Analysis of interatomic Contacts of Structural Units in PDB entry:
2XH2


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 2XH2 entry

There are 4 chains in PDB entry 2XH2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 1HIS 438
B
 ALA 1HIS 438
C
 ALA 1HIS 438
D
 ALA 1HIS 438
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 82 helices in PDB entry 2XH2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
55 59Right-handed 310
Helix 2
2
A
61 71Right-handed alpha
Helix 3
3
A
71 78Right-handed alpha
Helix 4
4
A
85 98Right-handed alpha
Helix 5
5
A
106 125Right-handed alpha
Helix 6
6
A
128 138Right-handed alpha
Helix 7
7
A
157 160Right-handed 310
Helix 8
8
A
178 202Right-handed alpha
Helix 9
9
A
203 207Right-handed 310
Helix 10
10
A
220 235Right-handed alpha
Helix 11
11
A
248 251Right-handed 310
Helix 12
12
A
268 272Right-handed 310
Helix 13
13
A
274 289Right-handed alpha
Helix 14
14
A
302 314Right-handed alpha
Helix 15
15
A
326 336Right-handed alpha
Helix 16
16
A
345 350Right-handed alpha
Helix 17
17
A
351 365Right-handed alpha
Helix 18
18
A
381 390Right-handed alpha
Helix 19
19
A
402 420Right-handed alpha
Helix 20
20
A
427 430Right-handed 310
Helix 21
21
A
432 436Right-handed 310
Helix 22
22
B
55 59Right-handed 310
Helix 23
23
B
61 71Right-handed alpha
Helix 24
24
B
71 80Right-handed alpha
Helix 25
25
B
85 98Right-handed alpha
Helix 26
26
B
106 125Right-handed alpha
Helix 27
27
B
128 138Right-handed alpha
Helix 28
28
B
157 160Right-handed 310
Helix 29
29
B
178 202Right-handed alpha
Helix 30
30
B
203 207Right-handed 310
Helix 31
31
B
220 236Right-handed alpha
Helix 32
32
B
248 251Right-handed 310
Helix 33
33
B
268 272Right-handed 310
Helix 34
34
B
274 289Right-handed alpha
Helix 35
35
B
302 313Right-handed alpha
Helix 36
36
B
326 336Right-handed alpha
Helix 37
37
B
345 350Right-handed alpha
Helix 38
38
B
351 365Right-handed alpha
Helix 39
39
B
381 390Right-handed alpha
Helix 40
40
B
402 420Right-handed alpha
Helix 41
41
B
427 430Right-handed 310
Helix 42
42
B
432 436Right-handed 310
Helix 43
43
C
55 59Right-handed 310
Helix 44
44
C
61 71Right-handed alpha
Helix 45
45
C
71 78Right-handed alpha
Helix 46
46
C
85 98Right-handed alpha
Helix 47
47
C
106 125Right-handed alpha
Helix 48
48
C
128 138Right-handed alpha
Helix 49
49
C
157 160Right-handed 310
Helix 50
50
C
178 202Right-handed alpha
Helix 51
51
C
203 207Right-handed 310
Helix 52
52
C
220 236Right-handed alpha
Helix 53
53
C
248 251Right-handed 310
Helix 54
54
C
268 272Right-handed 310
Helix 55
55
C
274 289Right-handed alpha
Helix 56
56
C
302 314Right-handed alpha
Helix 57
57
C
326 336Right-handed alpha
Helix 58
58
C
345 350Right-handed alpha
Helix 59
59
C
351 365Right-handed alpha
Helix 60
60
C
381 390Right-handed alpha
Helix 61
61
C
402 420Right-handed alpha
Helix 62
62
C
427 430Right-handed 310
Helix 63
63
C
432 436Right-handed 310
Helix 64
64
D
55 59Right-handed 310
Helix 65
65
D
61 71Right-handed alpha
Helix 66
66
D
71 80Right-handed alpha
Helix 67
67
D
85 98Right-handed alpha
Helix 68
68
D
106 126Right-handed alpha
Helix 69
69
D
128 138Right-handed alpha
Helix 70
70
D
157 160Right-handed 310
Helix 71
71
D
178 202Right-handed alpha
Helix 72
72
D
203 207Right-handed 310
Helix 73
73
D
220 235Right-handed alpha
Helix 74
74
D
248 251Right-handed 310
Helix 75
75
D
274 289Right-handed alpha
Helix 76
76
D
302 314Right-handed alpha
Helix 77
77
D
326 336Right-handed alpha
Helix 78
78
D
345 350Right-handed alpha
Helix 79
79
D
351 365Right-handed alpha
Helix 80
80
D
381 390Right-handed alpha
Helix 81
81
D
402 420Right-handed alpha
Helix 82
82
D
427 436Right-handed 310
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There are 16 sheets in PDB entry 2XH2. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, BA, BB, BC, BD, CA, CB, CC, CD, A, DB, C, DD,

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
4 11first strand
Strand 2
A
17 25anti-parallel
Strand 3
A
28 33anti-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
144 146first strand
Strand 2
A
423 425parallel
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There are 9 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
148 149first strand
Strand 2
A
394 396parallel
Strand 3
A
368 372parallel
Strand 4
A
341 344parallel
Strand 5
A
316 319parallel
Strand 6
A
291 295parallel
Strand 7
A
242 246parallel
Strand 8
A
168 172anti-parallel
Strand 9
A
151 155anti-parallel
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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
253 254first strand
Strand 2
A
257 258anti-parallel
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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
4 11first strand
Strand 2
B
17 25anti-parallel
Strand 3
B
28 33anti-parallel
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There are 2 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
144 146first strand
Strand 2
B
423 425parallel
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There are 9 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
148 149first strand
Strand 2
B
394 396parallel
Strand 3
B
368 372parallel
Strand 4
B
341 344parallel
Strand 5
B
316 319parallel
Strand 6
B
291 295parallel
Strand 7
B
242 246parallel
Strand 8
B
168 172anti-parallel
Strand 9
B
151 155anti-parallel
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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
253 254first strand
Strand 2
B
257 258anti-parallel
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There are 3 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
4 11first strand
Strand 2
C
17 25anti-parallel
Strand 3
C
28 33anti-parallel
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There are 2 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
144 146first strand
Strand 2
C
423 425parallel
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There are 9 strands in CC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
148 149first strand
Strand 2
C
394 396parallel
Strand 3
C
368 372parallel
Strand 4
C
341 344parallel
Strand 5
C
316 319parallel
Strand 6
C
291 295parallel
Strand 7
C
242 246parallel
Strand 8
C
168 172anti-parallel
Strand 9
C
151 155anti-parallel
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There are 2 strands in CD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
253 254first strand
Strand 2
C
257 258anti-parallel
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There are 3 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
4 11first strand
Strand 2
D
17 25anti-parallel
Strand 3
D
28 33anti-parallel
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There are 2 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
144 146first strand
Strand 2
D
423 425parallel
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There are 9 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
148 149first strand
Strand 2
D
394 396parallel
Strand 3
D
368 372parallel
Strand 4
D
341 344parallel
Strand 5
D
316 319parallel
Strand 6
D
291 295parallel
Strand 7
D
242 246parallel
Strand 8
D
168 172anti-parallel
Strand 9
D
151 155anti-parallel
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There are 2 strands in DD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
253 254first strand
Strand 2
D
257 258anti-parallel
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