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


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 1XPR entry

There are 12 chains in PDB entry 1XPR (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
G
 U 1 C 2
M
 U 1 C 2
H
 U 1 C 2
J
 U 1 C 2
K
 U 1 C 2
L
 U 1 C 2
A
 MET 1LYS 417
B
 MET 1LYS 417
C
 MET 1LYS 417
D
 MET 1LYS 417
E
 MET 1LYS 417
F
 MET 1LYS 417
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 are102 helices in PDB entry 1XPR. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
10 15Right-handed alpha
Helix 2
2
A
16 20Right-handed 310
Helix 3
3
A
30 45Right-handed alpha
Helix 4
4
A
82 90Right-handed alpha
Helix 5
5
A
131 135Right-handed 310
Helix 6
6
A
153 155Right-handed 310
Helix 7
7
A
156 161Right-handed alpha
Helix 8
8
A
161 166Right-handed alpha
Helix 9
9
A
184 197Right-handed alpha
Helix 10
10
A
212 223Right-handed alpha
Helix 11
11
A
235 255Right-handed alpha
Helix 12
12
A
266 276Right-handed alpha
Helix 13
13
A
294 303Right-handed alpha
Helix 14
14
A
327 336Right-handed alpha
Helix 15
15
A
346 352Right-handed alpha
Helix 16
16
A
367 372Right-handed 310
Helix 17
17
A
380 386Right-handed alpha
Helix 18
18
A
397 405Right-handed alpha
Helix 19
19
A
409 414Right-handed alpha
Helix 20
20
B
2 8Right-handed alpha
Helix 21
21
B
10 20Right-handed alpha
Helix 22
22
B
30 41Right-handed alpha
Helix 23
23
B
67 71Right-handed 310
Helix 24
24
B
82 87Right-handed alpha
Helix 25
25
B
131 135Right-handed 310
Helix 26
26
B
156 166Right-handed alpha
Helix 27
27
B
183 199Right-handed alpha
Helix 28
28
B
212 223Right-handed alpha
Helix 29
29
B
235 255Right-handed alpha
Helix 30
30
B
266 278Right-handed alpha
Helix 31
31
B
294 302Right-handed alpha
Helix 32
32
B
325 336Right-handed alpha
Helix 33
33
B
375 386Right-handed alpha
Helix 34
34
B
391 404Right-handed alpha
Helix 35
35
C
2 8Right-handed alpha
Helix 36
36
C
10 21Right-handed alpha
Helix 37
37
C
30 41Right-handed alpha
Helix 38
38
C
67 71Right-handed 310
Helix 39
39
C
82 89Right-handed alpha
Helix 40
40
C
131 135Right-handed 310
Helix 41
41
C
155 166Right-handed alpha
Helix 42
42
C
183 197Right-handed alpha
Helix 43
43
C
212 223Right-handed alpha
Helix 44
44
C
235 255Right-handed alpha
Helix 45
45
C
266 278Right-handed alpha
Helix 46
46
C
294 302Right-handed alpha
Helix 47
47
C
326 336Right-handed alpha
Helix 48
48
C
346 351Right-handed alpha
Helix 49
49
C
367 371Right-handed 310
Helix 50
50
C
373 388Right-handed alpha
Helix 51
51
C
391 404Right-handed alpha
Helix 52
52
C
409 416Right-handed alpha
Helix 53
53
D
2 8Right-handed alpha
Helix 54
54
D
10 22Right-handed alpha
Helix 55
55
D
30 42Right-handed alpha
Helix 56
56
D
67 71Right-handed 310
Helix 57
57
D
82 89Right-handed alpha
Helix 58
58
D
131 135Right-handed 310
Helix 59
59
D
153 166Right-handed alpha
Helix 60
60
D
183 199Right-handed alpha
Helix 61
61
D
212 221Right-handed alpha
Helix 62
62
D
235 255Right-handed alpha
Helix 63
63
D
266 276Right-handed alpha
Helix 64
64
D
294 302Right-handed alpha
Helix 65
65
D
325 336Right-handed alpha
Helix 66
66
D
346 352Right-handed alpha
Helix 67
67
D
367 372Right-handed 310
Helix 68
68
D
373 388Right-handed alpha
Helix 69
69
D
393 405Right-handed alpha
Helix 70
70
E
2 9Right-handed alpha
Helix 71
71
E
11 20Right-handed alpha
Helix 72
72
E
30 41Right-handed alpha
Helix 73
73
E
82 88Right-handed alpha
Helix 74
74
E
131 135Right-handed 310
Helix 75
75
E
156 166Right-handed alpha
Helix 76
76
E
186 199Right-handed alpha
Helix 77
77
E
212 221Right-handed alpha
Helix 78
78
E
235 255Right-handed alpha
Helix 79
79
E
267 276Right-handed alpha
Helix 80
80
E
294 303Right-handed alpha
Helix 81
81
E
325 336Right-handed alpha
Helix 82
82
E
373 384Right-handed alpha
Helix 83
83
E
393 404Right-handed alpha
Helix 84
84
E
409 414Right-handed alpha
Helix 85
85
F
2 9Right-handed alpha
Helix 86
86
F
10 20Right-handed alpha
Helix 87
87
F
30 42Right-handed alpha
Helix 88
88
F
82 89Right-handed alpha
Helix 89
89
F
131 135Right-handed 310
Helix 90
90
F
153 155Right-handed 310
Helix 91
91
F
156 166Right-handed alpha
Helix 92
92
F
183 198Right-handed alpha
Helix 93
93
F
212 221Right-handed alpha
Helix 94
94
F
235 256Right-handed alpha
Helix 95
95
F
266 277Right-handed alpha
Helix 96
96
F
291 293Right-handed 310
Helix 97
97
F
294 303Right-handed alpha
Helix 98
98
F
325 336Right-handed alpha
Helix 99
99
F
346 351Right-handed alpha
Helix 100
100
F
373 386Right-handed alpha
Helix 101
101
F
391 404Right-handed alpha
Helix 102
102
F
408 417Right-handed alpha
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There are 19 sheets in PDB entry 1XPR. 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,

There are 6 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
49 52first strand
Strand 2
A
97 102anti-parallel
Strand 3
A
111 113anti-parallel
Strand 4
A
79 81parallel
Strand 5
A
63 66anti-parallel
Strand 6
A
54 57anti-parallel
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There are 3 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
49 52first strand
Strand 2
A
97 102anti-parallel
Strand 3
A
118 119anti-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
226 231first strand
Strand 2
A
203 211parallel
Strand 3
A
259 262parallel
Strand 4
A
312 320parallel
Strand 5
A
305 306anti-parallel
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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
226 231first strand
Strand 2
A
203 211parallel
Strand 3
A
259 262parallel
Strand 4
A
312 320parallel
Strand 5
A
174 178parallel
Strand 6
A
342 344parallel
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There are 5 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
54 57first strand
Strand 2
B
63 66anti-parallel
Strand 3
B
79 81anti-parallel
Strand 4
B
111 119parallel
Strand 5
B
97 101anti-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 145first strand
Strand 2
B
168 169anti-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
B
226 231first strand
Strand 2
B
203 211parallel
Strand 3
B
259 265parallel
Strand 4
B
312 320parallel
Strand 5
B
305 306anti-parallel
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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
226 231first strand
Strand 2
B
203 211parallel
Strand 3
B
259 265parallel
Strand 4
B
312 320parallel
Strand 5
B
173 178parallel
Strand 6
B
341 344parallel
Strand 7
B
364 365anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
285 286first strand
Strand 2
B
289 290anti-parallel
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There are 6 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
50 51first strand
Strand 2
C
97 102anti-parallel
Strand 3
C
111 119anti-parallel
Strand 4
C
79 81parallel
Strand 5
C
63 66anti-parallel
Strand 6
C
54 57anti-parallel
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There are 7 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
226 231first strand
Strand 2
C
203 211parallel
Strand 3
C
259 265parallel
Strand 4
C
312 320parallel
Strand 5
C
173 178parallel
Strand 6
C
341 344parallel
Strand 7
C
364 365anti-parallel
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There are 6 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
52 57first strand
Strand 2
D
63 66anti-parallel
Strand 3
D
79 81anti-parallel
Strand 4
D
112 119parallel
Strand 5
D
96 102anti-parallel
Strand 6
D
52 57anti-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
D
226 231first strand
Strand 2
D
203 211parallel
Strand 3
D
259 265parallel
Strand 4
D
312 320parallel
Strand 5
D
305 306anti-parallel
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There are 7 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
226 231first strand
Strand 2
D
203 211parallel
Strand 3
D
259 265parallel
Strand 4
D
312 320parallel
Strand 5
D
173 178parallel
Strand 6
D
341 344parallel
Strand 7
D
364 365anti-parallel
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There are 6 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
50 57first strand
Strand 2
E
63 66anti-parallel
Strand 3
E
79 81anti-parallel
Strand 4
E
112 119parallel
Strand 5
E
96 102anti-parallel
Strand 6
E
50 57anti-parallel
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There are 5 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
226 230first strand
Strand 2
E
203 209parallel
Strand 3
E
259 265parallel
Strand 4
E
312 320parallel
Strand 5
E
305 306anti-parallel
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There are 7 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
226 230first strand
Strand 2
E
203 209parallel
Strand 3
E
259 265parallel
Strand 4
E
312 320parallel
Strand 5
E
173 178parallel
Strand 6
E
341 344parallel
Strand 7
E
364 365anti-parallel
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There are 6 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
50 51first strand
Strand 2
F
97 102anti-parallel
Strand 3
F
111 119anti-parallel
Strand 4
F
79 81parallel
Strand 5
F
63 66anti-parallel
Strand 6
F
54 57anti-parallel
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There are 6 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
226 231first strand
Strand 2
F
203 211parallel
Strand 3
F
259 265parallel
Strand 4
F
312 320parallel
Strand 5
F
173 178parallel
Strand 6
F
341 344parallel
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