Analysis of interatomic Contacts of Structural Units in PDB entry:
4R1O


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 4R1O entry

There are 6 chains in PDB entry 4R1O (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 2ARG 497
B
 MET 2GLY 496
C
 MET 2ARG 497
D
 MET 2ARG 497
E
 LEU 3GLY 496
F
 SER 4GLY 496
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 4R1O. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
21 40Right-handed alpha
Helix 2
2
A
57 71Right-handed alpha
Helix 3
3
A
86 89Right-handed 310
Helix 4
4
A
90 97Right-handed alpha
Helix 5
5
A
118 123Right-handed alpha
Helix 6
6
A
126 142Right-handed alpha
Helix 7
7
A
154 176Right-handed alpha
Helix 8
8
A
195 204Right-handed alpha
Helix 9
9
A
211 220Right-handed alpha
Helix 10
10
A
223 238Right-handed alpha
Helix 11
11
A
241 246Right-handed alpha
Helix 12
12
A
248 271Right-handed alpha
Helix 13
13
A
291 300Right-handed alpha
Helix 14
14
A
309 323Right-handed alpha
Helix 15
15
A
354 358Right-handed 310
Helix 16
16
A
432 444Right-handed alpha
Helix 17
17
A
456 468Right-handed alpha
Helix 18
18
A
479 495Right-handed alpha
Helix 19
19
B
21 40Right-handed alpha
Helix 20
20
B
57 71Right-handed alpha
Helix 21
21
B
86 89Right-handed 310
Helix 22
22
B
90 97Right-handed alpha
Helix 23
23
B
118 125Right-handed alpha
Helix 24
24
B
126 142Right-handed alpha
Helix 25
25
B
154 176Right-handed alpha
Helix 26
26
B
195 204Right-handed alpha
Helix 27
27
B
211 222Right-handed alpha
Helix 28
28
B
223 238Right-handed alpha
Helix 29
29
B
242 246Right-handed 310
Helix 30
30
B
248 272Right-handed alpha
Helix 31
31
B
291 300Right-handed alpha
Helix 32
32
B
306 308Right-handed 310
Helix 33
33
B
309 323Right-handed alpha
Helix 34
34
B
354 358Right-handed 310
Helix 35
35
B
432 443Right-handed alpha
Helix 36
36
B
456 468Right-handed alpha
Helix 37
37
B
479 495Right-handed alpha
Helix 38
38
C
21 40Right-handed alpha
Helix 39
39
C
57 71Right-handed alpha
Helix 40
40
C
86 89Right-handed 310
Helix 41
41
C
90 97Right-handed alpha
Helix 42
42
C
118 125Right-handed alpha
Helix 43
43
C
126 141Right-handed alpha
Helix 44
44
C
154 176Right-handed alpha
Helix 45
45
C
195 204Right-handed alpha
Helix 46
46
C
211 221Right-handed alpha
Helix 47
47
C
223 238Right-handed alpha
Helix 48
48
C
242 245Right-handed 310
Helix 49
49
C
248 272Right-handed alpha
Helix 50
50
C
291 301Right-handed alpha
Helix 51
51
C
309 323Right-handed alpha
Helix 52
52
C
354 358Right-handed 310
Helix 53
53
C
432 444Right-handed alpha
Helix 54
54
C
456 468Right-handed alpha
Helix 55
55
C
479 495Right-handed alpha
Helix 56
56
D
21 42Right-handed alpha
Helix 57
57
D
57 71Right-handed alpha
Helix 58
58
D
86 89Right-handed 310
Helix 59
59
D
90 97Right-handed alpha
Helix 60
60
D
113 117Right-handed 310
Helix 61
61
D
118 125Right-handed alpha
Helix 62
62
D
126 142Right-handed alpha
Helix 63
63
D
154 176Right-handed alpha
Helix 64
64
D
195 204Right-handed alpha
Helix 65
65
D
211 221Right-handed alpha
Helix 66
66
D
223 238Right-handed alpha
Helix 67
67
D
241 246Right-handed alpha
Helix 68
68
D
248 272Right-handed alpha
Helix 69
69
D
291 300Right-handed alpha
Helix 70
70
D
309 323Right-handed alpha
Helix 71
71
D
354 358Right-handed 310
Helix 72
72
D
432 444Right-handed alpha
Helix 73
73
D
456 468Right-handed alpha
Helix 74
74
D
479 495Right-handed alpha
Helix 75
75
E
21 41Right-handed alpha
Helix 76
76
E
57 71Right-handed alpha
Helix 77
77
E
86 89Right-handed 310
Helix 78
78
E
90 97Right-handed alpha
Helix 79
79
E
118 125Right-handed alpha
Helix 80
80
E
126 141Right-handed alpha
Helix 81
81
E
154 175Right-handed alpha
Helix 82
82
E
195 204Right-handed alpha
Helix 83
83
E
211 221Right-handed alpha
Helix 84
84
E
223 238Right-handed alpha
Helix 85
85
E
242 246Right-handed 310
Helix 86
86
E
248 271Right-handed alpha
Helix 87
87
E
291 300Right-handed alpha
Helix 88
88
E
306 308Right-handed 310
Helix 89
89
E
309 323Right-handed alpha
Helix 90
90
E
354 358Right-handed 310
Helix 91
91
E
432 444Right-handed alpha
Helix 92
92
E
456 468Right-handed alpha
Helix 93
93
E
479 495Right-handed alpha
Helix 94
94
F
17 20Right-handed 310
Helix 95
95
F
21 40Right-handed alpha
Helix 96
96
F
57 71Right-handed alpha
Helix 97
97
F
86 89Right-handed 310
Helix 98
98
F
90 97Right-handed alpha
Helix 99
99
F
118 125Right-handed alpha
Helix 100
100
F
126 142Right-handed alpha
Helix 101
101
F
154 176Right-handed alpha
Helix 102
102
F
195 204Right-handed alpha
Helix 103
103
F
211 221Right-handed alpha
Helix 104
104
F
223 238Right-handed alpha
Helix 105
105
F
241 246Right-handed alpha
Helix 106
106
F
248 272Right-handed alpha
Helix 107
107
F
291 301Right-handed alpha
Helix 108
108
F
309 323Right-handed alpha
Helix 109
109
F
354 358Right-handed 310
Helix 110
110
F
432 444Right-handed alpha
Helix 111
111
F
456 468Right-handed alpha
Helix 112
112
F
479 495Right-handed alpha
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There are 24 sheets in PDB entry 4R1O. 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 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
49 51first strand
Strand 2
A
9 15parallel
Strand 3
A
74 81parallel
Strand 4
A
101 105parallel
Strand 5
A
146 149parallel
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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
206 210first strand
Strand 2
A
178 182parallel
Strand 3
A
275 277parallel
Strand 4
A
303 305parallel
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There are 3 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
239 240first strand
Strand 2
A
363 366parallel
Strand 3
A
378 381anti-parallel
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There are 8 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
470 474first strand
Strand 2
A
401 411parallel
Strand 3
A
425 429anti-parallel
Strand 4
A
344 348anti-parallel
Strand 5
A
328 337anti-parallel
Strand 6
A
448 452anti-parallel
Strand 7
A
387 396anti-parallel
Strand 8
A
401 411anti-parallel
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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
49 51first strand
Strand 2
B
9 15parallel
Strand 3
B
74 81parallel
Strand 4
B
101 105parallel
Strand 5
B
146 149parallel
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There are 4 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
206 210first strand
Strand 2
B
178 182parallel
Strand 3
B
275 277parallel
Strand 4
B
303 305parallel
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There are 3 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
239 240first strand
Strand 2
B
363 366parallel
Strand 3
B
378 381anti-parallel
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There are 8 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
470 474first strand
Strand 2
B
401 411parallel
Strand 3
B
425 429anti-parallel
Strand 4
B
344 348anti-parallel
Strand 5
B
328 337anti-parallel
Strand 6
B
448 452anti-parallel
Strand 7
B
387 396anti-parallel
Strand 8
B
401 411anti-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
49 55first strand
Strand 2
C
9 15parallel
Strand 3
C
74 81parallel
Strand 4
C
101 105parallel
Strand 5
C
146 149parallel
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There are 4 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
206 210first strand
Strand 2
C
178 182parallel
Strand 3
C
275 277parallel
Strand 4
C
303 305parallel
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There are 3 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
239 240first strand
Strand 2
C
363 366parallel
Strand 3
C
378 381anti-parallel
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There are 8 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
470 474first strand
Strand 2
C
401 411parallel
Strand 3
C
424 429anti-parallel
Strand 4
C
344 348anti-parallel
Strand 5
C
328 337anti-parallel
Strand 6
C
448 452anti-parallel
Strand 7
C
387 396anti-parallel
Strand 8
C
401 411anti-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
49 51first strand
Strand 2
D
9 15parallel
Strand 3
D
74 81parallel
Strand 4
D
101 105parallel
Strand 5
D
146 149parallel
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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
D
206 210first strand
Strand 2
D
178 182parallel
Strand 3
D
275 277parallel
Strand 4
D
303 305parallel
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There are 3 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
239 240first strand
Strand 2
D
363 366parallel
Strand 3
D
378 381anti-parallel
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There are 8 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
470 474first strand
Strand 2
D
401 411parallel
Strand 3
D
424 429anti-parallel
Strand 4
D
344 348anti-parallel
Strand 5
D
328 337anti-parallel
Strand 6
D
448 452anti-parallel
Strand 7
D
387 396anti-parallel
Strand 8
D
401 411anti-parallel
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There are 5 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
49 55first strand
Strand 2
E
9 15parallel
Strand 3
E
74 81parallel
Strand 4
E
101 105parallel
Strand 5
E
146 149parallel
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There are 4 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
206 210first strand
Strand 2
E
178 182parallel
Strand 3
E
275 277parallel
Strand 4
E
303 305parallel
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There are 3 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
239 240first strand
Strand 2
E
363 366parallel
Strand 3
E
378 381anti-parallel
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There are 8 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
470 474first strand
Strand 2
E
401 411parallel
Strand 3
E
424 429anti-parallel
Strand 4
E
344 348anti-parallel
Strand 5
E
328 337anti-parallel
Strand 6
E
448 452anti-parallel
Strand 7
E
387 396anti-parallel
Strand 8
E
401 411anti-parallel
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There are 5 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
49 55first strand
Strand 2
F
9 15parallel
Strand 3
F
74 81parallel
Strand 4
F
101 105parallel
Strand 5
F
146 149parallel
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There are 4 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
206 210first strand
Strand 2
F
178 182parallel
Strand 3
F
275 278parallel
Strand 4
F
303 306parallel
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There are 3 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
239 240first strand
Strand 2
F
363 366parallel
Strand 3
F
378 381anti-parallel
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There are 8 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
470 474first strand
Strand 2
F
401 411parallel
Strand 3
F
424 429anti-parallel
Strand 4
F
344 348anti-parallel
Strand 5
F
328 337anti-parallel
Strand 6
F
448 452anti-parallel
Strand 7
F
387 396anti-parallel
Strand 8
F
401 411anti-parallel
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