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


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 1ECZ entry

There are 2 chains in PDB entry 1ECZ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1ARG 142
B
 ALA 1ARG 142
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 1ECZ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
G1A
A
7 10Right-handed 310
Helix 2
G2A
A
101 106Right-handed 310
Helix 3
G1B
B
7 10Right-handed 310
Helix 4
G2B
B
101 106Right-handed 310
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There are 7 sheets in PDB entry 1ECZ. Click on sheet of interest to get list of strands forming it: S1A, S2A, S4A, S1B, S2B, S4B, S3,

There are 4 strands in S1A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
20 25first strand
Strand 2
A
115 120anti-parallel
Strand 3
A
70 81parallel
Strand 4
A
54 63anti-parallel
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There are 2 strands in S2A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
36 48first strand
Strand 2
A
93 98anti-parallel
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There are 1 strands in S4A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
137 142first strand
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There are 4 strands in S1B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
20 25first strand
Strand 2
B
115 120anti-parallel
Strand 3
B
70 81parallel
Strand 4
B
54 63anti-parallel
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There are 2 strands in S2B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
36 48first strand
Strand 2
B
93 98anti-parallel
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There are 1 strands in S4B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
137 142first strand
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There are 2 strands in S3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
124 132first strand
Strand 2
B
124 132anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il