Analysis of interatomic Contacts of Structural Units in PDB entry:
3BU2


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 3BU2 entry

There are 4 chains in PDB entry 3BU2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1GLU 198
B
 MSE 1GLU 198
C
 MSE 1GLU 198
D
 MSE 1GLU 198
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 3BU2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
50 53Right-handed 310
Helix 2
2
A
65 79Right-handed alpha
Helix 3
3
B
50 53Right-handed 310
Helix 4
4
B
65 79Right-handed alpha
Helix 5
5
C
50 53Right-handed 310
Helix 6
6
C
65 79Right-handed alpha
Helix 7
7
D
50 53Right-handed 310
Helix 8
8
D
65 79Right-handed alpha
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There are 16 sheets in PDB entry 3BU2. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P,

There are 5 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
2 6first strand
Strand 2
A
11 17anti-parallel
Strand 3
B
41 48anti-parallel
Strand 4
B
33 38anti-parallel
Strand 5
B
26 30anti-parallel
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There are 5 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
25 30first strand
Strand 2
A
33 38anti-parallel
Strand 3
A
41 48anti-parallel
Strand 4
B
11 17anti-parallel
Strand 5
B
2 6anti-parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
121 126first strand
Strand 2
A
111 116anti-parallel
Strand 3
A
93 103anti-parallel
Strand 4
A
136 140anti-parallel
Strand 5
A
165 166anti-parallel
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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
121 126first strand
Strand 2
A
111 116anti-parallel
Strand 3
A
93 103anti-parallel
Strand 4
A
136 140anti-parallel
Strand 5
A
185 186anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
154 157first strand
Strand 2
A
160 163anti-parallel
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There are 5 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
121 126first strand
Strand 2
B
111 116anti-parallel
Strand 3
B
93 103anti-parallel
Strand 4
B
136 140anti-parallel
Strand 5
B
165 166anti-parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
121 126first strand
Strand 2
B
111 116anti-parallel
Strand 3
B
93 103anti-parallel
Strand 4
B
136 140anti-parallel
Strand 5
B
185 186anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
154 157first strand
Strand 2
B
160 163anti-parallel
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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
2 4first strand
Strand 2
C
13 17anti-parallel
Strand 3
D
41 48anti-parallel
Strand 4
D
33 38anti-parallel
Strand 5
D
25 30anti-parallel
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There are 5 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
26 30first strand
Strand 2
C
33 38anti-parallel
Strand 3
C
41 48anti-parallel
Strand 4
D
11 17anti-parallel
Strand 5
D
2 6anti-parallel
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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
121 126first strand
Strand 2
C
111 116anti-parallel
Strand 3
C
93 103anti-parallel
Strand 4
C
136 140anti-parallel
Strand 5
C
165 166anti-parallel
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There are 5 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
121 126first strand
Strand 2
C
111 116anti-parallel
Strand 3
C
93 103anti-parallel
Strand 4
C
136 140anti-parallel
Strand 5
C
185 186anti-parallel
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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
154 157first strand
Strand 2
C
160 163anti-parallel
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There are 5 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
121 126first strand
Strand 2
D
111 116anti-parallel
Strand 3
D
93 103anti-parallel
Strand 4
D
136 140anti-parallel
Strand 5
D
165 166anti-parallel
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There are 5 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
121 126first strand
Strand 2
D
111 116anti-parallel
Strand 3
D
93 103anti-parallel
Strand 4
D
136 140anti-parallel
Strand 5
D
185 186anti-parallel
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There are 2 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
154 157first strand
Strand 2
D
160 163anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il