helix 4
4
A
67 91Right-handed alpha
Helix 5
5
A
103 119Right-handed alpha
Helix 6
6
A
139 151Right-handed alpha
Helix 7
7
A
167 177Right-handed alpha
Helix 8
8
A
188 210Right-handed alpha
Helix 9
9
A
225 234Right-handed alpha
Helix 10
10
A
246 259Right-handed alpha
Helix 11
11
A
286 289Right-handed 310
Helix 12
12
A
319 330Right-handed alpha
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There are 3 sheets in PDB entry 4ER3. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 2 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
6 9first strand
Strand 2
A
18 21anti-parallel
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There are 2 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
26 28first strand
Strand 2
A
31 32anti-parallel
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There are 7 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
216 220first strand
Strand 2
A
181 186parallel
Strand 3
A
158 162parallel
Strand 4
A
237 240parallel
Strand 5
A
265 268parallel
Strand 6
A
312 317anti-parallel
Strand 7
A
291 296anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il