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


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 2XQN entry

There are 3 chains in PDB entry 2XQN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 28SER 49
M
 ALA -2SER 113
T
 GLU 297SER 421
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 5 helices in PDB entry 2XQN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
M
27 29Right-handed 310
Helix 2
2
M
93 113Right-handed alpha
Helix 3
3
T
322 326Right-handed 310
Helix 4
4
T
350 357Right-handed alpha
Helix 5
5
T
413 419Right-handed alpha
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There are 7 sheets in PDB entry 2XQN. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, MA, MB, MC,

There are 3 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
29 30first strand
Strand 2
T
402 406anti-parallel
Strand 3
T
409 411anti-parallel
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There are 3 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
33 34first strand
Strand 2
T
374 377anti-parallel
Strand 3
T
380 383anti-parallel
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There are 3 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
39 40first strand
Strand 2
T
339 343anti-parallel
Strand 3
T
346 349anti-parallel
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There are 3 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
42 44first strand
Strand 2
T
313 316anti-parallel
Strand 3
T
319 321anti-parallel
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There are 2 strands in MA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
22 25first strand
Strand 2
M
3 17anti-parallel
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There are 5 strands in MB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
58 63first strand
Strand 2
M
45 52anti-parallel
Strand 3
M
33 40anti-parallel
Strand 4
M
3 17anti-parallel
Strand 5
M
22 25anti-parallel
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There are 6 strands in MC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
58 63first strand
Strand 2
M
45 52anti-parallel
Strand 3
M
33 40anti-parallel
Strand 4
M
3 17anti-parallel
Strand 5
M
86 91anti-parallel
Strand 6
M
77 81anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il