Analysis of interatomic Contacts of Structural Units in PDB entry:
4K9P


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 4K9P entry

There are 4 chains in PDB entry 4K9P (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2PRO 526
B
 ALA 2PRO 526
C
 ALA 2SER 525
D
 ALA 2SER 525
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 are107 helices in PDB entry 4K9P. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
3 15Right-handed alpha
Helix 2
2
A
25 27Right-handed 310
Helix 3
3
A
28 33Right-handed alpha
Helix 4
4
A
46 62Right-handed alpha
Helix 5
5
A
71 78Right-handed alpha
Helix 6
6
A
78 88Right-handed alpha
Helix 7
7
A
100 105Right-handed alpha
Helix 8
8
A
114 118Right-handed 310
Helix 9
9
A
131 133Right-handed 310
Helix 10
10
A
134 148Right-handed alpha
Helix 11
11
A
168 175Right-handed 310
Helix 12
12
A
186 200Right-handed alpha
Helix 13
13
A
208 214Right-handed alpha
Helix 14
14
A
216 228Right-handed alpha
Helix 15
15
A
256 264Right-handed alpha
Helix 16
16
A
301 308Right-handed alpha
Helix 17
17
A
317 329Right-handed alpha
Helix 18
18
A
354 366Right-handed alpha
Helix 19
19
A
376 378Right-handed 310
Helix 20
20
A
379 387Right-handed alpha
Helix 21
21
A
405 417Right-handed alpha
Helix 22
22
A
429 433Right-handed 310
Helix 23
23
A
434 435Right-handed 310
Helix 24
24
A
436 444Right-handed alpha
Helix 25
25
A
458 468Right-handed alpha
Helix 26
26
A
482 490Right-handed alpha
Helix 27
27
A
499 512Right-handed alpha
Helix 28
28
B
3 15Right-handed alpha
Helix 29
29
B
25 27Right-handed 310
Helix 30
30
B
28 33Right-handed alpha
Helix 31
31
B
46 62Right-handed alpha
Helix 32
32
B
71 78Right-handed alpha
Helix 33
33
B
78 88Right-handed alpha
Helix 34
34
B
100 105Right-handed alpha
Helix 35
35
B
114 118Right-handed 310
Helix 36
36
B
131 133Right-handed 310
Helix 37
37
B
134 148Right-handed alpha
Helix 38
38
B
161 163Right-handed 310
Helix 39
39
B
168 175Right-handed 310
Helix 40
40
B
186 200Right-handed alpha
Helix 41
41
B
208 214Right-handed alpha
Helix 42
42
B
216 227Right-handed alpha
Helix 43
43
B
256 264Right-handed alpha
Helix 44
44
B
301 308Right-handed alpha
Helix 45
45
B
317 327Right-handed alpha
Helix 46
46
B
354 366Right-handed alpha
Helix 47
47
B
379 387Right-handed alpha
Helix 48
48
B
405 417Right-handed alpha
Helix 49
49
B
429 435Right-handed 310
Helix 50
50
B
436 444Right-handed alpha
Helix 51
51
B
458 468Right-handed alpha
Helix 52
52
B
482 490Right-handed alpha
Helix 53
53
B
499 512Right-handed alpha
Helix 54
54
C
3 15Right-handed alpha
Helix 55
55
C
25 27Right-handed 310
Helix 56
56
C
28 33Right-handed alpha
Helix 57
57
C
46 62Right-handed alpha
Helix 58
58
C
71 78Right-handed alpha
Helix 59
59
C
78 89Right-handed alpha
Helix 60
60
C
100 105Right-handed alpha
Helix 61
61
C
114 118Right-handed 310
Helix 62
62
C
131 133Right-handed 310
Helix 63
63
C
134 148Right-handed alpha
Helix 64
64
C
168 175Right-handed 310
Helix 65
65
C
186 200Right-handed alpha
Helix 66
66
C
208 214Right-handed alpha
Helix 67
67
C
216 228Right-handed alpha
Helix 68
68
C
256 265Right-handed alpha
Helix 69
69
C
301 308Right-handed alpha
Helix 70
70
C
317 329Right-handed alpha
Helix 71
71
C
354 366Right-handed alpha
Helix 72
72
C
376 378Right-handed 310
Helix 73
73
C
379 387Right-handed alpha
Helix 74
74
C
405 417Right-handed alpha
Helix 75
75
C
429 433Right-handed 310
Helix 76
76
C
434 435Right-handed 310
Helix 77
77
C
436 444Right-handed alpha
Helix 78
78
C
458 468Right-handed alpha
Helix 79
79
C
482 490Right-handed alpha
Helix 80
80
C
499 513Right-handed alpha
Helix 81
81
D
3 15Right-handed alpha
Helix 82
82
D
25 27Right-handed 310
Helix 83
83
D
28 33Right-handed alpha
Helix 84
84
D
46 62Right-handed alpha
Helix 85
85
D
71 78Right-handed alpha
Helix 86
86
D
78 88Right-handed alpha
Helix 87
87
D
100 105Right-handed alpha
Helix 88
88
D
114 118Right-handed 310
Helix 89
89
D
131 133Right-handed 310
Helix 90
90
D
134 148Right-handed alpha
Helix 91
91
D
161 165Right-handed 310
Helix 92
92
D
168 175Right-handed 310
Helix 93
93
D
186 200Right-handed alpha
Helix 94
94
D
208 214Right-handed alpha
Helix 95
95
D
216 228Right-handed alpha
Helix 96
96
D
256 265Right-handed alpha
Helix 97
97
D
301 308Right-handed alpha
Helix 98
98
D
317 329Right-handed alpha
Helix 99
99
D
354 366Right-handed alpha
Helix 100
100
D
376 378Right-handed 310
Helix 101
101
D
379 387Right-handed alpha
Helix 102
102
D
405 417Right-handed alpha
Helix 103
103
D
429 436Right-handed 310
Helix 104
104
D
437 444Right-handed alpha
Helix 105
105
D
458 468Right-handed alpha
Helix 106
106
D
482 490Right-handed alpha
Helix 107
107
D
499 513Right-handed alpha
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There are 14 sheets in PDB entry 4K9P. 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
40 43first strand
Strand 2
A
19 22parallel
Strand 3
A
65 70parallel
Strand 4
A
92 98parallel
Strand 5
A
154 159parallel
Strand 6
A
125 127parallel
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There are 7 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
179 180first strand
Strand 2
B
312 315parallel
Strand 3
B
294 299parallel
Strand 4
B
269 273parallel
Strand 5
B
204 207parallel
Strand 6
B
231 233parallel
Strand 7
B
249 252parallel
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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
183 185first strand
Strand 2
B
183 185anti-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
249 252first strand
Strand 2
A
231 233parallel
Strand 3
A
204 207parallel
Strand 4
A
269 273parallel
Strand 5
A
294 299parallel
Strand 6
A
312 315parallel
Strand 7
B
179 180parallel
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There are 6 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
395 397first strand
Strand 2
A
371 375parallel
Strand 3
A
422 427parallel
Strand 4
A
449 454parallel
Strand 5
A
517 522parallel
Strand 6
A
493 497parallel
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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
40 43first strand
Strand 2
B
19 22parallel
Strand 3
B
65 70parallel
Strand 4
B
92 98parallel
Strand 5
B
154 159parallel
Strand 6
B
125 127parallel
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There are 6 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
395 397first strand
Strand 2
B
371 375parallel
Strand 3
B
422 427parallel
Strand 4
B
449 454parallel
Strand 5
B
517 522parallel
Strand 6
B
493 497parallel
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There are 6 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
40 43first strand
Strand 2
C
19 22parallel
Strand 3
C
65 70parallel
Strand 4
C
92 98parallel
Strand 5
C
154 159parallel
Strand 6
C
125 127parallel
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There are 7 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
179 180first strand
Strand 2
D
312 315parallel
Strand 3
D
294 299parallel
Strand 4
D
269 273parallel
Strand 5
D
204 207parallel
Strand 6
D
231 233parallel
Strand 7
D
249 252parallel
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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
C
183 185first strand
Strand 2
D
183 185anti-parallel
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There are 7 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
249 252first strand
Strand 2
C
231 233parallel
Strand 3
C
204 207parallel
Strand 4
C
269 273parallel
Strand 5
C
294 299parallel
Strand 6
C
312 315parallel
Strand 7
D
179 180parallel
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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
395 397first strand
Strand 2
C
371 375parallel
Strand 3
C
422 427parallel
Strand 4
C
449 454parallel
Strand 5
C
517 522parallel
Strand 6
C
493 497parallel
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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
40 43first strand
Strand 2
D
19 22parallel
Strand 3
D
65 70parallel
Strand 4
D
92 98parallel
Strand 5
D
154 159parallel
Strand 6
D
126 127parallel
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There are 6 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
395 397first strand
Strand 2
D
371 375parallel
Strand 3
D
422 427parallel
Strand 4
D
449 454parallel
Strand 5
D
517 522parallel
Strand 6
D
493 497parallel
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