Analysis of interatomic Contacts of Structural Units in PDB entry:
4A1V


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 4A1V entry

There are 4 chains in PDB entry 4A1V (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY -14MET 179
B
 GLY -14ARG 180
C
 ASP 4HIS 19
D
 ASP 4SER 20
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 4A1V. 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
133 136Right-handed 310
Helix 4
4
A
172 179Right-handed alpha
Helix 5
5
B
12 23Right-handed alpha
Helix 6
6
B
56 60Right-handed alpha
Helix 7
7
B
133 136Right-handed 310
Helix 8
8
B
172 179Right-handed alpha
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There are 4 sheets in PDB entry 4A1V. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB,

There are 7 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
5 9first strand
Strand 2
A
-11 -4anti-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 AB 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 160parallel
Strand 6
A
142 144anti-parallel
Strand 7
A
103 107first strand
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There are 7 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
5 9first strand
Strand 2
B
-11 -4anti-parallel
Strand 3
B
33 37anti-parallel
Strand 4
B
42 48anti-parallel
Strand 5
B
51 55anti-parallel
Strand 6
B
82 86anti-parallel
Strand 7
B
75 77anti-parallel
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There are 7 strands in BB 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 118anti-parallel
Strand 3
B
123 131anti-parallel
Strand 4
B
163 171anti-parallel
Strand 5
B
150 160parallel
Strand 6
B
142 144anti-parallel
Strand 7
B
103 107first strand
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