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


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 2IER entry

There are 2 chains in PDB entry 2IER (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 2LYS 280
B
 GLY 2LYS 280
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 2IER. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
49 51Right-handed 310
Helix 2
2
A
77 88Right-handed alpha
Helix 3
3
A
108 117Right-handed alpha
Helix 4
4
A
182 186Right-handed 310
Helix 5
5
A
197 204Right-handed alpha
Helix 6
6
A
233 248Right-handed alpha
Helix 7
7
A
249 251Right-handed 310
Helix 8
8
A
264 278Right-handed alpha
Helix 9
9
B
49 51Right-handed 310
Helix 10
10
B
77 88Right-handed alpha
Helix 11
11
B
108 117Right-handed alpha
Helix 12
12
B
182 186Right-handed 310
Helix 13
13
B
197 204Right-handed alpha
Helix 14
14
B
233 248Right-handed alpha
Helix 15
15
B
249 251Right-handed 310
Helix 16
16
B
264 278Right-handed alpha
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There are 12 sheets in PDB entry 2IER. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

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
3 7first strand
Strand 2
A
120 126anti-parallel
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There are 5 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
11 16first strand
Strand 2
A
23 30anti-parallel
Strand 3
A
92 97anti-parallel
Strand 4
A
37 41parallel
Strand 5
A
44 47anti-parallel
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There are 3 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
53 55first strand
Strand 2
A
61 69anti-parallel
Strand 3
A
72 74anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
130 131first strand
Strand 2
A
254 261parallel
Strand 3
A
143 148anti-parallel
Strand 4
A
136 140anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
130 131first strand
Strand 2
A
254 261parallel
Strand 3
A
153 160parallel
Strand 4
A
170 179anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
192 194first strand
Strand 2
A
216 218parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
3 7first strand
Strand 2
B
120 126anti-parallel
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There are 5 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
11 16first strand
Strand 2
B
23 30anti-parallel
Strand 3
B
92 97anti-parallel
Strand 4
B
37 41parallel
Strand 5
B
44 47anti-parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
53 55first strand
Strand 2
B
61 69anti-parallel
Strand 3
B
72 74anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
130 131first strand
Strand 2
B
254 261parallel
Strand 3
B
143 148anti-parallel
Strand 4
B
136 140anti-parallel
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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
130 131first strand
Strand 2
B
254 261parallel
Strand 3
B
153 160parallel
Strand 4
B
170 179anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
192 194first strand
Strand 2
B
216 218parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il