Analysis of interatomic Contacts of Structural Units in PDB entry:
2X2Y


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 2X2Y entry

There are 2 chains in PDB entry 2X2Y (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 4ALA 465
B
 GLU 4ALA 465
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 25 helices in PDB entry 2X2Y. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 27Right-handed alpha
Helix 2
2
A
54 61Right-handed alpha
Helix 3
3
A
86 105Right-handed alpha
Helix 4
4
A
129 135Right-handed alpha
Helix 5
5
A
140 158Right-handed alpha
Helix 6
6
A
184 188Right-handed 310
Helix 7
7
A
189 207Right-handed alpha
Helix 8
8
A
226 231Right-handed alpha
Helix 9
9
A
253 275Right-handed alpha
Helix 10
10
A
298 309Right-handed alpha
Helix 11
11
A
339 349Right-handed alpha
Helix 12
12
A
355 358Right-handed 310
Helix 13
13
B
14 27Right-handed alpha
Helix 14
14
B
54 61Right-handed alpha
Helix 15
15
B
86 105Right-handed alpha
Helix 16
16
B
129 135Right-handed alpha
Helix 17
17
B
140 158Right-handed alpha
Helix 18
18
B
184 188Right-handed 310
Helix 19
19
B
189 207Right-handed alpha
Helix 20
20
B
226 231Right-handed alpha
Helix 21
21
B
232 234Right-handed 310
Helix 22
22
B
253 275Right-handed alpha
Helix 23
23
B
298 309Right-handed alpha
Helix 24
24
B
339 349Right-handed alpha
Helix 25
25
B
355 358Right-handed 310
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There are 14 sheets in PDB entry 2X2Y. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, BA, BB, BC, BD, BE, BF, BG,

There are 2 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
5 6first strand
Strand 2
A
367 368parallel
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There are 8 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
277 278first strand
Strand 2
A
242 243parallel
Strand 3
A
213 217parallel
Strand 4
A
168 171parallel
Strand 5
A
107 111parallel
Strand 6
A
66 70parallel
Strand 7
A
32 37parallel
Strand 8
A
318 321parallel
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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
277 278first strand
Strand 2
A
242 243parallel
Strand 3
A
213 217parallel
Strand 4
A
168 171parallel
Strand 5
A
107 111parallel
Strand 6
A
66 70parallel
Strand 7
A
32 37parallel
Strand 8
A
352 353parallel
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There are 2 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
318 321first strand
Strand 2
A
32 37parallel
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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
246 249first strand
Strand 2
A
282 285parallel
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There are 4 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
374 379first strand
Strand 2
A
391 398anti-parallel
Strand 3
A
429 433anti-parallel
Strand 4
A
422 423anti-parallel
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There are 4 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
415 420first strand
Strand 2
A
402 410anti-parallel
Strand 3
A
445 453anti-parallel
Strand 4
A
456 464anti-parallel
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There are 2 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
5 6first strand
Strand 2
B
367 368parallel
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There are 8 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
277 278first strand
Strand 2
B
242 243parallel
Strand 3
B
213 217parallel
Strand 4
B
168 171parallel
Strand 5
B
107 111parallel
Strand 6
B
66 70parallel
Strand 7
B
32 37parallel
Strand 8
B
318 321parallel
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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
277 278first strand
Strand 2
B
242 243parallel
Strand 3
B
213 217parallel
Strand 4
B
168 171parallel
Strand 5
B
107 111parallel
Strand 6
B
66 70parallel
Strand 7
B
32 37parallel
Strand 8
B
352 353parallel
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There are 2 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
318 321first strand
Strand 2
B
32 37parallel
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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
246 249first strand
Strand 2
B
282 285parallel
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There are 4 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
374 379first strand
Strand 2
B
391 398anti-parallel
Strand 3
B
429 433anti-parallel
Strand 4
B
422 423anti-parallel
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There are 4 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
415 420first strand
Strand 2
B
402 410anti-parallel
Strand 3
B
446 453anti-parallel
Strand 4
B
456 463anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il