Analysis of interatomic Contacts of Structural Units in PDB entry:
2A7K


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 2A7K entry

There are 6 chains in PDB entry 2A7K (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LYS 230
B
 MET 1LYS 230
C
 MET 1ALA 238
D
 MET 1LYS 230
E
 MET 1ARG 236
F
 MET 1ALA 142
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 89 helices in PDB entry 2A7K. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 42Right-handed alpha
Helix 2
2
A
63 69Right-handed alpha
Helix 3
3
A
72 92Right-handed alpha
Helix 4
4
A
107 114Right-handed alpha
Helix 5
5
A
130 135Right-handed 310
Helix 6
6
A
138 150Right-handed alpha
Helix 7
7
A
150 161Right-handed alpha
Helix 8
8
A
165 172Right-handed alpha
Helix 9
9
A
180 197Right-handed alpha
Helix 10
10
A
199 229Right-handed alpha
Helix 11
11
B
25 42Right-handed alpha
Helix 12
12
B
63 70Right-handed alpha
Helix 13
13
B
72 92Right-handed alpha
Helix 14
14
B
107 114Right-handed alpha
Helix 15
15
B
130 135Right-handed 310
Helix 16
16
B
138 150Right-handed alpha
Helix 17
17
B
150 161Right-handed alpha
Helix 18
18
B
165 172Right-handed alpha
Helix 19
19
B
180 197Right-handed alpha
Helix 20
20
B
199 229Right-handed alpha
Helix 21
21
C
25 42Right-handed alpha
Helix 22
22
C
63 70Right-handed alpha
Helix 23
23
C
72 92Right-handed alpha
Helix 24
24
C
107 114Right-handed alpha
Helix 25
25
C
130 135Right-handed 310
Helix 26
26
C
138 150Right-handed alpha
Helix 27
27
C
150 161Right-handed alpha
Helix 28
28
C
165 172Right-handed alpha
Helix 29
29
C
180 197Right-handed alpha
Helix 30
30
C
199 238Right-handed alpha
Helix 31
31
D
25 42Right-handed alpha
Helix 32
32
D
63 70Right-handed alpha
Helix 33
33
D
73 92Right-handed alpha
Helix 34
34
D
107 114Right-handed alpha
Helix 35
35
D
130 135Right-handed 310
Helix 36
36
D
138 150Right-handed alpha
Helix 37
37
D
150 161Right-handed alpha
Helix 38
38
D
166 172Right-handed alpha
Helix 39
39
D
180 197Right-handed alpha
Helix 40
40
D
199 230Right-handed alpha
Helix 41
41
E
25 42Right-handed alpha
Helix 42
42
E
63 70Right-handed alpha
Helix 43
43
E
72 92Right-handed alpha
Helix 44
44
E
107 114Right-handed alpha
Helix 45
45
E
130 135Right-handed 310
Helix 46
46
E
138 150Right-handed alpha
Helix 47
47
E
150 161Right-handed alpha
Helix 48
48
E
166 172Right-handed alpha
Helix 49
49
E
180 197Right-handed alpha
Helix 50
50
E
199 236Right-handed alpha
Helix 51
51
F
25 42Right-handed alpha
Helix 52
52
F
63 70Right-handed alpha
Helix 53
53
F
72 92Right-handed alpha
Helix 54
54
F
107 114Right-handed alpha
Helix 55
55
F
131 135Right-handed 310
Helix 56
56
F
138 150Right-handed alpha
Helix 57
57
F
150 161Right-handed alpha
Helix 58
58
F
166 172Right-handed alpha
Helix 59
59
F
180 197Right-handed alpha
Helix 60
60
F
199 226Right-handed alpha
Helix 61
61
G
25 42Right-handed alpha
Helix 62
62
G
72 92Right-handed alpha
Helix 63
63
G
107 114Right-handed alpha
Helix 64
64
G
130 135Right-handed 310
Helix 65
65
G
138 150Right-handed alpha
Helix 66
66
G
150 161Right-handed alpha
Helix 67
67
G
165 172Right-handed alpha
Helix 68
68
G
180 197Right-handed alpha
Helix 69
69
G
199 229Right-handed alpha
Helix 70
70
H
25 42Right-handed alpha
Helix 71
71
H
63 68Right-handed alpha
Helix 72
72
H
72 92Right-handed alpha
Helix 73
73
H
107 114Right-handed alpha
Helix 74
74
H
131 135Right-handed 310
Helix 75
75
H
138 150Right-handed alpha
Helix 76
76
H
150 161Right-handed alpha
Helix 77
77
H
166 172Right-handed alpha
Helix 78
78
H
180 197Right-handed alpha
Helix 79
79
H
199 229Right-handed alpha
Helix 80
80
I
25 42Right-handed alpha
Helix 81
81
I
63 69Right-handed alpha
Helix 82
82
I
72 92Right-handed alpha
Helix 83
83
I
107 114Right-handed alpha
Helix 84
84
I
130 135Right-handed 310
Helix 85
85
I
138 150Right-handed alpha
Helix 86
86
I
150 161Right-handed alpha
Helix 87
87
I
165 173Right-handed alpha
Helix 88
88
I
180 197Right-handed alpha
Helix 89
89
I
199 227Right-handed alpha
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There are 18 sheets in PDB entry 2A7K. 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, Q, R,

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
2 7first strand
Strand 2
A
10 15anti-parallel
Strand 3
A
47 51parallel
Strand 4
A
97 101parallel
Strand 5
A
118 122parallel
Strand 6
A
177 179parallel
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There are 2 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
104 106first strand
Strand 2
A
126 128parallel
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There are 6 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
2 7first strand
Strand 2
B
10 15anti-parallel
Strand 3
B
47 51parallel
Strand 4
B
97 101parallel
Strand 5
B
118 122parallel
Strand 6
B
177 179parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
104 106first strand
Strand 2
B
126 128parallel
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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
C
2 7first strand
Strand 2
C
10 15anti-parallel
Strand 3
C
47 51parallel
Strand 4
C
97 101parallel
Strand 5
C
118 122parallel
Strand 6
C
177 179parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
104 106first strand
Strand 2
C
126 128parallel
Strand 3
C
163 164anti-parallel
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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
D
2 7first strand
Strand 2
D
10 15anti-parallel
Strand 3
D
47 51parallel
Strand 4
D
97 101parallel
Strand 5
D
118 122parallel
Strand 6
D
177 179parallel
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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
D
104 106first strand
Strand 2
D
126 128parallel
Strand 3
D
164 165anti-parallel
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There are 6 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
2 7first strand
Strand 2
E
10 15anti-parallel
Strand 3
E
47 51parallel
Strand 4
E
97 101parallel
Strand 5
E
118 122parallel
Strand 6
E
177 179parallel
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There are 3 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
104 106first strand
Strand 2
E
126 128parallel
Strand 3
E
164 165anti-parallel
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There are 6 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
2 7first strand
Strand 2
F
10 15anti-parallel
Strand 3
F
47 51parallel
Strand 4
F
97 101parallel
Strand 5
F
118 122parallel
Strand 6
F
177 179parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
104 106first strand
Strand 2
F
126 128parallel
Strand 3
F
164 165anti-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
G
2 7first strand
Strand 2
G
10 15anti-parallel
Strand 3
G
47 51parallel
Strand 4
G
97 101parallel
Strand 5
G
118 122parallel
Strand 6
G
177 179parallel
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There are 2 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
104 106first strand
Strand 2
G
126 128parallel
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There are 6 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
2 7first strand
Strand 2
H
10 15anti-parallel
Strand 3
H
47 51parallel
Strand 4
H
97 101parallel
Strand 5
H
118 122parallel
Strand 6
H
177 179parallel
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There are 3 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
104 106first strand
Strand 2
H
126 128parallel
Strand 3
H
163 165anti-parallel
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There are 6 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
2 7first strand
Strand 2
I
10 15anti-parallel
Strand 3
I
47 51parallel
Strand 4
I
97 101parallel
Strand 5
I
118 122parallel
Strand 6
I
177 179parallel
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There are 2 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
104 106first strand
Strand 2
I
126 128parallel
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