Analysis of interatomic Contacts of Structural Units in PDB entry:
4QI3


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 4QI3 entry

There are 2 chains in PDB entry 4QI3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 2THR 208
B
 ASN 2THR 208
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 10 helices in PDB entry 4QI3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
145 148Right-handed 310
Helix 2
2
A
167 171Right-handed 310
Helix 3
3
A
188 192Right-handed 310
Helix 4
4
A
193 194Right-handed 310
Helix 5
5
A
195 201Right-handed alpha
Helix 6
6
B
60 63Right-handed 310
Helix 7
7
B
145 148Right-handed 310
Helix 8
8
B
167 171Right-handed 310
Helix 9
9
B
188 192Right-handed 310
Helix 10
10
B
195 201Right-handed alpha
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There are 6 sheets in PDB entry 4QI3. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
6 9first strand
Strand 2
A
16 22anti-parallel
Strand 3
A
33 38anti-parallel
Strand 4
A
51 58anti-parallel
Strand 5
A
122 130anti-parallel
Strand 6
A
110 118anti-parallel
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There are 6 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
103 104first strand
Strand 2
A
88 95anti-parallel
Strand 3
A
79 85anti-parallel
Strand 4
A
65 69anti-parallel
Strand 5
A
150 158anti-parallel
Strand 6
A
180 186anti-parallel
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There are 2 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
134 137first strand
Strand 2
A
140 143anti-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
6 9first strand
Strand 2
B
16 22anti-parallel
Strand 3
B
33 38anti-parallel
Strand 4
B
51 58anti-parallel
Strand 5
B
122 130anti-parallel
Strand 6
B
110 118anti-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
B
103 104first strand
Strand 2
B
88 95anti-parallel
Strand 3
B
79 85anti-parallel
Strand 4
B
65 69anti-parallel
Strand 5
B
150 158anti-parallel
Strand 6
B
180 186anti-parallel
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There are 2 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
134 137first strand
Strand 2
B
140 143anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il