Analysis of interatomic Contacts of Structural Units in PDB entry:
1IEA


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 1IEA entry

There are 4 chains in PDB entry 1IEA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 1GLU 182
B
 GLY 5TRP 188
C
 ILE 1GLU 182
D
 GLY 5TRP 188
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 10 helices in PDB entry 1IEA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
46 50Right-handed 310
Helix 2
2
A
56 76Right-handed alpha
Helix 3
3
B
52 63Right-handed 310
Helix 4
4
B
65 77Right-handed alpha
Helix 5
5
B
79 88Right-handed alpha
Helix 6
6
C
46 50Right-handed 310
Helix 7
7
C
56 76Right-handed alpha
Helix 8
8
D
52 63Right-handed 310
Helix 9
9
D
65 77Right-handed alpha
Helix 10
10
D
79 88Right-handed alpha
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There are 11 sheets in PDB entry 1IEA. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K,

There are 8 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
40 43first strand
Strand 2
A
29 35anti-parallel
Strand 3
A
19 26anti-parallel
Strand 4
A
5 15anti-parallel
Strand 5
B
7 17anti-parallel
Strand 6
B
24 32anti-parallel
Strand 7
B
35 41anti-parallel
Strand 8
B
46 49anti-parallel
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There are 4 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
88 93first strand
Strand 2
A
102 110anti-parallel
Strand 3
A
147 154anti-parallel
Strand 4
A
132 134anti-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
118 123first strand
Strand 2
A
160 166anti-parallel
Strand 3
A
174 179anti-parallel
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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
4 6first strand
Strand 2
D
142 144parallel
Strand 3
D
157 163anti-parallel
Strand 4
D
113 120anti-parallel
Strand 5
D
98 104anti-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
B
98 104first strand
Strand 2
B
113 122anti-parallel
Strand 3
B
155 163anti-parallel
Strand 4
B
142 144anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
127 133first strand
Strand 2
B
171 177anti-parallel
Strand 3
B
184 188anti-parallel
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There are 8 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
40 43first strand
Strand 2
C
29 35anti-parallel
Strand 3
C
19 26anti-parallel
Strand 4
C
5 15anti-parallel
Strand 5
D
7 17anti-parallel
Strand 6
D
24 32anti-parallel
Strand 7
D
35 41anti-parallel
Strand 8
D
46 49anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
52 54first strand
Strand 2
D
7 1parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
88 93first strand
Strand 2
C
102 110anti-parallel
Strand 3
C
147 154anti-parallel
Strand 4
C
132 134anti-parallel
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There are 3 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
118 123first strand
Strand 2
C
160 166anti-parallel
Strand 3
C
174 179anti-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
D
136 138first strand
Strand 2
D
127 133anti-parallel
Strand 3
D
171 177anti-parallel
Strand 4
D
184 188anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il