Analysis of interatomic Contacts of Structural Units in PDB entry:
3BX4


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 3BX4 entry

There are 4 chains in PDB entry 3BX4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 4PRO 135
B
 CYS 2ALA 123
C
 GLU 3TYR 136
D
 ASP 1ALA 123
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 12 helices in PDB entry 3BX4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 35Right-handed alpha
Helix 2
2
A
47 60Right-handed alpha
Helix 3
3
A
61 65Right-handed 310
Helix 4
4
A
112 114Right-handed 310
Helix 5
5
B
22 33Right-handed alpha
Helix 6
6
B
44 56Right-handed alpha
Helix 7
7
C
25 35Right-handed alpha
Helix 8
8
C
47 60Right-handed alpha
Helix 9
9
C
61 65Right-handed 310
Helix 10
10
C
112 114Right-handed 310
Helix 11
11
D
22 32Right-handed alpha
Helix 12
12
D
44 60Right-handed alpha
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There are 8 sheets in PDB entry 3BX4. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 6 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
10 12first strand
Strand 2
A
15 24anti-parallel
Strand 3
A
127 133anti-parallel
Strand 4
A
69 76parallel
Strand 5
A
106 110anti-parallel
Strand 6
A
118 121anti-parallel
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There are 4 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
41 42first strand
Strand 2
A
127 133anti-parallel
Strand 3
A
69 76parallel
Strand 4
B
77 79anti-parallel
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There are 4 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
7 9first strand
Strand 2
B
12 21anti-parallel
Strand 3
B
115 122anti-parallel
Strand 4
B
38 39anti-parallel
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There are 6 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
7 9first strand
Strand 2
B
12 21anti-parallel
Strand 3
B
115 122anti-parallel
Strand 4
B
63 65parallel
Strand 5
B
95 100anti-parallel
Strand 6
B
106 110anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
10 12first strand
Strand 2
C
15 24anti-parallel
Strand 3
C
127 133anti-parallel
Strand 4
C
69 76parallel
Strand 5
C
106 110anti-parallel
Strand 6
C
118 121anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
41 42first strand
Strand 2
C
127 133anti-parallel
Strand 3
C
69 76parallel
Strand 4
D
77 79anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
7 9first strand
Strand 2
D
12 21anti-parallel
Strand 3
D
115 122anti-parallel
Strand 4
D
38 39anti-parallel
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There are 6 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
7 9first strand
Strand 2
D
12 21anti-parallel
Strand 3
D
115 122anti-parallel
Strand 4
D
63 69parallel
Strand 5
D
95 100anti-parallel
Strand 6
D
103 110anti-parallel
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