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


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 4IRL entry

There are 3 chains in PDB entry 4IRL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1SER 462
B
 MET 1GLU 463
C
 MET 1ALA 351
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 69 helices in PDB entry 4IRL. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
17 33Right-handed alpha
Helix 2
2
A
43 53Right-handed alpha
Helix 3
3
A
67 74Right-handed alpha
Helix 4
4
A
83 88Right-handed alpha
Helix 5
5
A
91 98Right-handed alpha
Helix 6
6
A
129 131Right-handed 310
Helix 7
7
A
132 143Right-handed alpha
Helix 8
8
A
154 165Right-handed alpha
Helix 9
9
A
186 202Right-handed alpha
Helix 10
10
A
210 220Right-handed alpha
Helix 11
11
A
229 231Right-handed 310
Helix 12
12
A
232 240Right-handed alpha
Helix 13
13
A
273 284Right-handed alpha
Helix 14
14
A
287 298Right-handed alpha
Helix 15
15
A
305 313Right-handed alpha
Helix 16
16
A
315 328Right-handed alpha
Helix 17
17
A
336 353Right-handed alpha
Helix 18
18
A
357 382Right-handed alpha
Helix 19
19
A
382 390Right-handed alpha
Helix 20
20
A
392 403Right-handed alpha
Helix 21
21
A
407 417Right-handed alpha
Helix 22
22
A
419 450Right-handed alpha
Helix 23
23
A
450 462Right-handed alpha
Helix 24
24
B
17 33Right-handed alpha
Helix 25
25
B
43 53Right-handed alpha
Helix 26
26
B
67 74Right-handed alpha
Helix 27
27
B
83 88Right-handed alpha
Helix 28
28
B
91 98Right-handed alpha
Helix 29
29
B
129 131Right-handed 310
Helix 30
30
B
132 143Right-handed alpha
Helix 31
31
B
154 165Right-handed alpha
Helix 32
32
B
186 202Right-handed alpha
Helix 33
33
B
210 220Right-handed alpha
Helix 34
34
B
229 231Right-handed 310
Helix 35
35
B
232 240Right-handed alpha
Helix 36
36
B
273 284Right-handed alpha
Helix 37
37
B
287 298Right-handed alpha
Helix 38
38
B
305 313Right-handed alpha
Helix 39
39
B
315 328Right-handed alpha
Helix 40
40
B
336 353Right-handed alpha
Helix 41
41
B
357 382Right-handed alpha
Helix 42
42
B
382 390Right-handed alpha
Helix 43
43
B
392 403Right-handed alpha
Helix 44
44
B
407 417Right-handed alpha
Helix 45
45
B
419 450Right-handed alpha
Helix 46
46
B
450 463Right-handed alpha
Helix 47
47
C
17 33Right-handed alpha
Helix 48
48
C
43 53Right-handed alpha
Helix 49
49
C
67 74Right-handed alpha
Helix 50
50
C
83 88Right-handed alpha
Helix 51
51
C
91 98Right-handed alpha
Helix 52
52
C
129 131Right-handed 310
Helix 53
53
C
132 142Right-handed alpha
Helix 54
54
C
154 165Right-handed alpha
Helix 55
55
C
186 202Right-handed alpha
Helix 56
56
C
210 220Right-handed alpha
Helix 57
57
C
229 231Right-handed 310
Helix 58
58
C
232 240Right-handed alpha
Helix 59
59
C
273 284Right-handed alpha
Helix 60
60
C
287 298Right-handed alpha
Helix 61
61
C
305 313Right-handed alpha
Helix 62
62
C
315 328Right-handed alpha
Helix 63
63
C
336 354Right-handed alpha
Helix 64
64
C
357 382Right-handed alpha
Helix 65
65
C
382 390Right-handed alpha
Helix 66
66
C
392 403Right-handed alpha
Helix 67
67
C
407 417Right-handed alpha
Helix 68
68
C
419 450Right-handed alpha
Helix 69
69
C
450 461Right-handed alpha
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There are 17 sheets in PDB entry 4IRL. 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,

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
35 39first strand
Strand 2
A
7 11parallel
Strand 3
A
60 64parallel
Strand 4
A
259 267anti-parallel
Strand 5
A
107 112anti-parallel
Strand 6
A
302 303anti-parallel
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There are 5 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
35 39first strand
Strand 2
A
7 11parallel
Strand 3
A
60 64parallel
Strand 4
A
259 267anti-parallel
Strand 5
A
329 330parallel
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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
99 100first strand
Strand 2
A
103 104anti-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
A
146 148first strand
Strand 2
A
223 228parallel
Strand 3
A
115 119anti-parallel
Strand 4
A
243 246anti-parallel
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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
A
168 173first strand
Strand 2
A
176 183anti-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
B
35 39first strand
Strand 2
B
7 11parallel
Strand 3
B
60 64parallel
Strand 4
B
259 267anti-parallel
Strand 5
B
107 112anti-parallel
Strand 6
B
302 303anti-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
35 39first strand
Strand 2
B
7 11parallel
Strand 3
B
60 64parallel
Strand 4
B
259 267anti-parallel
Strand 5
B
329 330parallel
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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
B
99 100first strand
Strand 2
B
103 104anti-parallel
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There are 4 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
146 148first strand
Strand 2
B
223 228parallel
Strand 3
B
115 119anti-parallel
Strand 4
B
243 246anti-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
B
168 173first strand
Strand 2
B
176 183anti-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
B
250 251first strand
Strand 2
B
254 255anti-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
C
36 39first strand
Strand 2
C
8 11parallel
Strand 3
C
60 64parallel
Strand 4
C
259 267anti-parallel
Strand 5
C
107 112anti-parallel
Strand 6
C
302 303anti-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
C
36 39first strand
Strand 2
C
8 11parallel
Strand 3
C
60 64parallel
Strand 4
C
259 267anti-parallel
Strand 5
C
329 330parallel
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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
C
99 100first strand
Strand 2
C
103 104anti-parallel
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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
146 148first strand
Strand 2
C
223 228parallel
Strand 3
C
115 119anti-parallel
Strand 4
C
243 246anti-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
C
168 173first strand
Strand 2
C
176 183anti-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
C
250 251first strand
Strand 2
C
254 255anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il