Analysis of interatomic Contacts of Structural Units in PDB entry:
4P81


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 4P81 entry

There are 4 chains in PDB entry 4P81 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 4LYS 180
B
 GLN 3LYS 180
C
 SER 2GLU 179
D
 GLY 1LYS 180
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 16 helices in PDB entry 4P81. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
10 30Right-handed alpha
Helix 2
AA2
A
42 60Right-handed alpha
Helix 3
AA3
A
111 125Right-handed alpha
Helix 4
AA4
A
166 171Right-handed alpha
Helix 5
AA5
B
10 30Right-handed alpha
Helix 6
AA6
B
42 60Right-handed alpha
Helix 7
AA7
B
111 125Right-handed alpha
Helix 8
AA8
B
166 171Right-handed alpha
Helix 9
AA9
C
10 30Right-handed alpha
Helix 10
AB1
C
41 60Right-handed alpha
Helix 11
AB2
C
111 125Right-handed alpha
Helix 12
AB3
C
166 171Right-handed alpha
Helix 13
AB4
D
10 30Right-handed alpha
Helix 14
AB5
D
42 60Right-handed alpha
Helix 15
AB6
D
111 125Right-handed alpha
Helix 16
AB7
D
166 171Right-handed alpha
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There are 8 sheets in PDB entry 4P81. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8,

There are 3 strands in AA1 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
A
174 179anti-parallel
Strand 3
A
160 165anti-parallel
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There are 6 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
87 91first strand
Strand 2
A
65 70anti-parallel
Strand 3
A
35 40parallel
Strand 4
A
100 108parallel
Strand 5
A
129 137parallel
Strand 6
A
149 153parallel
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There are 3 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
4 9first strand
Strand 2
B
174 179anti-parallel
Strand 3
B
160 165anti-parallel
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There are 6 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
87 91first strand
Strand 2
B
65 70anti-parallel
Strand 3
B
35 40parallel
Strand 4
B
100 108parallel
Strand 5
B
129 137parallel
Strand 6
B
149 153parallel
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There are 3 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
4 9first strand
Strand 2
C
174 178anti-parallel
Strand 3
C
161 165anti-parallel
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There are 6 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
89 91first strand
Strand 2
C
65 69anti-parallel
Strand 3
C
35 40parallel
Strand 4
C
100 108parallel
Strand 5
C
129 137parallel
Strand 6
C
149 153parallel
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There are 3 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
3 9first strand
Strand 2
D
174 179anti-parallel
Strand 3
D
161 165anti-parallel
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There are 6 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
89 91first strand
Strand 2
D
65 69anti-parallel
Strand 3
D
35 40parallel
Strand 4
D
100 108parallel
Strand 5
D
129 137parallel
Strand 6
D
149 153parallel
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