Analysis of interatomic Contacts of Structural Units in PDB entry:
4I50


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 4I50 entry

There are 2 chains in PDB entry 4I50 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ASP 438
B
 ARG 2LEU 219
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 98 helices in PDB entry 4I50. 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 29Right-handed alpha
Helix 2
2
A
47 51Right-handed 310
Helix 3
3
A
72 81Right-handed alpha
Helix 4
4
A
88 90Right-handed 310
Helix 5
5
A
102 108Right-handed alpha
Helix 6
6
A
110 127Right-handed alpha
Helix 7
7
A
143 161Right-handed alpha
Helix 8
8
A
174 178Right-handed 310
Helix 9
9
A
182 195Right-handed alpha
Helix 10
10
A
196 198Right-handed 310
Helix 11
11
A
206 218Right-handed alpha
Helix 12
12
A
223 244Right-handed alpha
Helix 13
13
A
251 260Right-handed alpha
Helix 14
14
A
287 294Right-handed alpha
Helix 15
15
A
295 301Right-handed 310
Helix 16
16
A
306 310Right-handed 310
Helix 17
17
A
324 337Right-handed alpha
Helix 18
18
A
384 400Right-handed alpha
Helix 19
19
A
404 410Right-handed alpha
Helix 20
20
A
415 437Right-handed alpha
Helix 21
21
B
10 28Right-handed alpha
Helix 22
22
B
41 48Right-handed alpha
Helix 23
23
B
49 51Right-handed 310
Helix 24
24
B
72 81Right-handed alpha
Helix 25
25
B
83 87Right-handed 310
Helix 26
26
B
88 90Right-handed 310
Helix 27
27
B
102 108Right-handed alpha
Helix 28
28
B
109 128Right-handed alpha
Helix 29
29
B
144 161Right-handed alpha
Helix 30
30
B
174 178Right-handed 310
Helix 31
31
B
182 198Right-handed alpha
Helix 32
32
B
206 216Right-handed alpha
Helix 33
33
B
223 244Right-handed alpha
Helix 34
34
B
251 260Right-handed alpha
Helix 35
35
B
287 296Right-handed alpha
Helix 36
36
B
297 301Right-handed 310
Helix 37
37
B
306 310Right-handed 310
Helix 38
38
B
324 339Right-handed alpha
Helix 39
39
B
340 343Right-handed 310
Helix 40
40
B
384 400Right-handed alpha
Helix 41
41
B
405 410Right-handed alpha
Helix 42
42
B
414 437Right-handed alpha
Helix 43
43
C
10 29Right-handed alpha
Helix 44
44
C
47 51Right-handed 310
Helix 45
45
C
72 81Right-handed alpha
Helix 46
46
C
88 90Right-handed 310
Helix 47
47
C
102 108Right-handed alpha
Helix 48
48
C
110 113Right-handed 310
Helix 49
49
C
114 128Right-handed alpha
Helix 50
50
C
143 162Right-handed alpha
Helix 51
51
C
182 195Right-handed alpha
Helix 52
52
C
196 198Right-handed 310
Helix 53
53
C
206 217Right-handed alpha
Helix 54
54
C
223 244Right-handed alpha
Helix 55
55
C
251 260Right-handed alpha
Helix 56
56
C
277 282Right-handed alpha
Helix 57
57
C
287 295Right-handed alpha
Helix 58
58
C
296 301Right-handed 310
Helix 59
59
C
306 310Right-handed 310
Helix 60
60
C
324 339Right-handed alpha
Helix 61
61
C
384 400Right-handed alpha
Helix 62
62
C
404 410Right-handed alpha
Helix 63
63
C
414 437Right-handed alpha
Helix 64
64
D
10 28Right-handed alpha
Helix 65
65
D
40 46Right-handed 310
Helix 66
66
D
48 51Right-handed 310
Helix 67
67
D
72 80Right-handed alpha
Helix 68
68
D
83 87Right-handed 310
Helix 69
69
D
88 90Right-handed 310
Helix 70
70
D
102 108Right-handed alpha
Helix 71
71
D
109 128Right-handed alpha
Helix 72
72
D
144 161Right-handed alpha
Helix 73
73
D
182 198Right-handed alpha
Helix 74
74
D
206 216Right-handed alpha
Helix 75
75
D
223 239Right-handed alpha
Helix 76
76
D
239 244Right-handed alpha
Helix 77
77
D
251 260Right-handed alpha
Helix 78
78
D
277 283Right-handed 310
Helix 79
79
D
287 296Right-handed alpha
Helix 80
80
D
297 301Right-handed 310
Helix 81
81
D
306 310Right-handed 310
Helix 82
82
D
324 339Right-handed alpha
Helix 83
83
D
340 343Right-handed 310
Helix 84
84
D
384 400Right-handed alpha
Helix 85
85
D
405 410Right-handed alpha
Helix 86
86
D
414 438Right-handed alpha
Helix 87
87
E
46 142Right-handed alpha
Helix 88
88
F
11 23Right-handed alpha
Helix 89
89
F
48 52Right-handed 310
Helix 90
90
F
68 73Right-handed alpha
Helix 91
91
F
73 84Right-handed alpha
Helix 92
92
F
133 139Right-handed alpha
Helix 93
93
F
165 175Right-handed alpha
Helix 94
94
F
242 247Right-handed alpha
Helix 95
95
F
264 276Right-handed alpha
Helix 96
96
F
278 283Right-handed alpha
Helix 97
97
F
283 303Right-handed alpha
Helix 98
98
F
342 354Right-handed alpha
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There are 14 sheets in PDB entry 4I50. 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,

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
92 94first strand
Strand 2
A
65 69parallel
Strand 3
A
4 9parallel
Strand 4
A
134 140parallel
Strand 5
A
165 172parallel
Strand 6
A
200 205parallel
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There are 2 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
53 55first strand
Strand 2
A
61 63anti-parallel
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There are 6 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
269 273first strand
Strand 2
A
373 381anti-parallel
Strand 3
A
312 321anti-parallel
Strand 4
A
349 356parallel
Strand 5
E
17 25anti-parallel
Strand 6
E
7 14anti-parallel
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There are 10 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
92 94first strand
Strand 2
B
65 69parallel
Strand 3
B
3 9parallel
Strand 4
B
132 140parallel
Strand 5
B
165 172parallel
Strand 6
B
200 205parallel
Strand 7
B
267 273parallel
Strand 8
B
373 381anti-parallel
Strand 9
B
312 321anti-parallel
Strand 10
B
351 356parallel
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There are 2 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
53 56first strand
Strand 2
B
60 63anti-parallel
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There are 6 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
92 94first strand
Strand 2
C
65 69parallel
Strand 3
C
4 9parallel
Strand 4
C
134 140parallel
Strand 5
C
165 172parallel
Strand 6
C
200 205parallel
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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
C
53 55first strand
Strand 2
C
61 63anti-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
269 273first strand
Strand 2
C
373 381anti-parallel
Strand 3
C
312 321anti-parallel
Strand 4
C
352 356parallel
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There are 10 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
92 94first strand
Strand 2
D
65 69parallel
Strand 3
D
3 9parallel
Strand 4
D
132 140parallel
Strand 5
D
165 172parallel
Strand 6
D
200 205parallel
Strand 7
D
267 273parallel
Strand 8
D
373 381anti-parallel
Strand 9
D
312 321anti-parallel
Strand 10
D
351 356parallel
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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
D
53 56first strand
Strand 2
D
60 63anti-parallel
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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
27 29first strand
Strand 2
F
2 6parallel
Strand 3
F
39 41parallel
Strand 4
F
61 62parallel
Strand 5
F
310 311parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
97 98first strand
Strand 2
F
181 184anti-parallel
Strand 3
F
147 150anti-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
F
261 263first strand
Strand 2
F
220 223anti-parallel
Strand 3
F
199 207anti-parallel
Strand 4
F
313 321anti-parallel
Strand 5
F
327 333anti-parallel
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There are 5 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
261 263first strand
Strand 2
F
220 223anti-parallel
Strand 3
F
199 207anti-parallel
Strand 4
F
213 216anti-parallel
Strand 5
F
375 378anti-parallel
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