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


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 1LEN entry

There are 4 chains in PDB entry 1LEN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 1ASN 181
B
 VAL 1GLY 47
C
 THR 1ASN 181
D
 VAL 1GLY 47
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 1LEN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
HA1
A
99 101Right-handed 310
Helix 2
HB1
B
11 14Right-handed alpha
Helix 3
HC1
C
99 101Right-handed 310
Helix 4
HD2
D
11 14Right-handed alpha
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There are 4 sheets in PDB entry 1LEN. Click on sheet of interest to get list of strands forming it: AS1, AS2, BS1, BS2,

There are 6 strands in AS1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
2 8first strand
Strand 2
A
173 179anti-parallel
Strand 3
A
158 166anti-parallel
Strand 4
A
62 69anti-parallel
Strand 5
B
39 46anti-parallel
Strand 6
A
2 8anti-parallel
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There are 7 strands in AS2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
18 23first strand
Strand 2
A
41 46anti-parallel
Strand 3
B
22 27anti-parallel
Strand 4
A
82 87anti-parallel
Strand 5
A
116 121anti-parallel
Strand 6
A
136 141anti-parallel
Strand 7
A
146 151anti-parallel
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There are 6 strands in BS1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
2 8first strand
Strand 2
C
173 179anti-parallel
Strand 3
C
158 166anti-parallel
Strand 4
C
62 69anti-parallel
Strand 5
D
39 46anti-parallel
Strand 6
C
2 8anti-parallel
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There are 7 strands in BS2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
18 23first strand
Strand 2
C
41 46anti-parallel
Strand 3
D
22 27anti-parallel
Strand 4
C
82 87anti-parallel
Strand 5
C
116 121anti-parallel
Strand 6
C
136 141anti-parallel
Strand 7
C
146 151anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il