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


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 2XHN entry

There are 2 chains in PDB entry 2XHN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1GLN 508
B
 ALA 1SER 153
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 20 helices in PDB entry 2XHN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
123 128Right-handed 310
Helix 2
2
A
149 154Right-handed 310
Helix 3
3
A
157 160Right-handed 310
Helix 4
4
A
240 246Right-handed 310
Helix 5
5
A
253 257Right-handed 310
Helix 6
6
A
357 362Right-handed alpha
Helix 7
7
A
385 389Right-handed 310
Helix 8
8
A
408 412Right-handed 310
Helix 9
9
A
452 456Right-handed 310
Helix 10
10
A
492 496Right-handed 310
Helix 11
11
B
123 128Right-handed 310
Helix 12
12
B
149 154Right-handed 310
Helix 13
13
B
157 160Right-handed 310
Helix 14
14
B
240 246Right-handed 310
Helix 15
15
B
253 257Right-handed 310
Helix 16
16
B
357 362Right-handed alpha
Helix 17
17
B
385 389Right-handed 310
Helix 18
18
B
408 412Right-handed 310
Helix 19
19
B
452 456Right-handed 310
Helix 20
20
B
492 496Right-handed 310
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There are 26 sheets in PDB entry 2XHN. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM, BA, BB, BC, BD, BE, BF, BG, BH, BI, BJ, BK, BL, BM,

There are 5 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
3 6first strand
Strand 2
A
10 14anti-parallel
Strand 3
A
21 26anti-parallel
Strand 4
A
32 37anti-parallel
Strand 5
A
40 41anti-parallel
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There are 4 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
50 51first strand
Strand 2
A
106 112anti-parallel
Strand 3
A
200 207anti-parallel
Strand 4
A
193 195anti-parallel
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There are 8 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
59 65first strand
Strand 2
A
68 74anti-parallel
Strand 3
A
78 85anti-parallel
Strand 4
A
90 97anti-parallel
Strand 5
A
219 229anti-parallel
Strand 6
A
171 175anti-parallel
Strand 7
A
162 166anti-parallel
Strand 8
A
119 121anti-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
133 136first strand
Strand 2
A
140 143anti-parallel
Strand 3
A
146 148anti-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
293 295first strand
Strand 2
A
259 265anti-parallel
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There are 2 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
327 329first strand
Strand 2
A
259 265parallel
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There are 2 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
332 333first strand
Strand 2
A
259 265parallel
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There are 4 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
283 287first strand
Strand 2
A
273 278anti-parallel
Strand 3
A
302 310anti-parallel
Strand 4
A
313 322anti-parallel
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There are 2 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
340 346first strand
Strand 2
A
498 508anti-parallel
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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
392 394first strand
Strand 2
A
498 508parallel
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There are 4 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
464 469first strand
Strand 2
A
415 425anti-parallel
Strand 3
A
498 508anti-parallel
Strand 4
A
392 394parallel
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There are 4 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
464 469first strand
Strand 2
A
415 425anti-parallel
Strand 3
A
498 508anti-parallel
Strand 4
A
340 346anti-parallel
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There are 5 strands in AM sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
378 380first strand
Strand 2
A
401 407parallel
Strand 3
A
477 486anti-parallel
Strand 4
A
429 434anti-parallel
Strand 5
A
437 438anti-parallel
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There are 5 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
3 6first strand
Strand 2
B
10 14anti-parallel
Strand 3
B
21 26anti-parallel
Strand 4
B
32 37anti-parallel
Strand 5
B
40 41anti-parallel
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There are 4 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
50 51first strand
Strand 2
B
106 112anti-parallel
Strand 3
B
200 207anti-parallel
Strand 4
B
193 195anti-parallel
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There are 8 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
59 65first strand
Strand 2
B
68 74anti-parallel
Strand 3
B
78 85anti-parallel
Strand 4
B
90 97anti-parallel
Strand 5
B
219 229anti-parallel
Strand 6
B
171 175anti-parallel
Strand 7
B
162 166anti-parallel
Strand 8
B
119 121anti-parallel
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There are 3 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
133 136first strand
Strand 2
B
140 143anti-parallel
Strand 3
B
146 148anti-parallel
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There are 2 strands in BE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
293 295first strand
Strand 2
B
259 265anti-parallel
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There are 2 strands in BF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
327 329first strand
Strand 2
B
259 265parallel
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There are 2 strands in BG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
332 333first strand
Strand 2
B
259 265parallel
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There are 4 strands in BH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
283 287first strand
Strand 2
B
273 278anti-parallel
Strand 3
B
302 310anti-parallel
Strand 4
B
313 322anti-parallel
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There are 2 strands in BI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
341 346first strand
Strand 2
B
498 507anti-parallel
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There are 2 strands in BJ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
392 394first strand
Strand 2
B
498 507parallel
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There are 4 strands in BK sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
464 469first strand
Strand 2
B
415 425anti-parallel
Strand 3
B
498 507anti-parallel
Strand 4
B
392 394parallel
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There are 4 strands in BL sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
464 469first strand
Strand 2
B
415 425anti-parallel
Strand 3
B
498 507anti-parallel
Strand 4
B
341 346anti-parallel
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There are 5 strands in BM sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
378 380first strand
Strand 2
B
401 407parallel
Strand 3
B
477 486anti-parallel
Strand 4
B
429 434anti-parallel
Strand 5
B
437 438anti-parallel
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