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


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 4IOL entry

There are 2 chains in PDB entry 4IOL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 3PHE 559
B
 LYS 3PHE 559
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 50 helices in PDB entry 4IOL. 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 14Right-handed alpha
Helix 2
2
A
18 26Right-handed alpha
Helix 3
3
A
29 31Right-handed 310
Helix 4
4
A
44 51Right-handed alpha
Helix 5
5
A
73 88Right-handed alpha
Helix 6
6
A
101 106Right-handed 310
Helix 7
7
A
121 127Right-handed alpha
Helix 8
8
A
131 153Right-handed alpha
Helix 9
9
A
160 164Right-handed 310
Helix 10
10
A
174 178Right-handed 310
Helix 11
11
A
186 190Right-handed 310
Helix 12
12
A
203 212Right-handed alpha
Helix 13
13
A
214 224Right-handed alpha
Helix 14
14
A
243 251Right-handed alpha
Helix 15
15
A
284 295Right-handed alpha
Helix 16
16
A
308 316Right-handed alpha
Helix 17
17
A
316 322Right-handed alpha
Helix 18
18
A
333 340Right-handed alpha
Helix 19
19
A
344 348Right-handed 310
Helix 20
20
A
352 372Right-handed alpha
Helix 21
21
A
388 402Right-handed alpha
Helix 22
22
A
410 415Right-handed alpha
Helix 23
23
A
416 418Right-handed 310
Helix 24
24
A
419 433Right-handed alpha
Helix 25
25
A
446 458Right-handed alpha
Helix 26
26
A
467 480Right-handed alpha
Helix 27
27
B
6 14Right-handed alpha
Helix 28
28
B
18 26Right-handed alpha
Helix 29
29
B
45 51Right-handed alpha
Helix 30
30
B
75 87Right-handed alpha
Helix 31
31
B
101 106Right-handed alpha
Helix 32
32
B
121 127Right-handed alpha
Helix 33
33
B
131 153Right-handed alpha
Helix 34
34
B
174 178Right-handed 310
Helix 35
35
B
203 210Right-handed alpha
Helix 36
36
B
214 225Right-handed alpha
Helix 37
37
B
243 250Right-handed alpha
Helix 38
38
B
284 293Right-handed alpha
Helix 39
39
B
308 316Right-handed alpha
Helix 40
40
B
316 322Right-handed alpha
Helix 41
41
B
333 340Right-handed alpha
Helix 42
42
B
352 360Right-handed alpha
Helix 43
43
B
360 372Right-handed alpha
Helix 44
44
B
388 401Right-handed alpha
Helix 45
45
B
410 415Right-handed alpha
Helix 46
46
B
416 418Right-handed 310
Helix 47
47
B
419 433Right-handed alpha
Helix 48
48
B
446 458Right-handed alpha
Helix 49
49
B
467 481Right-handed alpha
Helix 50
50
B
542 547Right-handed alpha
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There are 16 sheets in PDB entry 4IOL. 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,

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
33 35first strand
Strand 2
A
41 43anti-parallel
Strand 3
A
258 262anti-parallel
Strand 4
A
117 120anti-parallel
Strand 5
A
113 114anti-parallel
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There are 10 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
33 35first strand
Strand 2
A
41 43anti-parallel
Strand 3
A
258 262anti-parallel
Strand 4
A
267 270anti-parallel
Strand 5
A
92 96parallel
Strand 6
A
297 301parallel
Strand 7
A
58 64parallel
Strand 8
A
327 332parallel
Strand 9
A
377 382parallel
Strand 10
A
405 409parallel
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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
168 170first strand
Strand 2
A
197 199parallel
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There are 2 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
180 182first strand
Strand 2
A
193 195anti-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
226 229first strand
Strand 2
A
235 237anti-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
A
463 466first strand
Strand 2
A
510 513parallel
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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
A
515 519first strand
Strand 2
A
524 528anti-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
A
548 549first strand
Strand 2
A
555 556anti-parallel
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There are 3 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
41 42first strand
Strand 2
B
258 262anti-parallel
Strand 3
B
119 120anti-parallel
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There are 9 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
41 42first strand
Strand 2
B
258 262anti-parallel
Strand 3
B
267 270anti-parallel
Strand 4
B
92 96parallel
Strand 5
B
297 301parallel
Strand 6
B
58 64parallel
Strand 7
B
328 332parallel
Strand 8
B
377 382parallel
Strand 9
B
406 409parallel
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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
B
159 164first strand
Strand 2
B
226 230anti-parallel
Strand 3
B
235 237anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
168 170first strand
Strand 2
B
197 199parallel
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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
B
180 182first strand
Strand 2
B
193 195anti-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
B
464 466first strand
Strand 2
B
511 513parallel
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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
515 519first strand
Strand 2
B
524 528anti-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
B
548 549first strand
Strand 2
B
555 556anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il