Analysis of interatomic Contacts of Structural Units in PDB entry:
2XN2


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 2XN2 entry

There are 3 chains in PDB entry 2XN2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 4PHE 246
A
 GLY 248LEU 435
A
 HIS 437ASP 620
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 19 helices in PDB entry 2XN2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
30 32Right-handed 310
Helix 2
2
A
130 132Right-handed 310
Helix 3
3
A
307 323Right-handed alpha
Helix 4
4
A
339 344Right-handed alpha
Helix 5
5
A
348 362Right-handed alpha
Helix 6
6
A
397 408Right-handed alpha
Helix 7
7
A
425 431Right-handed alpha
Helix 8
8
A
432 434Right-handed 310
Helix 9
9
A
456 472Right-handed alpha
Helix 10
10
A
496 501Right-handed 310
Helix 11
11
A
502 522Right-handed alpha
Helix 12
12
A
538 543Right-handed alpha
Helix 13
13
A
555 567Right-handed alpha
Helix 14
14
A
571 573Right-handed 310
Helix 15
15
A
592 601Right-handed alpha
Helix 16
16
A
610 614Right-handed 310
Helix 17
17
A
615 639Right-handed alpha
Helix 18
18
A
646 649Right-handed 310
Helix 19
19
A
704 710Right-handed alpha
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There are 12 sheets in PDB entry 2XN2. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL,

There are 4 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
6 9first strand
Strand 2
A
14 18anti-parallel
Strand 3
A
22 29anti-parallel
Strand 4
A
33 41anti-parallel
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There are 2 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
93 96first strand
Strand 2
A
177 189anti-parallel
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There are 5 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
217 222first strand
Strand 2
A
261 267anti-parallel
Strand 3
A
273 279anti-parallel
Strand 4
A
177 189anti-parallel
Strand 5
A
286 288parallel
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There are 5 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
217 222first strand
Strand 2
A
261 267anti-parallel
Strand 3
A
273 279anti-parallel
Strand 4
A
177 189anti-parallel
Strand 5
A
93 96anti-parallel
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There are 2 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
286 288first strand
Strand 2
A
177 189parallel
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There are 5 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
107 115first strand
Strand 2
A
134 143anti-parallel
Strand 3
A
148 157anti-parallel
Strand 4
A
162 171anti-parallel
Strand 5
A
293 295anti-parallel
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There are 9 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
107 115first strand
Strand 2
A
134 143anti-parallel
Strand 3
A
148 157anti-parallel
Strand 4
A
162 171anti-parallel
Strand 5
A
299 304anti-parallel
Strand 6
A
250 255anti-parallel
Strand 7
A
235 239anti-parallel
Strand 8
A
195 198anti-parallel
Strand 9
A
210 213anti-parallel
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There are 2 strands in AH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
293 295first strand
Strand 2
A
162 171anti-parallel
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There are 9 strands in AI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
336 338first strand
Strand 2
A
366 369parallel
Strand 3
A
411 416parallel
Strand 4
A
478 481parallel
Strand 5
A
526 529parallel
Strand 6
A
547 549parallel
Strand 7
A
575 580parallel
Strand 8
A
604 608parallel
Strand 9
A
336 338parallel
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There are 2 strands in AJ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
420 421first strand
Strand 2
A
450 451anti-parallel
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There are 6 strands in AK sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
640 645first strand
Strand 2
A
651 657anti-parallel
Strand 3
A
663 670anti-parallel
Strand 4
A
722 730anti-parallel
Strand 5
A
692 695anti-parallel
Strand 6
A
701 703anti-parallel
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There are 2 strands in AL sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
681 682first strand
Strand 2
A
712 713anti-parallel
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