Analysis of interatomic Contacts of Structural Units in PDB entry:
2RKA


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 2RKA entry

There are 2 chains in PDB entry 2RKA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 4MET 622
C
 GLN 4MET 622
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 2RKA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
11 13Right-handed 310
Helix 2
2
A
19 23Right-handed 310
Helix 3
3
A
24 39Right-handed alpha
Helix 4
4
A
49 63Right-handed alpha
Helix 5
5
A
88 90Right-handed 310
Helix 6
6
A
98 103Right-handed alpha
Helix 7
7
A
118 128Right-handed alpha
Helix 8
8
A
163 174Right-handed alpha
Helix 9
9
A
177 185Right-handed alpha
Helix 10
10
A
213 217Right-handed 310
Helix 11
11
A
223 225Right-handed 310
Helix 12
12
A
235 240Right-handed alpha
Helix 13
13
A
248 259Right-handed alpha
Helix 14
14
A
289 295Right-handed alpha
Helix 15
15
A
344 351Right-handed alpha
Helix 16
16
A
411 413Right-handed 310
Helix 17
17
A
449 460Right-handed alpha
Helix 18
18
A
479 482Right-handed 310
Helix 19
19
A
489 500Right-handed alpha
Helix 20
20
A
501 503Right-handed 310
Helix 21
21
A
529 532Right-handed 310
Helix 22
22
A
533 545Right-handed alpha
Helix 23
23
A
573 579Right-handed alpha
Helix 24
24
A
581 600Right-handed alpha
Helix 25
25
A
601 604Right-handed 310
Helix 26
26
A
605 621Right-handed alpha
Helix 27
27
C
11 13Right-handed 310
Helix 28
28
C
24 39Right-handed alpha
Helix 29
29
C
49 63Right-handed alpha
Helix 30
30
C
88 90Right-handed 310
Helix 31
31
C
98 102Right-handed 310
Helix 32
32
C
118 128Right-handed alpha
Helix 33
33
C
163 174Right-handed alpha
Helix 34
34
C
177 185Right-handed alpha
Helix 35
35
C
213 217Right-handed 310
Helix 36
36
C
235 240Right-handed alpha
Helix 37
37
C
248 259Right-handed alpha
Helix 38
38
C
289 295Right-handed alpha
Helix 39
39
C
344 351Right-handed alpha
Helix 40
40
C
411 413Right-handed 310
Helix 41
41
C
449 459Right-handed alpha
Helix 42
42
C
479 482Right-handed 310
Helix 43
43
C
489 500Right-handed alpha
Helix 44
44
C
501 503Right-handed 310
Helix 45
45
C
529 532Right-handed 310
Helix 46
46
C
533 546Right-handed alpha
Helix 47
47
C
573 578Right-handed alpha
Helix 48
48
C
581 600Right-handed alpha
Helix 49
49
C
601 604Right-handed 310
Helix 50
50
C
605 621Right-handed alpha
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There are 16 sheets in PDB entry 2RKA. 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 9 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
15 17first strand
Strand 2
A
42 45parallel
Strand 3
A
138 146parallel
Strand 4
A
155 161anti-parallel
Strand 5
A
190 195parallel
Strand 6
A
227 231parallel
Strand 7
A
218 222anti-parallel
Strand 8
A
92 95parallel
Strand 9
A
116 117parallel
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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
15 17first strand
Strand 2
A
42 45parallel
Strand 3
A
138 146parallel
Strand 4
A
175 176anti-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
67 69first strand
Strand 2
A
75 78anti-parallel
Strand 3
A
356 358parallel
Strand 4
A
405 409anti-parallel
Strand 5
A
331 335anti-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
261 263first strand
Strand 2
A
313 317anti-parallel
Strand 3
A
323 326anti-parallel
Strand 4
A
426 434anti-parallel
Strand 5
A
277 283parallel
Strand 6
A
266 271anti-parallel
Strand 7
A
304 309anti-parallel
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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
261 263first strand
Strand 2
A
313 317anti-parallel
Strand 3
A
323 326anti-parallel
Strand 4
A
426 434anti-parallel
Strand 5
A
510 514parallel
Strand 6
A
444 446anti-parallel
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There are 4 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
368 369first strand
Strand 2
A
361 363anti-parallel
Strand 3
A
383 384anti-parallel
Strand 4
A
390 391anti-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
461 463first strand
Strand 2
A
475 477anti-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
550 553first strand
Strand 2
A
556 559anti-parallel
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There are 9 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
15 17first strand
Strand 2
C
42 45parallel
Strand 3
C
138 146parallel
Strand 4
C
155 161anti-parallel
Strand 5
C
190 195parallel
Strand 6
C
227 231parallel
Strand 7
C
218 222anti-parallel
Strand 8
C
92 95parallel
Strand 9
C
116 117parallel
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There are 4 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
15 17first strand
Strand 2
C
42 45parallel
Strand 3
C
138 146parallel
Strand 4
C
175 176anti-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
C
67 68first strand
Strand 2
C
76 78anti-parallel
Strand 3
C
356 358parallel
Strand 4
C
405 409anti-parallel
Strand 5
C
331 335anti-parallel
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There are 7 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
261 263first strand
Strand 2
C
313 317anti-parallel
Strand 3
C
323 326anti-parallel
Strand 4
C
426 434anti-parallel
Strand 5
C
277 283parallel
Strand 6
C
266 271anti-parallel
Strand 7
C
304 309anti-parallel
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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
C
261 263first strand
Strand 2
C
313 317anti-parallel
Strand 3
C
323 326anti-parallel
Strand 4
C
426 434anti-parallel
Strand 5
C
510 514parallel
Strand 6
C
444 446anti-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
368 369first strand
Strand 2
C
361 363anti-parallel
Strand 3
C
383 384anti-parallel
Strand 4
C
390 391anti-parallel
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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
C
461 464first strand
Strand 2
C
474 477anti-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
550 553first strand
Strand 2
C
556 559anti-parallel
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