Analysis of interatomic Contacts of Structural Units in PDB entry:
1K90


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 1K90 entry

There are 6 chains in PDB entry 1K90 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 292ASP 798
D
 THR 5ALA 147
B
 ASP 294ASP 798
E
 THR 5ALA 147
C
 ARG 292ASP 798
F
 THR 5ALA 147
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 85 helices in PDB entry 1K90. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
298 306Right-handed alpha
Helix 2
2
A
308 322Right-handed alpha
Helix 3
3
A
332 334Right-handed 310
Helix 4
4
A
335 342Right-handed alpha
Helix 5
5
A
376 394Right-handed alpha
Helix 6
6
A
406 416Right-handed alpha
Helix 7
7
A
500 506Right-handed alpha
Helix 8
8
A
511 518Right-handed alpha
Helix 9
9
A
522 537Right-handed alpha
Helix 10
10
A
550 567Right-handed alpha
Helix 11
11
A
579 583Right-handed 310
Helix 12
12
A
607 619Right-handed alpha
Helix 13
13
A
647 652Right-handed alpha
Helix 14
14
A
660 665Right-handed alpha
Helix 15
15
A
695 705Right-handed alpha
Helix 16
16
A
713 732Right-handed alpha
Helix 17
17
A
734 738Right-handed 310
Helix 18
18
A
742 765Right-handed alpha
Helix 19
19
A
773 778Right-handed alpha
Helix 20
20
A
787 798Right-handed alpha
Helix 21
21
D
5 19Right-handed alpha
Helix 22
22
D
32 37Right-handed alpha
Helix 23
23
D
46 55Right-handed alpha
Helix 24
24
D
65 73Right-handed alpha
Helix 25
25
D
74 78Right-handed 310
Helix 26
26
D
81 93Right-handed alpha
Helix 27
27
D
101 112Right-handed alpha
Helix 28
28
D
117 129Right-handed alpha
Helix 29
29
D
138 147Right-handed alpha
Helix 30
30
B
298 303Right-handed alpha
Helix 31
31
B
308 322Right-handed alpha
Helix 32
32
B
332 334Right-handed 310
Helix 33
33
B
335 341Right-handed alpha
Helix 34
34
B
367 371Right-handed 310
Helix 35
35
B
376 394Right-handed alpha
Helix 36
36
B
406 416Right-handed alpha
Helix 37
37
B
500 508Right-handed alpha
Helix 38
38
B
509 518Right-handed alpha
Helix 39
39
B
525 536Right-handed alpha
Helix 40
40
B
550 566Right-handed alpha
Helix 41
41
B
579 583Right-handed 310
Helix 42
42
B
607 619Right-handed alpha
Helix 43
43
B
647 652Right-handed alpha
Helix 44
44
B
713 730Right-handed alpha
Helix 45
45
B
735 739Right-handed 310
Helix 46
46
B
742 767Right-handed alpha
Helix 47
47
B
785 797Right-handed alpha
Helix 48
48
E
31 37Right-handed alpha
Helix 49
49
E
64 72Right-handed alpha
Helix 50
50
E
77 80Right-handed 310
Helix 51
51
E
81 93Right-handed alpha
Helix 52
52
E
101 110Right-handed alpha
Helix 53
53
E
119 129Right-handed alpha
Helix 54
54
E
138 147Right-handed alpha
Helix 55
55
C
298 306Right-handed alpha
Helix 56
56
C
308 322Right-handed alpha
Helix 57
57
C
335 341Right-handed alpha
Helix 58
58
C
367 371Right-handed 310
Helix 59
59
C
376 394Right-handed alpha
Helix 60
60
C
406 416Right-handed alpha
Helix 61
61
C
500 506Right-handed alpha
Helix 62
62
C
513 518Right-handed alpha
Helix 63
63
C
521 537Right-handed alpha
Helix 64
64
C
550 568Right-handed alpha
Helix 65
65
C
579 583Right-handed 310
Helix 66
66
C
607 619Right-handed alpha
Helix 67
67
C
647 652Right-handed alpha
Helix 68
68
C
660 665Right-handed alpha
Helix 69
69
C
665 670Right-handed alpha
Helix 70
70
C
695 703Right-handed alpha
Helix 71
71
C
706 712Right-handed 310
Helix 72
72
C
713 736Right-handed alpha
Helix 73
73
C
744 765Right-handed alpha
Helix 74
74
C
773 777Right-handed 310
Helix 75
75
C
785 797Right-handed alpha
Helix 76
76
F
8 16Right-handed alpha
Helix 77
77
F
17 19Right-handed 310
Helix 78
78
F
28 37Right-handed alpha
Helix 79
79
F
46 51Right-handed alpha
Helix 80
80
F
64 73Right-handed alpha
Helix 81
81
F
78 80Right-handed 310
Helix 82
82
F
81 93Right-handed alpha
Helix 83
83
F
103 112Right-handed alpha
Helix 84
84
F
117 129Right-handed alpha
Helix 85
85
F
138 147Right-handed alpha
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There are 17 sheets in PDB entry 1K90. 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 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
296 297first strand
Strand 2
A
602 604anti-parallel
Strand 3
A
594 596anti-parallel
Strand 4
A
324 328anti-parallel
Strand 5
A
494 499anti-parallel
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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
344 345first strand
Strand 2
A
484 489parallel
Strand 3
A
475 481anti-parallel
Strand 4
A
398 402anti-parallel
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There are 5 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
420 421first strand
Strand 2
A
433 436anti-parallel
Strand 3
A
442 446anti-parallel
Strand 4
A
453 457anti-parallel
Strand 5
A
472 473anti-parallel
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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
426 427first strand
Strand 2
A
430 431anti-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
541 542first strand
Strand 2
A
548 549anti-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
D
99 100first strand
Strand 2
D
136 137anti-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
296 297first strand
Strand 2
B
601 604anti-parallel
Strand 3
B
594 597anti-parallel
Strand 4
B
324 328anti-parallel
Strand 5
B
494 499anti-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
B
344 345first strand
Strand 2
B
484 489parallel
Strand 3
B
475 481anti-parallel
Strand 4
B
398 402anti-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
420 426first strand
Strand 2
B
431 436anti-parallel
Strand 3
B
444 447anti-parallel
Strand 4
B
453 455anti-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
541 542first strand
Strand 2
B
548 549anti-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
E
27 28first strand
Strand 2
E
62 63anti-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
E
99 100first strand
Strand 2
E
136 137anti-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
296 297first strand
Strand 2
C
602 604anti-parallel
Strand 3
C
594 596anti-parallel
Strand 4
C
324 328anti-parallel
Strand 5
C
494 499anti-parallel
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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
C
344 345first strand
Strand 2
C
484 489parallel
Strand 3
C
475 481anti-parallel
Strand 4
C
398 402anti-parallel
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There are 5 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
420 427first strand
Strand 2
C
430 436anti-parallel
Strand 3
C
442 447anti-parallel
Strand 4
C
453 457anti-parallel
Strand 5
C
472 473anti-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
541 542first strand
Strand 2
C
548 549anti-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
F
99 101first strand
Strand 2
F
135 137anti-parallel
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