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


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 1XRH entry

There are 8 chains in PDB entry 1XRH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 2GLU 344
B
 SER 2GLU 344
C
 SER 1GLU 344
D
 SER 2TYR 343
E
 SER 2GLU 344
F
 SER 2ASN 340
G
 SER 2SER 342
H
 SER 2ASN 340
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 are112 helices in PDB entry 1XRH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
6 22Right-handed alpha
Helix 2
2
A
24 41Right-handed alpha
Helix 3
3
A
42 49Right-handed 310
Helix 4
4
A
50 60Right-handed alpha
Helix 5
5
A
87 107Right-handed alpha
Helix 6
6
A
122 132Right-handed alpha
Helix 7
7
A
183 192Right-handed alpha
Helix 8
8
A
224 239Right-handed alpha
Helix 9
9
A
240 243Right-handed 310
Helix 10
10
A
246 250Right-handed 310
Helix 11
11
A
272 275Right-handed 310
Helix 12
12
A
277 294Right-handed alpha
Helix 13
13
A
308 322Right-handed alpha
Helix 14
14
A
326 335Right-handed alpha
Helix 15
15
B
6 21Right-handed alpha
Helix 16
16
B
24 41Right-handed alpha
Helix 17
17
B
42 49Right-handed 310
Helix 18
18
B
50 60Right-handed alpha
Helix 19
19
B
87 107Right-handed alpha
Helix 20
20
B
122 132Right-handed alpha
Helix 21
21
B
183 193Right-handed alpha
Helix 22
22
B
224 239Right-handed alpha
Helix 23
23
B
240 243Right-handed 310
Helix 24
24
B
246 250Right-handed 310
Helix 25
25
B
272 275Right-handed 310
Helix 26
26
B
277 295Right-handed alpha
Helix 27
27
B
308 322Right-handed alpha
Helix 28
28
B
326 335Right-handed alpha
Helix 29
29
C
6 22Right-handed alpha
Helix 30
30
C
24 42Right-handed alpha
Helix 31
31
C
43 49Right-handed 310
Helix 32
32
C
50 60Right-handed alpha
Helix 33
33
C
87 107Right-handed alpha
Helix 34
34
C
122 132Right-handed alpha
Helix 35
35
C
183 194Right-handed alpha
Helix 36
36
C
224 239Right-handed alpha
Helix 37
37
C
246 250Right-handed 310
Helix 38
38
C
272 275Right-handed 310
Helix 39
39
C
277 294Right-handed alpha
Helix 40
40
C
308 322Right-handed alpha
Helix 41
41
C
327 334Right-handed alpha
Helix 42
42
D
6 22Right-handed alpha
Helix 43
43
D
24 41Right-handed alpha
Helix 44
44
D
43 49Right-handed 310
Helix 45
45
D
50 60Right-handed alpha
Helix 46
46
D
87 107Right-handed alpha
Helix 47
47
D
122 132Right-handed alpha
Helix 48
48
D
183 193Right-handed alpha
Helix 49
49
D
212 216Right-handed 310
Helix 50
50
D
224 239Right-handed alpha
Helix 51
51
D
240 243Right-handed 310
Helix 52
52
D
246 250Right-handed 310
Helix 53
53
D
272 275Right-handed 310
Helix 54
54
D
277 294Right-handed alpha
Helix 55
55
D
308 322Right-handed alpha
Helix 56
56
D
326 335Right-handed alpha
Helix 57
57
E
6 22Right-handed alpha
Helix 58
58
E
24 41Right-handed alpha
Helix 59
59
E
43 49Right-handed 310
Helix 60
60
E
50 60Right-handed alpha
Helix 61
61
E
87 107Right-handed alpha
Helix 62
62
E
122 132Right-handed alpha
Helix 63
63
E
183 192Right-handed alpha
Helix 64
64
E
212 216Right-handed 310
Helix 65
65
E
224 239Right-handed alpha
Helix 66
66
E
240 243Right-handed 310
Helix 67
67
E
246 250Right-handed 310
Helix 68
68
E
272 275Right-handed 310
Helix 69
69
E
277 295Right-handed alpha
Helix 70
70
E
308 322Right-handed alpha
Helix 71
71
E
326 334Right-handed alpha
Helix 72
72
F
6 22Right-handed alpha
Helix 73
73
F
24 41Right-handed alpha
Helix 74
74
F
42 49Right-handed 310
Helix 75
75
F
50 60Right-handed alpha
Helix 76
76
F
87 107Right-handed alpha
Helix 77
77
F
122 132Right-handed alpha
Helix 78
78
F
183 193Right-handed alpha
Helix 79
79
F
224 239Right-handed alpha
Helix 80
80
F
240 243Right-handed 310
Helix 81
81
F
246 250Right-handed 310
Helix 82
82
F
272 275Right-handed 310
Helix 83
83
F
277 294Right-handed alpha
Helix 84
84
F
308 322Right-handed alpha
Helix 85
85
F
326 335Right-handed alpha
Helix 86
86
G
6 22Right-handed alpha
Helix 87
87
G
24 41Right-handed alpha
Helix 88
88
G
42 49Right-handed 310
Helix 89
89
G
50 60Right-handed alpha
Helix 90
90
G
87 107Right-handed alpha
Helix 91
91
G
122 132Right-handed alpha
Helix 92
92
G
183 193Right-handed alpha
Helix 93
93
G
212 216Right-handed 310
Helix 94
94
G
224 239Right-handed alpha
Helix 95
95
G
246 250Right-handed 310
Helix 96
96
G
272 275Right-handed 310
Helix 97
97
G
277 295Right-handed alpha
Helix 98
98
G
308 322Right-handed alpha
Helix 99
99
G
326 335Right-handed alpha
Helix 100
100
H
6 21Right-handed alpha
Helix 101
101
H
24 41Right-handed alpha
Helix 102
102
H
43 49Right-handed 310
Helix 103
103
H
50 60Right-handed alpha
Helix 104
104
H
87 107Right-handed alpha
Helix 105
105
H
122 132Right-handed alpha
Helix 106
106
H
183 193Right-handed alpha
Helix 107
107
H
224 239Right-handed alpha
Helix 108
108
H
246 250Right-handed 310
Helix 109
109
H
272 275Right-handed 310
Helix 110
110
H
277 295Right-handed alpha
Helix 111
111
H
308 322Right-handed alpha
Helix 112
112
H
326 335Right-handed alpha
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There are 24 sheets in PDB entry 1XRH. 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, P, Q, R, S, T, U, V, W, X,

There are 2 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
3 5first strand
Strand 2
A
323 325anti-parallel
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There are 7 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
70 73first strand
Strand 2
A
78 86anti-parallel
Strand 3
A
108 116parallel
Strand 4
A
263 270anti-parallel
Strand 5
A
135 140anti-parallel
Strand 6
A
161 166anti-parallel
Strand 7
A
172 177anti-parallel
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There are 2 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
202 203first strand
Strand 2
A
218 219anti-parallel
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There are 4 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
323 325first strand
Strand 2
B
3 5anti-parallel
Strand 3
H
3 5anti-parallel
Strand 4
H
323 325anti-parallel
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There are 7 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
70 75first strand
Strand 2
B
78 86anti-parallel
Strand 3
B
108 116parallel
Strand 4
B
263 270anti-parallel
Strand 5
B
135 140anti-parallel
Strand 6
B
161 166anti-parallel
Strand 7
B
172 177anti-parallel
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There are 2 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
144 146first strand
Strand 2
B
156 157anti-parallel
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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
202 204first strand
Strand 2
B
216 219anti-parallel
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There are 2 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
2 5first strand
Strand 2
C
323 326anti-parallel
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There are 7 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
70 75first strand
Strand 2
C
78 86anti-parallel
Strand 3
C
108 116parallel
Strand 4
C
263 270anti-parallel
Strand 5
C
135 140anti-parallel
Strand 6
C
161 166anti-parallel
Strand 7
C
172 177anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
202 203first strand
Strand 2
C
218 219anti-parallel
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There are 2 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
3 5first strand
Strand 2
D
323 325anti-parallel
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There are 7 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
70 75first strand
Strand 2
D
78 86anti-parallel
Strand 3
D
108 116parallel
Strand 4
D
263 270anti-parallel
Strand 5
D
135 140anti-parallel
Strand 6
D
161 166anti-parallel
Strand 7
D
172 177anti-parallel
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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
202 203first strand
Strand 2
D
218 219anti-parallel
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There are 2 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
3 5first strand
Strand 2
E
323 325anti-parallel
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There are 7 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
70 75first strand
Strand 2
E
78 86anti-parallel
Strand 3
E
108 116parallel
Strand 4
E
263 270anti-parallel
Strand 5
E
135 140anti-parallel
Strand 6
E
161 166anti-parallel
Strand 7
E
172 177anti-parallel
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There are 2 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
202 203first strand
Strand 2
E
218 219anti-parallel
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There are 2 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
3 5first strand
Strand 2
F
323 325anti-parallel
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There are 7 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
70 75first strand
Strand 2
F
78 86anti-parallel
Strand 3
F
108 116parallel
Strand 4
F
263 270anti-parallel
Strand 5
F
135 140anti-parallel
Strand 6
F
161 166anti-parallel
Strand 7
F
172 177anti-parallel
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There are 2 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
202 203first strand
Strand 2
F
218 219anti-parallel
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There are 2 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
3 5first strand
Strand 2
G
323 325anti-parallel
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There are 7 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
70 75first strand
Strand 2
G
78 82anti-parallel
Strand 3
G
108 116parallel
Strand 4
G
263 270anti-parallel
Strand 5
G
135 140anti-parallel
Strand 6
G
161 166anti-parallel
Strand 7
G
172 177anti-parallel
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There are 2 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
202 203first strand
Strand 2
G
218 219anti-parallel
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There are 7 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
70 75first strand
Strand 2
H
78 86anti-parallel
Strand 3
H
108 116parallel
Strand 4
H
263 270anti-parallel
Strand 5
H
135 140anti-parallel
Strand 6
H
161 166anti-parallel
Strand 7
H
172 177anti-parallel
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There are 2 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
202 203first strand
Strand 2
H
218 219anti-parallel
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