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


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 2QRA entry

There are 4 chains in PDB entry 2QRA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
D
GLU 3022GLU 3099
C
GLU 2020GLU 2099
B
GLU 1022GLU 1099
A
GLU 20GLU 99
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 13 helices in PDB entry 2QRA. Click on helix of interest for CSU analysis.
Helix
number
Helix
ID
Chain
ID
Initial
residue
Terminal
residue
Helix class
Helix 1
1
D
3025 3032Right-handed alpha
Helix 2
2
D
3043 3050Right-handed alpha
Helix 3
3
D
3078 3087Right-handed alpha
Helix 4
4
C
2025 2032Right-handed alpha
Helix 5
5
C
2043 2050Right-handed alpha
Helix 6
6
C
2078 2087Right-handed alpha
Helix 7
7
B
1025 1031Right-handed alpha
Helix 8
8
B
1043 1050Right-handed alpha
Helix 9
9
B
1078 1087Right-handed alpha
Helix 10
10
A
21 24Right-handed 310
Helix 11
11
A
25 31Right-handed alpha
Helix 12
12
A
43 50Right-handed alpha
Helix 13
13
A
78 87Right-handed alpha
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There are 4 sheets in PDB entry 2QRA. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 3 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
D
3052 3054first strand
Strand 2
D
3061 3063anti-parallel
Strand 3
D
3069 3070anti-parallel
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There are 3 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
C
2052 2054first strand
Strand 2
C
2061 2063anti-parallel
Strand 3
C
2069 2070anti-parallel
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There are 3 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
1052 1057first strand
Strand 2
B
1060 1063anti-parallel
Strand 3
B
1069 1070anti-parallel
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There are 3 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
52 54first strand
Strand 2
A
61 63anti-parallel
Strand 3
A
69 70anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il