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


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 1ABI entry

There are 5 chains in PDB entry 1ABI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 SER 1ARG 15
H
 ILE 16GLU 247
I
 PRO 2PRO 2
I
 GLY 4ASP 55
I
 GLU 57LEU 64
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 8 helices in PDB entry 1ABI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
L
7 11Right-handed 310
Helix 2
2
L
14 14Right-handed alpha
Helix 3
3
H
55 58Right-handed 310
Helix 4
4
H
60 60Right-handed 310
Helix 5
5
H
60 62Right-handed 310
Helix 6
6
H
125 130Right-handed alpha
Helix 7
7
H
164 171Right-handed alpha
Helix 8
8
H
234 246Right-handed alpha
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There are 2 sheets in PDB entry 1ABI. Click on sheet of interest to get list of strands forming it: A, B,

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
H
20 21first strand
Strand 2
H
156 161anti-parallel
Strand 3
H
135 140anti-parallel
Strand 4
H
198 202anti-parallel
Strand 5
H
207 215anti-parallel
Strand 6
H
226 230anti-parallel
Strand 7
H
180 183anti-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
H
30 35first strand
Strand 2
H
39 46anti-parallel
Strand 3
H
51 54anti-parallel
Strand 4
H
104 108anti-parallel
Strand 5
H
81 90anti-parallel
Strand 6
H
64 68anti-parallel
Strand 7
H
30 35anti-parallel
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