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


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 2XKP entry

There are 6 chains in PDB entry 2XKP (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 5SER 222
B
 ASN 6GLN 220
C
 PRO 21GLN 219
D
 GLU 5SER 222
E
 ASN 6GLN 220
F
 PRO 21GLN 219
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 44 helices in PDB entry 2XKP. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
7 13Right-handed alpha
Helix 2
2
A
75 80Right-handed 310
Helix 3
3
A
104 114Right-handed alpha
Helix 4
4
A
117 141Right-handed alpha
Helix 5
5
A
143 159Right-handed alpha
Helix 6
6
A
174 183Right-handed alpha
Helix 7
7
A
185 199Right-handed alpha
Helix 8
8
A
213 219Right-handed alpha
Helix 9
9
B
6 15Right-handed alpha
Helix 10
10
B
75 80Right-handed 310
Helix 11
11
B
104 114Right-handed alpha
Helix 12
12
B
117 141Right-handed alpha
Helix 13
13
B
143 159Right-handed alpha
Helix 14
14
B
174 183Right-handed alpha
Helix 15
15
B
185 199Right-handed alpha
Helix 16
16
B
213 220Right-handed alpha
Helix 17
17
C
104 114Right-handed alpha
Helix 18
18
C
116 141Right-handed alpha
Helix 19
19
C
143 159Right-handed alpha
Helix 20
20
C
174 183Right-handed alpha
Helix 21
21
C
185 199Right-handed alpha
Helix 22
22
C
213 219Right-handed alpha
Helix 23
23
D
7 13Right-handed alpha
Helix 24
24
D
75 80Right-handed 310
Helix 25
25
D
104 114Right-handed alpha
Helix 26
26
D
117 141Right-handed alpha
Helix 27
27
D
143 159Right-handed alpha
Helix 28
28
D
174 183Right-handed alpha
Helix 29
29
D
185 199Right-handed alpha
Helix 30
30
D
213 219Right-handed alpha
Helix 31
31
E
6 15Right-handed alpha
Helix 32
32
E
75 80Right-handed 310
Helix 33
33
E
104 114Right-handed alpha
Helix 34
34
E
117 141Right-handed alpha
Helix 35
35
E
143 159Right-handed alpha
Helix 36
36
E
174 183Right-handed alpha
Helix 37
37
E
185 199Right-handed alpha
Helix 38
38
E
213 220Right-handed alpha
Helix 39
39
F
104 114Right-handed alpha
Helix 40
40
F
116 141Right-handed alpha
Helix 41
41
F
143 159Right-handed alpha
Helix 42
42
F
174 183Right-handed alpha
Helix 43
43
F
185 199Right-handed alpha
Helix 44
44
F
213 219Right-handed alpha
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There are 18 sheets in PDB entry 2XKP. Click on sheet of interest to get list of strands forming it: AA, AB, AC, BA, BB, BC, CA, CB, CC, A, DB, C, EA, EB, EC, FA, FB, FC,

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
25 27first strand
Strand 2
A
97 103anti-parallel
Strand 3
A
42 48anti-parallel
Strand 4
A
72 74anti-parallel
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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
32 34first strand
Strand 2
A
90 93anti-parallel
Strand 3
A
51 56anti-parallel
Strand 4
A
62 68anti-parallel
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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
160 163first strand
Strand 2
A
166 169anti-parallel
Strand 3
A
208 212anti-parallel
Strand 4
A
202 205anti-parallel
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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
25 27first strand
Strand 2
B
97 103anti-parallel
Strand 3
B
42 48anti-parallel
Strand 4
B
72 74anti-parallel
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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
32 34first strand
Strand 2
B
90 93anti-parallel
Strand 3
B
51 56anti-parallel
Strand 4
B
62 68anti-parallel
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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
160 163first strand
Strand 2
B
166 169anti-parallel
Strand 3
B
208 212anti-parallel
Strand 4
B
202 205anti-parallel
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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
23 27first strand
Strand 2
C
97 103anti-parallel
Strand 3
C
42 48anti-parallel
Strand 4
C
72 74anti-parallel
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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
32 34first strand
Strand 2
C
90 93anti-parallel
Strand 3
C
51 56anti-parallel
Strand 4
C
62 68anti-parallel
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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
160 163first strand
Strand 2
C
166 169anti-parallel
Strand 3
C
208 212anti-parallel
Strand 4
C
202 205anti-parallel
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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
25 27first strand
Strand 2
D
97 103anti-parallel
Strand 3
D
42 48anti-parallel
Strand 4
D
72 74anti-parallel
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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
32 34first strand
Strand 2
D
90 93anti-parallel
Strand 3
D
51 56anti-parallel
Strand 4
D
62 68anti-parallel
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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
160 163first strand
Strand 2
D
166 169anti-parallel
Strand 3
D
208 212anti-parallel
Strand 4
D
202 205anti-parallel
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There are 4 strands in EA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
25 27first strand
Strand 2
E
97 103anti-parallel
Strand 3
E
42 48anti-parallel
Strand 4
E
72 74anti-parallel
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There are 4 strands in EB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
32 34first strand
Strand 2
E
90 93anti-parallel
Strand 3
E
51 56anti-parallel
Strand 4
E
62 68anti-parallel
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There are 4 strands in EC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
160 163first strand
Strand 2
E
166 169anti-parallel
Strand 3
E
208 212anti-parallel
Strand 4
E
202 205anti-parallel
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There are 4 strands in FA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
23 27first strand
Strand 2
F
97 103anti-parallel
Strand 3
F
42 48anti-parallel
Strand 4
F
72 74anti-parallel
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There are 4 strands in FB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
32 34first strand
Strand 2
F
90 93anti-parallel
Strand 3
F
51 56anti-parallel
Strand 4
F
62 68anti-parallel
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There are 4 strands in FC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
160 163first strand
Strand 2
F
166 169anti-parallel
Strand 3
F
208 212anti-parallel
Strand 4
F
202 205anti-parallel
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