Analysis of interatomic Contacts of Structural Units in PDB entry:
2A91


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 2A91 entry

There is 1 chain in PDB entry 2A91 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 1ASP 510
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 15 helices in PDB entry 2A91. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
17 30Right-handed alpha
Helix 2
2
A
50 54Right-handed 310
Helix 3
3
A
86 89Right-handed 310
Helix 4
4
A
147 152Right-handed alpha
Helix 5
5
A
210 214Right-handed 310
Helix 6
6
A
326 332Right-handed 310
Helix 7
7
A
339 344Right-handed 310
Helix 8
8
A
356 362Right-handed alpha
Helix 9
9
A
363 367Right-handed 310
Helix 10
10
A
374 382Right-handed 310
Helix 11
11
A
401 405Right-handed 310
Helix 12
12
A
415 418Right-handed 310
Helix 13
13
A
460 465Right-handed alpha
Helix 14
14
A
479 486Right-handed alpha
Helix 15
15
A
503 507Right-handed 310
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There are 10 sheets in PDB entry 2A91. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J,

There are 5 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
4 6first strand
Strand 2
A
34 36parallel
Strand 3
A
58 59parallel
Strand 4
A
80 81parallel
Strand 5
A
126 127parallel
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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
39 42first strand
Strand 2
A
63 66parallel
Strand 3
A
91 96parallel
Strand 4
A
131 135parallel
Strand 5
A
161 163parallel
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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
219 223first strand
Strand 2
A
231 234anti-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
A
237 239first strand
Strand 2
A
242 244anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
251 253first strand
Strand 2
A
260 262anti-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
A
268 270first strand
Strand 2
A
273 275anti-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
A
283 284first strand
Strand 2
A
290 291anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
299 302first strand
Strand 2
A
308 311anti-parallel
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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
321 322first strand
Strand 2
A
348 350parallel
Strand 3
A
384 385parallel
Strand 4
A
409 410parallel
Strand 5
A
439 440parallel
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There are 5 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
353 355first strand
Strand 2
A
389 391parallel
Strand 3
A
420 425parallel
Strand 4
A
444 448parallel
Strand 5
A
472 475parallel
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