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


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 2XNK entry

There are 4 chains in PDB entry 2XNK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY -1GLU 289
B
 GLY -1PRO 288
C
 PRO 0PRO 288
D
 GLY -1PRO 288
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 54 helices in PDB entry 2XNK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
20 31Right-handed alpha
Helix 2
2
A
35 37Right-handed 310
Helix 3
3
A
43 50Right-handed alpha
Helix 4
4
A
65 75Right-handed alpha
Helix 5
5
A
80 90Right-handed alpha
Helix 6
6
A
117 131Right-handed alpha
Helix 7
7
A
153 162Right-handed alpha
Helix 8
8
A
169 181Right-handed alpha
Helix 9
9
A
191 195Right-handed 310
Helix 10
10
A
211 225Right-handed alpha
Helix 11
11
A
248 257Right-handed alpha
Helix 12
12
A
263 274Right-handed alpha
Helix 13
13
A
278 282Right-handed 310
Helix 14
14
B
20 34Right-handed alpha
Helix 15
15
B
35 37Right-handed 310
Helix 16
16
B
43 50Right-handed alpha
Helix 17
17
B
65 75Right-handed alpha
Helix 18
18
B
80 91Right-handed alpha
Helix 19
19
B
117 131Right-handed alpha
Helix 20
20
B
153 162Right-handed alpha
Helix 21
21
B
169 181Right-handed alpha
Helix 22
22
B
186 190Right-handed 310
Helix 23
23
B
192 195Right-handed 310
Helix 24
24
B
211 225Right-handed alpha
Helix 25
25
B
248 257Right-handed alpha
Helix 26
26
B
263 274Right-handed alpha
Helix 27
27
B
278 282Right-handed 310
Helix 28
28
C
20 34Right-handed alpha
Helix 29
29
C
35 37Right-handed 310
Helix 30
30
C
43 50Right-handed alpha
Helix 31
31
C
65 75Right-handed alpha
Helix 32
32
C
80 90Right-handed alpha
Helix 33
33
C
117 130Right-handed alpha
Helix 34
34
C
153 162Right-handed alpha
Helix 35
35
C
169 181Right-handed alpha
Helix 36
36
C
186 190Right-handed 310
Helix 37
37
C
192 195Right-handed 310
Helix 38
38
C
211 225Right-handed alpha
Helix 39
39
C
248 255Right-handed alpha
Helix 40
40
C
263 274Right-handed alpha
Helix 41
41
C
278 282Right-handed 310
Helix 42
42
D
20 31Right-handed alpha
Helix 43
43
D
32 34Right-handed 310
Helix 44
44
D
43 50Right-handed alpha
Helix 45
45
D
65 74Right-handed alpha
Helix 46
46
D
80 90Right-handed alpha
Helix 47
47
D
117 131Right-handed alpha
Helix 48
48
D
153 162Right-handed alpha
Helix 49
49
D
169 181Right-handed alpha
Helix 50
50
D
191 195Right-handed 310
Helix 51
51
D
211 225Right-handed alpha
Helix 52
52
D
248 257Right-handed alpha
Helix 53
53
D
263 274Right-handed alpha
Helix 54
54
D
278 282Right-handed 310
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There are 12 sheets in PDB entry 2XNK. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA, BB, BC, CA, CB, CC, A, DB, C,

There are 4 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
39 42first strand
Strand 2
A
11 14parallel
Strand 3
A
57 59parallel
Strand 4
A
78 79parallel
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There are 4 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
134 135first strand
Strand 2
A
110 114parallel
Strand 3
A
145 148parallel
Strand 4
A
166 167parallel
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There are 4 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
228 229first strand
Strand 2
A
204 207parallel
Strand 3
A
240 242parallel
Strand 4
A
260 262parallel
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There are 4 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
39 42first strand
Strand 2
B
11 14parallel
Strand 3
B
57 59parallel
Strand 4
B
77 79parallel
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There are 4 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
134 135first strand
Strand 2
B
110 114parallel
Strand 3
B
145 148parallel
Strand 4
B
166 167parallel
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There are 4 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
228 229first strand
Strand 2
B
204 207parallel
Strand 3
B
240 242parallel
Strand 4
B
260 262parallel
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There are 4 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
39 42first strand
Strand 2
C
11 14parallel
Strand 3
C
57 60parallel
Strand 4
C
77 79parallel
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There are 4 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
134 135first strand
Strand 2
C
110 114parallel
Strand 3
C
145 148parallel
Strand 4
C
166 167parallel
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There are 4 strands in CC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
228 229first strand
Strand 2
C
204 207parallel
Strand 3
C
240 242parallel
Strand 4
C
260 262parallel
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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
D
40 42first strand
Strand 2
D
11 14parallel
Strand 3
D
57 59parallel
Strand 4
D
77 79parallel
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There are 4 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
134 135first strand
Strand 2
D
110 114parallel
Strand 3
D
145 148parallel
Strand 4
D
166 167parallel
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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
D
228 229first strand
Strand 2
D
204 207parallel
Strand 3
D
240 242parallel
Strand 4
D
260 262parallel
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