Analysis of interatomic Contacts of Structural Units in PDB entry:
4OK2


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 4OK2 entry

There are 2 chains in PDB entry 4OK2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 30ARG 735
B
 PRO 31ARG 735
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 52 helices in PDB entry 4OK2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
36 47Right-handed alpha
Helix 2
2
A
50 69Right-handed alpha
Helix 3
3
A
83 107Right-handed alpha
Helix 4
4
A
108 124Right-handed alpha
Helix 5
5
A
125 129Right-handed 310
Helix 6
6
A
146 165Right-handed alpha
Helix 7
7
A
166 168Right-handed 310
Helix 8
8
A
169 180Right-handed alpha
Helix 9
9
A
180 189Right-handed alpha
Helix 10
10
A
192 197Right-handed alpha
Helix 11
11
A
200 217Right-handed alpha
Helix 12
12
A
219 229Right-handed alpha
Helix 13
13
A
237 245Right-handed alpha
Helix 14
14
A
255 277Right-handed alpha
Helix 15
15
A
278 281Right-handed 310
Helix 16
16
A
284 300Right-handed alpha
Helix 17
17
A
320 335Right-handed alpha
Helix 18
18
A
338 347Right-handed alpha
Helix 19
19
A
352 364Right-handed alpha
Helix 20
20
A
410 414Right-handed 310
Helix 21
21
A
445 449Right-handed 310
Helix 22
22
A
451 457Right-handed alpha
Helix 23
23
A
460 464Right-handed 310
Helix 24
24
A
473 477Right-handed 310
Helix 25
25
A
478 484Right-handed alpha
Helix 26
26
A
577 579Right-handed 310
Helix 27
27
B
36 47Right-handed alpha
Helix 28
28
B
50 70Right-handed alpha
Helix 29
29
B
83 107Right-handed alpha
Helix 30
30
B
108 124Right-handed alpha
Helix 31
31
B
125 129Right-handed 310
Helix 32
32
B
146 165Right-handed alpha
Helix 33
33
B
166 168Right-handed 310
Helix 34
34
B
169 180Right-handed alpha
Helix 35
35
B
180 189Right-handed alpha
Helix 36
36
B
192 197Right-handed alpha
Helix 37
37
B
200 217Right-handed alpha
Helix 38
38
B
219 229Right-handed alpha
Helix 39
39
B
237 245Right-handed alpha
Helix 40
40
B
255 277Right-handed alpha
Helix 41
41
B
278 281Right-handed 310
Helix 42
42
B
284 300Right-handed alpha
Helix 43
43
B
320 335Right-handed alpha
Helix 44
44
B
338 347Right-handed alpha
Helix 45
45
B
352 364Right-handed alpha
Helix 46
46
B
410 414Right-handed 310
Helix 47
47
B
445 449Right-handed 310
Helix 48
48
B
451 457Right-handed alpha
Helix 49
49
B
460 464Right-handed 310
Helix 50
50
B
473 477Right-handed 310
Helix 51
51
B
478 484Right-handed alpha
Helix 52
52
B
577 579Right-handed 310
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There are 14 sheets in PDB entry 4OK2. 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 2 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
301 302first strand
Strand 2
A
305 306anti-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
375 378first strand
Strand 2
A
386 393anti-parallel
Strand 3
A
400 407anti-parallel
Strand 4
A
420 425anti-parallel
Strand 5
A
428 431anti-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
468 469first strand
Strand 2
A
530 549anti-parallel
Strand 3
A
638 659anti-parallel
Strand 4
A
603 612anti-parallel
Strand 5
A
594 600anti-parallel
Strand 6
A
554 558anti-parallel
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There are 7 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
488 494first strand
Strand 2
A
498 505anti-parallel
Strand 3
A
512 521anti-parallel
Strand 4
A
530 549anti-parallel
Strand 5
A
638 659anti-parallel
Strand 6
A
618 625anti-parallel
Strand 7
A
581 588anti-parallel
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There are 9 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
568 570first strand
Strand 2
B
568 571anti-parallel
Strand 3
B
581 589anti-parallel
Strand 4
B
618 625anti-parallel
Strand 5
B
638 659anti-parallel
Strand 6
B
530 550anti-parallel
Strand 7
B
512 521anti-parallel
Strand 8
B
498 505anti-parallel
Strand 9
B
488 494anti-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
468 469first strand
Strand 2
B
530 550anti-parallel
Strand 3
B
638 659anti-parallel
Strand 4
B
603 612anti-parallel
Strand 5
B
594 600anti-parallel
Strand 6
B
554 558anti-parallel
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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
661 663first strand
Strand 2
A
668 670anti-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
A
676 684first strand
Strand 2
A
687 694anti-parallel
Strand 3
A
699 704anti-parallel
Strand 4
A
729 734anti-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
A
713 717first strand
Strand 2
A
722 726anti-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
301 302first strand
Strand 2
B
305 306anti-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
B
375 378first strand
Strand 2
B
386 393anti-parallel
Strand 3
B
400 407anti-parallel
Strand 4
B
420 425anti-parallel
Strand 5
B
428 431anti-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
661 663first strand
Strand 2
B
668 670anti-parallel
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There are 4 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
676 683first strand
Strand 2
B
688 694anti-parallel
Strand 3
B
699 704anti-parallel
Strand 4
B
729 733anti-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
713 717first strand
Strand 2
B
722 726anti-parallel
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