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


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 3REF entry

There are 2 chains in PDB entry 3REF (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
B
 GLY 12LYS 191
A
 GLY 12PHE 184
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 15 helices in PDB entry 3REF. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
B
32 43Right-handed alpha
Helix 2
2
B
78 82Right-handed 310
Helix 3
3
B
84 90Right-handed 310
Helix 4
4
B
103 113Right-handed alpha
Helix 5
5
B
113 122Right-handed alpha
Helix 6
6
B
133 137Right-handed 310
Helix 7
7
B
145 157Right-handed alpha
Helix 8
8
B
171 182Right-handed alpha
Helix 9
9
A
32 43Right-handed alpha
Helix 10
10
A
79 89Right-handed alpha
Helix 11
11
A
103 113Right-handed alpha
Helix 12
12
A
113 122Right-handed alpha
Helix 13
13
A
133 137Right-handed 310
Helix 14
14
A
145 157Right-handed alpha
Helix 15
15
A
171 184Right-handed alpha
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There are 4 sheets in PDB entry 3REF. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 4 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
13 15first strand
Strand 2
B
18 26anti-parallel
Strand 3
B
66 73parallel
Strand 4
B
57 63anti-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
B
13 15first strand
Strand 2
B
18 26anti-parallel
Strand 3
B
94 100parallel
Strand 4
B
126 132parallel
Strand 5
B
161 163parallel
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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
A
13 14first strand
Strand 2
A
19 26anti-parallel
Strand 3
A
67 73parallel
Strand 4
A
57 62anti-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
13 14first strand
Strand 2
A
19 26anti-parallel
Strand 3
A
94 100parallel
Strand 4
A
126 132parallel
Strand 5
A
161 163parallel
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