Analysis of interatomic Contacts of Structural Units in PDB entry:
1XDQ


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 1XDQ entry

There are 5 chains in PDB entry 1XDQ (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 19ASP 285
B
 ALA 19LEU 286
C
 LYS 18LEU 286
D
 ALA 19ASP 285
E
 ALA 19ASP 285
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 79 helices in PDB entry 1XDQ. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 29Right-handed 310
Helix 2
2
A
36 41Right-handed alpha
Helix 3
3
A
46 50Right-handed 310
Helix 4
4
A
54 60Right-handed alpha
Helix 5
5
A
61 63Right-handed 310
Helix 6
6
A
85 90Right-handed alpha
Helix 7
7
A
117 125Right-handed alpha
Helix 8
8
A
144 148Right-handed 310
Helix 9
9
A
149 154Right-handed alpha
Helix 10
10
A
166 170Right-handed alpha
Helix 11
11
A
186 190Right-handed 310
Helix 12
12
A
201 205Right-handed 310
Helix 13
13
A
221 227Right-handed alpha
Helix 14
14
A
268 272Right-handed 310
Helix 15
15
A
273 278Right-handed alpha
Helix 16
16
A
279 281Right-handed 310
Helix 17
17
B
25 29Right-handed 310
Helix 18
18
B
36 41Right-handed alpha
Helix 19
19
B
46 50Right-handed 310
Helix 20
20
B
54 60Right-handed alpha
Helix 21
21
B
61 63Right-handed 310
Helix 22
22
B
84 90Right-handed alpha
Helix 23
23
B
117 125Right-handed alpha
Helix 24
24
B
144 148Right-handed 310
Helix 25
25
B
149 154Right-handed alpha
Helix 26
26
B
166 170Right-handed alpha
Helix 27
27
B
186 190Right-handed 310
Helix 28
28
B
201 205Right-handed 310
Helix 29
29
B
221 227Right-handed alpha
Helix 30
30
B
268 272Right-handed 310
Helix 31
31
B
273 278Right-handed alpha
Helix 32
32
B
279 281Right-handed 310
Helix 33
33
C
25 29Right-handed 310
Helix 34
34
C
36 41Right-handed alpha
Helix 35
35
C
46 50Right-handed 310
Helix 36
36
C
54 60Right-handed alpha
Helix 37
37
C
61 63Right-handed 310
Helix 38
38
C
84 90Right-handed alpha
Helix 39
39
C
117 125Right-handed alpha
Helix 40
40
C
144 148Right-handed 310
Helix 41
41
C
149 154Right-handed alpha
Helix 42
42
C
166 170Right-handed alpha
Helix 43
43
C
186 190Right-handed 310
Helix 44
44
C
201 205Right-handed 310
Helix 45
45
C
221 227Right-handed alpha
Helix 46
46
C
268 272Right-handed 310
Helix 47
47
C
273 278Right-handed alpha
Helix 48
48
C
279 282Right-handed 310
Helix 49
49
D
25 29Right-handed 310
Helix 50
50
D
36 41Right-handed alpha
Helix 51
51
D
46 50Right-handed 310
Helix 52
52
D
54 60Right-handed alpha
Helix 53
53
D
61 63Right-handed 310
Helix 54
54
D
84 90Right-handed alpha
Helix 55
55
D
117 125Right-handed alpha
Helix 56
56
D
144 148Right-handed 310
Helix 57
57
D
149 154Right-handed alpha
Helix 58
58
D
166 171Right-handed alpha
Helix 59
59
D
186 190Right-handed 310
Helix 60
60
D
201 205Right-handed 310
Helix 61
61
D
221 227Right-handed alpha
Helix 62
62
D
268 272Right-handed 310
Helix 63
63
D
273 278Right-handed alpha
Helix 64
64
D
279 281Right-handed 310
Helix 65
65
E
25 29Right-handed 310
Helix 66
66
E
36 41Right-handed alpha
Helix 67
67
E
46 50Right-handed 310
Helix 68
68
E
54 60Right-handed alpha
Helix 69
69
E
61 63Right-handed 310
Helix 70
70
E
85 90Right-handed alpha
Helix 71
71
E
117 125Right-handed alpha
Helix 72
72
E
144 148Right-handed 310
Helix 73
73
E
166 170Right-handed alpha
Helix 74
74
E
186 190Right-handed 310
Helix 75
75
E
201 205Right-handed 310
Helix 76
76
E
221 227Right-handed alpha
Helix 77
77
E
268 272Right-handed 310
Helix 78
78
E
273 278Right-handed alpha
Helix 79
79
E
279 281Right-handed 310
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There are 15 sheets in PDB entry 1XDQ. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O,

There are 5 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
80 83first strand
Strand 2
A
69 74anti-parallel
Strand 3
A
209 215parallel
Strand 4
A
132 137anti-parallel
Strand 5
A
161 165anti-parallel
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There are 4 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
94 101first strand
Strand 2
A
106 116anti-parallel
Strand 3
A
175 180anti-parallel
Strand 4
A
194 196anti-parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
183 184first strand
Strand 2
A
175 180anti-parallel
Strand 3
A
106 116anti-parallel
Strand 4
A
250 253parallel
Strand 5
A
264 266anti-parallel
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There are 5 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
81 83first strand
Strand 2
B
69 74anti-parallel
Strand 3
B
209 215parallel
Strand 4
B
132 137anti-parallel
Strand 5
B
161 165anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
94 101first strand
Strand 2
B
106 116anti-parallel
Strand 3
B
175 180anti-parallel
Strand 4
B
194 196anti-parallel
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There are 5 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
183 184first strand
Strand 2
B
175 180anti-parallel
Strand 3
B
106 116anti-parallel
Strand 4
B
250 253parallel
Strand 5
B
264 266anti-parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
81 83first strand
Strand 2
C
69 74anti-parallel
Strand 3
C
209 215parallel
Strand 4
C
132 137anti-parallel
Strand 5
C
161 165anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
94 101first strand
Strand 2
C
106 116anti-parallel
Strand 3
C
175 180anti-parallel
Strand 4
C
194 196anti-parallel
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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
183 184first strand
Strand 2
C
175 180anti-parallel
Strand 3
C
106 116anti-parallel
Strand 4
C
250 253parallel
Strand 5
C
264 266anti-parallel
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There are 5 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
80 83first strand
Strand 2
D
69 74anti-parallel
Strand 3
D
209 215parallel
Strand 4
D
132 137anti-parallel
Strand 5
D
161 165anti-parallel
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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
94 101first strand
Strand 2
D
106 116anti-parallel
Strand 3
D
175 180anti-parallel
Strand 4
D
194 196anti-parallel
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There are 5 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
183 184first strand
Strand 2
D
175 180anti-parallel
Strand 3
D
106 116anti-parallel
Strand 4
D
250 253parallel
Strand 5
D
264 266anti-parallel
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There are 5 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
80 83first strand
Strand 2
E
69 74anti-parallel
Strand 3
E
209 215parallel
Strand 4
E
132 137anti-parallel
Strand 5
E
161 165anti-parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
94 101first strand
Strand 2
E
106 116anti-parallel
Strand 3
E
175 180anti-parallel
Strand 4
E
194 196anti-parallel
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There are 5 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
183 184first strand
Strand 2
E
175 180anti-parallel
Strand 3
E
106 116anti-parallel
Strand 4
E
250 253parallel
Strand 5
E
264 266anti-parallel
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