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


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 2QIL entry

There are 3 chains in PDB entry 2QIL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 1ASN 194
B
 SER 1ASN 194
C
 SER 1ASN 194
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 2QIL. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
4 14Right-handed alpha
Helix 2
2
A
126 140Right-handed alpha
Helix 3
3
A
174 176Right-handed 310
Helix 4
4
A
183 185Right-handed 310
Helix 5
5
B
4 14Right-handed alpha
Helix 6
6
B
126 140Right-handed alpha
Helix 7
7
B
174 176Right-handed 310
Helix 8
8
B
183 185Right-handed 310
Helix 9
9
C
4 14Right-handed alpha
Helix 10
10
C
126 140Right-handed alpha
Helix 11
11
C
174 176Right-handed 310
Helix 12
12
C
183 185Right-handed 310
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There are 9 sheets in PDB entry 2QIL. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

There are 2 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
18 20first strand
Strand 2
A
64 66anti-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
67 70first strand
Strand 2
A
81 85anti-parallel
Strand 3
A
42 46parallel
Strand 4
A
32 36anti-parallel
Strand 5
A
24 29anti-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
109 111first strand
Strand 2
A
102 106anti-parallel
Strand 3
A
186 194parallel
Strand 4
A
151 158anti-parallel
Strand 5
A
163 167anti-parallel
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There are 2 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
18 20first strand
Strand 2
B
64 66anti-parallel
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There are 5 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
67 70first strand
Strand 2
B
81 85anti-parallel
Strand 3
B
42 46parallel
Strand 4
B
32 36anti-parallel
Strand 5
B
24 29anti-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
B
102 106first strand
Strand 2
B
186 194parallel
Strand 3
B
151 158anti-parallel
Strand 4
B
163 167anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
18 20first strand
Strand 2
C
64 66anti-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
C
67 70first strand
Strand 2
C
81 85anti-parallel
Strand 3
C
42 46parallel
Strand 4
C
32 36anti-parallel
Strand 5
C
24 29anti-parallel
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There are 4 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
102 106first strand
Strand 2
C
186 194parallel
Strand 3
C
151 158anti-parallel
Strand 4
C
163 167anti-parallel
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