Analysis of interatomic Contacts of Structural Units in PDB entry:
2QBX


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 2QBX entry

There are 4 chains in PDB entry 2QBX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 28ARG 203
B
 GLU 28ARG 203
D
 SER 1GLN 11
P
 SER 1LEU 9
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 4 helices in PDB entry 2QBX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
35 37Right-handed 310
Helix 2
2
A
104 108Right-handed 310
Helix 3
3
B
35 37Right-handed 310
Helix 4
4
B
104 108Right-handed 310
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There are 8 sheets in PDB entry 2QBX. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
A
29 33first strand
Strand 2
A
193 202anti-parallel
Strand 3
A
63 69anti-parallel
Strand 4
A
52 57anti-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
29 33first strand
Strand 2
A
193 202anti-parallel
Strand 3
A
94 102anti-parallel
Strand 4
A
163 174anti-parallel
Strand 5
A
156 160anti-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
A
44 46first strand
Strand 2
A
79 82anti-parallel
Strand 3
A
181 188anti-parallel
Strand 4
A
86 87anti-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
44 46first strand
Strand 2
A
79 82anti-parallel
Strand 3
A
181 188anti-parallel
Strand 4
A
119 126anti-parallel
Strand 5
A
144 149anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
29 33first strand
Strand 2
B
192 202anti-parallel
Strand 3
B
63 70anti-parallel
Strand 4
B
52 57anti-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
29 33first strand
Strand 2
B
192 202anti-parallel
Strand 3
B
94 102anti-parallel
Strand 4
B
164 174anti-parallel
Strand 5
B
156 159anti-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
B
44 46first strand
Strand 2
B
79 82anti-parallel
Strand 3
B
181 188anti-parallel
Strand 4
B
86 87anti-parallel
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There are 5 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
44 46first strand
Strand 2
B
79 82anti-parallel
Strand 3
B
181 188anti-parallel
Strand 4
B
118 126anti-parallel
Strand 5
B
144 150anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il