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


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 2ARK entry

There are 6 chains in PDB entry 2ARK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER -2VAL 184
B
 ASN -1VAL 184
C
 ALA 0ASP 185
D
 SER -2VAL 184
E
 MSE 1ASP 185
F
 ALA 0VAL 184
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 49 helices in PDB entry 2ARK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
13 28Right-handed alpha
Helix 2
2
A
43 50Right-handed alpha
Helix 3
3
A
65 75Right-handed alpha
Helix 4
4
A
76 79Right-handed 310
Helix 5
5
A
100 115Right-handed alpha
Helix 6
6
A
144 166Right-handed alpha
Helix 7
7
A
171 179Right-handed alpha
Helix 8
8
A
180 183Right-handed 310
Helix 9
9
B
13 28Right-handed alpha
Helix 10
10
B
43 50Right-handed alpha
Helix 11
11
B
65 75Right-handed alpha
Helix 12
12
B
76 80Right-handed 310
Helix 13
13
B
100 115Right-handed alpha
Helix 14
14
B
144 166Right-handed alpha
Helix 15
15
B
170 178Right-handed alpha
Helix 16
16
B
179 183Right-handed 310
Helix 17
17
C
13 28Right-handed alpha
Helix 18
18
C
43 50Right-handed alpha
Helix 19
19
C
65 75Right-handed alpha
Helix 20
20
C
76 80Right-handed 310
Helix 21
21
C
100 115Right-handed alpha
Helix 22
22
C
144 166Right-handed alpha
Helix 23
23
C
169 178Right-handed alpha
Helix 24
24
C
179 183Right-handed 310
Helix 25
25
D
13 28Right-handed alpha
Helix 26
26
D
43 50Right-handed alpha
Helix 27
27
D
65 75Right-handed alpha
Helix 28
28
D
76 80Right-handed 310
Helix 29
29
D
100 115Right-handed alpha
Helix 30
30
D
144 166Right-handed alpha
Helix 31
31
D
170 178Right-handed alpha
Helix 32
32
D
179 183Right-handed 310
Helix 33
33
E
13 29Right-handed alpha
Helix 34
34
E
43 50Right-handed alpha
Helix 35
35
E
65 75Right-handed alpha
Helix 36
36
E
76 80Right-handed 310
Helix 37
37
E
100 115Right-handed alpha
Helix 38
38
E
144 166Right-handed alpha
Helix 39
39
E
170 179Right-handed alpha
Helix 40
40
E
180 183Right-handed 310
Helix 41
41
F
13 28Right-handed alpha
Helix 42
42
F
40 42Right-handed 310
Helix 43
43
F
43 50Right-handed alpha
Helix 44
44
F
65 75Right-handed alpha
Helix 45
45
F
76 80Right-handed 310
Helix 46
46
F
100 115Right-handed alpha
Helix 47
47
F
144 166Right-handed alpha
Helix 48
48
F
171 179Right-handed alpha
Helix 49
49
F
180 183Right-handed 310
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There are 18 sheets in PDB entry 2ARK. 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 5 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
32 38first strand
Strand 2
A
2 8parallel
Strand 3
A
52 58parallel
Strand 4
A
87 94parallel
Strand 5
A
118 119parallel
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There are 5 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
32 38first strand
Strand 2
A
2 8parallel
Strand 3
A
52 58parallel
Strand 4
A
87 94parallel
Strand 5
A
136 139parallel
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There are 2 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
122 127first strand
Strand 2
A
130 132anti-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
B
32 38first strand
Strand 2
B
2 8parallel
Strand 3
B
52 58parallel
Strand 4
B
87 94parallel
Strand 5
B
118 119parallel
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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
B
32 38first strand
Strand 2
B
2 8parallel
Strand 3
B
52 58parallel
Strand 4
B
87 94parallel
Strand 5
B
136 139parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
122 127first strand
Strand 2
B
130 132anti-parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
32 38first strand
Strand 2
C
2 8parallel
Strand 3
C
52 58parallel
Strand 4
C
87 94parallel
Strand 5
C
118 119parallel
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There are 5 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
32 38first strand
Strand 2
C
2 8parallel
Strand 3
C
52 58parallel
Strand 4
C
87 94parallel
Strand 5
C
136 139parallel
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There are 2 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
122 127first strand
Strand 2
C
130 132anti-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
D
32 38first strand
Strand 2
D
2 8parallel
Strand 3
D
52 58parallel
Strand 4
D
87 94parallel
Strand 5
D
118 119parallel
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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
D
32 38first strand
Strand 2
D
2 8parallel
Strand 3
D
52 58parallel
Strand 4
D
87 94parallel
Strand 5
D
136 139parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
122 127first strand
Strand 2
D
130 132anti-parallel
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There are 5 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
32 38first strand
Strand 2
E
2 8parallel
Strand 3
E
52 58parallel
Strand 4
E
87 94parallel
Strand 5
E
118 119parallel
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There are 5 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
32 38first strand
Strand 2
E
2 8parallel
Strand 3
E
52 58parallel
Strand 4
E
87 94parallel
Strand 5
E
136 139parallel
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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
E
122 127first strand
Strand 2
E
130 132anti-parallel
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There are 5 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
32 38first strand
Strand 2
F
2 8parallel
Strand 3
F
52 58parallel
Strand 4
F
87 94parallel
Strand 5
F
118 119parallel
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There are 5 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
32 38first strand
Strand 2
F
2 8parallel
Strand 3
F
52 58parallel
Strand 4
F
87 94parallel
Strand 5
F
136 139parallel
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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
F
122 127first strand
Strand 2
F
130 132anti-parallel
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