Analysis of interatomic Contacts of Structural Units in PDB entry:
1K1X


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 1K1X entry

There are 2 chains in PDB entry 1K1X (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LEU 659
B
 GLU 2LEU 659
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 58 helices in PDB entry 1K1X. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
19 30Right-handed alpha
Helix 2
2
A
30 39Right-handed alpha
Helix 3
3
A
51 62Right-handed alpha
Helix 4
4
A
62 75Right-handed alpha
Helix 5
5
A
89 93Right-handed 310
Helix 6
6
A
94 112Right-handed alpha
Helix 7
7
A
122 125Right-handed 310
Helix 8
8
A
129 137Right-handed alpha
Helix 9
9
A
146 153Right-handed alpha
Helix 10
10
A
155 159Right-handed 310
Helix 11
11
A
178 185Right-handed alpha
Helix 12
12
A
189 199Right-handed alpha
Helix 13
13
A
216 218Right-handed 310
Helix 14
14
A
223 229Right-handed alpha
Helix 15
15
A
232 244Right-handed alpha
Helix 16
16
A
251 259Right-handed alpha
Helix 17
17
A
273 279Right-handed alpha
Helix 18
18
A
281 297Right-handed alpha
Helix 19
19
A
304 308Right-handed 310
Helix 20
20
A
312 314Right-handed 310
Helix 21
21
A
315 320Right-handed alpha
Helix 22
22
A
320 338Right-handed alpha
Helix 23
23
A
340 351Right-handed alpha
Helix 24
24
A
352 357Right-handed 310
Helix 25
25
A
362 365Right-handed 310
Helix 26
26
A
366 382Right-handed alpha
Helix 27
27
A
471 476Right-handed alpha
Helix 28
28
A
498 504Right-handed alpha
Helix 29
29
B
19 30Right-handed alpha
Helix 30
30
B
30 41Right-handed alpha
Helix 31
31
B
51 62Right-handed alpha
Helix 32
32
B
62 75Right-handed alpha
Helix 33
33
B
89 93Right-handed 310
Helix 34
34
B
94 113Right-handed alpha
Helix 35
35
B
122 125Right-handed 310
Helix 36
36
B
129 137Right-handed alpha
Helix 37
37
B
146 153Right-handed alpha
Helix 38
38
B
155 159Right-handed 310
Helix 39
39
B
178 185Right-handed alpha
Helix 40
40
B
189 201Right-handed alpha
Helix 41
41
B
216 218Right-handed 310
Helix 42
42
B
223 229Right-handed alpha
Helix 43
43
B
232 242Right-handed alpha
Helix 44
44
B
251 259Right-handed alpha
Helix 45
45
B
272 279Right-handed alpha
Helix 46
46
B
281 298Right-handed alpha
Helix 47
47
B
300 305Right-handed alpha
Helix 48
48
B
306 308Right-handed 310
Helix 49
49
B
312 314Right-handed 310
Helix 50
50
B
315 320Right-handed alpha
Helix 51
51
B
320 337Right-handed alpha
Helix 52
52
B
340 350Right-handed alpha
Helix 53
53
B
351 357Right-handed 310
Helix 54
54
B
362 365Right-handed 310
Helix 55
55
B
366 382Right-handed alpha
Helix 56
56
B
441 445Right-handed 310
Helix 57
57
B
474 478Right-handed 310
Helix 58
58
B
498 504Right-handed alpha
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There are 13 sheets in PDB entry 1K1X. 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,

There are 4 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
208 214first strand
Strand 2
A
4 12parallel
Strand 3
A
46 50parallel
Strand 4
A
78 81parallel
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There are 3 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
208 214first strand
Strand 2
A
4 12parallel
Strand 3
A
247 249parallel
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There are 4 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
118 120first strand
Strand 2
A
141 145parallel
Strand 3
A
170 177parallel
Strand 4
A
163 167anti-parallel
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There are 5 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
389 391first strand
Strand 2
A
400 404anti-parallel
Strand 3
A
408 412anti-parallel
Strand 4
A
420 425anti-parallel
Strand 5
A
430 431anti-parallel
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There are 5 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
487 493first strand
Strand 2
A
570 578anti-parallel
Strand 3
A
630 646anti-parallel
Strand 4
A
604 627anti-parallel
Strand 5
A
588 599anti-parallel
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There are 9 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
487 493first strand
Strand 2
A
570 578anti-parallel
Strand 3
A
630 646anti-parallel
Strand 4
A
604 627anti-parallel
Strand 5
A
649 658anti-parallel
Strand 6
A
555 564anti-parallel
Strand 7
A
540 552anti-parallel
Strand 8
A
526 536anti-parallel
Strand 9
A
519 523anti-parallel
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There are 4 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
208 214first strand
Strand 2
B
4 12parallel
Strand 3
B
46 50parallel
Strand 4
B
78 81parallel
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There are 3 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
208 214first strand
Strand 2
B
4 12parallel
Strand 3
B
247 249parallel
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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
118 120first strand
Strand 2
B
141 145parallel
Strand 3
B
170 177parallel
Strand 4
B
163 167anti-parallel
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There are 5 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
389 391first strand
Strand 2
B
400 404anti-parallel
Strand 3
B
408 412anti-parallel
Strand 4
B
420 425anti-parallel
Strand 5
B
430 431anti-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
487 493first strand
Strand 2
B
570 578anti-parallel
Strand 3
B
631 646anti-parallel
Strand 4
B
604 626anti-parallel
Strand 5
B
588 599anti-parallel
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There are 9 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
487 493first strand
Strand 2
B
570 578anti-parallel
Strand 3
B
631 646anti-parallel
Strand 4
B
604 626anti-parallel
Strand 5
B
649 658anti-parallel
Strand 6
B
555 564anti-parallel
Strand 7
B
543 552anti-parallel
Strand 8
B
526 532anti-parallel
Strand 9
B
519 522anti-parallel
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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
535 536first strand
Strand 2
B
540 541anti-parallel
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