Analysis of interatomic Contacts of Structural Units in PDB entry:
1N1L


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 1N1L entry

There are 4 chains in PDB entry 1N1L (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1ARG 180
B
 GLN 28ARG 180
C
 LYS 20LYS 40
D
 GLY 21ALA 36
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 7 helices in PDB entry 1N1L. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 23Right-handed alpha
Helix 2
2
A
56 60Right-handed alpha
Helix 3
3
A
132 136Right-handed alpha
Helix 4
4
A
172 180Right-handed alpha
Helix 5
5
B
56 60Right-handed alpha
Helix 6
6
B
133 136Right-handed 310
Helix 7
7
B
172 179Right-handed alpha
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There are 4 sheets in PDB entry 1N1L. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 7 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
C
24 30anti-parallel
Strand 3
A
33 37anti-parallel
Strand 4
A
42 48anti-parallel
Strand 5
A
51 55anti-parallel
Strand 6
A
82 86anti-parallel
Strand 7
A
75 77anti-parallel
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There are 7 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
103 107first strand
Strand 2
A
113 118anti-parallel
Strand 3
A
123 131anti-parallel
Strand 4
A
163 171anti-parallel
Strand 5
A
150 160anti-parallel
Strand 6
A
142 144anti-parallel
Strand 7
A
103 107anti-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
B
75 77first strand
Strand 2
B
82 86anti-parallel
Strand 3
B
51 55anti-parallel
Strand 4
B
42 48anti-parallel
Strand 5
B
33 37anti-parallel
Strand 6
D
24 30anti-parallel
Strand 7
C
36 37anti-parallel
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There are 7 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
103 107first strand
Strand 2
B
113 120anti-parallel
Strand 3
B
123 131anti-parallel
Strand 4
B
163 171anti-parallel
Strand 5
B
150 160anti-parallel
Strand 6
B
142 144anti-parallel
Strand 7
B
103 107anti-parallel
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