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


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 3QYN entry

There are 6 chains in PDB entry 3QYN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 126ILE 320
B
 MET 124LYS 322
C
 ALA 125ILE 320
D
 MET 124ILE 320
E
 A 1 T 22
F
 A 1 T 22
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 9 helices in PDB entry 3QYN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
133 137Right-handed 310
Helix 2
2
A
205 211Right-handed alpha
Helix 3
3
A
308 317Right-handed alpha
Helix 4
4
B
205 211Right-handed alpha
Helix 5
5
B
308 321Right-handed alpha
Helix 6
6
C
205 211Right-handed alpha
Helix 7
7
C
308 320Right-handed alpha
Helix 8
8
D
205 211Right-handed alpha
Helix 9
9
D
308 320Right-handed alpha
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There are 8 sheets in PDB entry 3QYN. 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
139 141first strand
Strand 2
A
170 175anti-parallel
Strand 3
A
261 267anti-parallel
Strand 4
A
226 229anti-parallel
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There are 7 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
153 156first strand
Strand 2
A
161 164anti-parallel
Strand 3
A
295 304parallel
Strand 4
A
282 289anti-parallel
Strand 5
A
185 192anti-parallel
Strand 6
A
245 250anti-parallel
Strand 7
A
235 238anti-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
B
139 141first strand
Strand 2
B
169 175anti-parallel
Strand 3
B
261 267anti-parallel
Strand 4
B
226 228anti-parallel
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There are 7 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
153 156first strand
Strand 2
B
161 164anti-parallel
Strand 3
B
295 305parallel
Strand 4
B
282 289anti-parallel
Strand 5
B
185 192anti-parallel
Strand 6
B
245 250anti-parallel
Strand 7
B
235 238anti-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
C
139 141first strand
Strand 2
C
169 175anti-parallel
Strand 3
C
261 267anti-parallel
Strand 4
C
226 228anti-parallel
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There are 7 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
153 156first strand
Strand 2
C
161 164anti-parallel
Strand 3
C
295 305parallel
Strand 4
C
282 289anti-parallel
Strand 5
C
185 192anti-parallel
Strand 6
C
245 250anti-parallel
Strand 7
C
235 238anti-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
D
139 141first strand
Strand 2
D
169 175anti-parallel
Strand 3
D
261 267anti-parallel
Strand 4
D
226 228anti-parallel
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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
153 156first strand
Strand 2
D
161 164anti-parallel
Strand 3
D
295 305parallel
Strand 4
D
282 289anti-parallel
Strand 5
D
185 192anti-parallel
Strand 6
D
245 250anti-parallel
Strand 7
D
235 238anti-parallel
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