Analysis of interatomic Contacts of Structural Units in PDB entry:
2XR1


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 2XR1 entry

There are 2 chains in PDB entry 2XR1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 3LEU 637
B
 MET 1LEU 637
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 49 helices in PDB entry 2XR1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
3 18Right-handed alpha
Helix 2
2
A
40 47Right-handed alpha
Helix 3
3
A
48 59Right-handed alpha
Helix 4
4
A
68 71Right-handed 310
Helix 5
5
A
73 85Right-handed alpha
Helix 6
6
A
86 89Right-handed 310
Helix 7
7
A
109 115Right-handed alpha
Helix 8
8
A
118 129Right-handed alpha
Helix 9
9
A
142 155Right-handed alpha
Helix 10
10
A
155 171Right-handed alpha
Helix 11
11
A
231 235Right-handed 310
Helix 12
12
A
244 249Right-handed alpha
Helix 13
13
A
250 257Right-handed alpha
Helix 14
14
A
266 288Right-handed alpha
Helix 15
15
A
294 304Right-handed alpha
Helix 16
16
A
389 401Right-handed alpha
Helix 17
17
A
419 435Right-handed alpha
Helix 18
18
A
447 458Right-handed alpha
Helix 19
19
A
459 462Right-handed 310
Helix 20
20
A
463 470Right-handed alpha
Helix 21
21
A
489 495Right-handed alpha
Helix 22
22
A
514 524Right-handed alpha
Helix 23
23
A
541 548Right-handed alpha
Helix 24
24
A
582 592Right-handed alpha
Helix 25
25
A
606 622Right-handed alpha
Helix 26
26
B
3 16Right-handed alpha
Helix 27
27
B
40 47Right-handed alpha
Helix 28
28
B
48 59Right-handed alpha
Helix 29
29
B
74 85Right-handed alpha
Helix 30
30
B
109 114Right-handed alpha
Helix 31
31
B
118 129Right-handed alpha
Helix 32
32
B
142 155Right-handed alpha
Helix 33
33
B
155 171Right-handed alpha
Helix 34
34
B
231 235Right-handed 310
Helix 35
35
B
244 249Right-handed alpha
Helix 36
36
B
250 257Right-handed alpha
Helix 37
37
B
266 288Right-handed alpha
Helix 38
38
B
295 304Right-handed alpha
Helix 39
39
B
389 407Right-handed alpha
Helix 40
40
B
419 434Right-handed alpha
Helix 41
41
B
447 458Right-handed alpha
Helix 42
42
B
459 462Right-handed 310
Helix 43
43
B
463 470Right-handed alpha
Helix 44
44
B
476 480Right-handed 310
Helix 45
45
B
488 498Right-handed alpha
Helix 46
46
B
514 524Right-handed alpha
Helix 47
47
B
541 548Right-handed alpha
Helix 48
48
B
582 592Right-handed alpha
Helix 49
49
B
606 622Right-handed alpha
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There are 11 sheets in PDB entry 2XR1. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB, BC, BD, BE, BF,

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
27 30first strand
Strand 2
A
33 38anti-parallel
Strand 3
A
62 66parallel
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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
91 96first strand
Strand 2
A
102 107anti-parallel
Strand 3
A
131 136parallel
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There are 7 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
305 307first strand
Strand 2
A
263 265parallel
Strand 3
A
237 239parallel
Strand 4
A
205 208parallel
Strand 5
A
196 200anti-parallel
Strand 6
A
182 187anti-parallel
Strand 7
A
633 635anti-parallel
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There are 7 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
314 317first strand
Strand 2
A
320 326anti-parallel
Strand 3
A
334 340anti-parallel
Strand 4
A
345 349anti-parallel
Strand 5
A
373 377parallel
Strand 6
A
599 603parallel
Strand 7
A
624 627parallel
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There are 6 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
483 486first strand
Strand 2
A
442 445parallel
Strand 3
A
503 506parallel
Strand 4
A
411 414parallel
Strand 5
A
530 533parallel
Strand 6
A
570 573parallel
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There are 3 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
27 30first strand
Strand 2
B
33 38anti-parallel
Strand 3
B
62 66parallel
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There are 3 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
91 96first strand
Strand 2
B
102 107anti-parallel
Strand 3
B
131 136parallel
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There are 7 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
305 307first strand
Strand 2
B
263 265parallel
Strand 3
B
237 239parallel
Strand 4
B
205 208parallel
Strand 5
B
196 200anti-parallel
Strand 6
B
182 187anti-parallel
Strand 7
B
633 635anti-parallel
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There are 7 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
314 317first strand
Strand 2
B
320 326anti-parallel
Strand 3
B
334 340anti-parallel
Strand 4
B
345 349anti-parallel
Strand 5
B
373 377parallel
Strand 6
B
599 603parallel
Strand 7
B
624 627parallel
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There are 6 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
483 486first strand
Strand 2
B
442 445parallel
Strand 3
B
503 506parallel
Strand 4
B
411 414parallel
Strand 5
B
530 533parallel
Strand 6
B
570 573parallel
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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
552 553first strand
Strand 2
B
565 566anti-parallel
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