Analysis of interatomic Contacts of Structural Units in PDB entry:
2AI0


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 2AI0 entry

There are 8 chains in PDB entry 2AI0 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 ASP 1ASN 217
H
 ASP 1ASP 224
M
 ASP 1ASN 217
I
 ASP 1ARG 223
N
 ASP 1ARG 216
J
 ASP 1ARG 223
O
 ASP 1ASN 217
K
 ASP 1ARG 223
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 30 helices in PDB entry 2AI0. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
L
84 88Right-handed 310
Helix 2
2
L
126 132Right-handed alpha
Helix 3
3
L
188 193Right-handed alpha
Helix 4
4
H
28 32Right-handed 310
Helix 5
5
H
74 76Right-handed 310
Helix 6
6
H
87 91Right-handed 310
Helix 7
7
H
166 168Right-handed 310
Helix 8
8
H
210 213Right-handed 310
Helix 9
9
M
84 88Right-handed 310
Helix 10
10
M
126 131Right-handed alpha
Helix 11
11
M
188 193Right-handed alpha
Helix 12
12
I
28 32Right-handed 310
Helix 13
13
I
87 91Right-handed 310
Helix 14
14
I
166 168Right-handed 310
Helix 15
15
N
84 88Right-handed 310
Helix 16
16
N
126 131Right-handed alpha
Helix 17
17
N
188 193Right-handed alpha
Helix 18
18
J
28 32Right-handed 310
Helix 19
19
J
61 65Right-handed 310
Helix 20
20
J
87 91Right-handed 310
Helix 21
21
J
166 168Right-handed 310
Helix 22
22
J
210 213Right-handed 310
Helix 23
23
O
84 88Right-handed 310
Helix 24
24
O
126 131Right-handed alpha
Helix 25
25
O
188 194Right-handed alpha
Helix 26
26
K
28 32Right-handed 310
Helix 27
27
K
74 76Right-handed 310
Helix 28
28
K
87 91Right-handed 310
Helix 29
29
K
166 168Right-handed 310
Helix 30
30
K
210 212Right-handed 310
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There are 42 sheets in PDB entry 2AI0. 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, S, T, U, V, W, X, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP,

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
L
4 7first strand
Strand 2
L
19 25anti-parallel
Strand 3
L
75 80anti-parallel
Strand 4
L
67 71anti-parallel
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There are 6 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
10 13first strand
Strand 2
L
107 111parallel
Strand 3
L
89 95anti-parallel
Strand 4
L
38 43anti-parallel
Strand 5
L
50 54anti-parallel
Strand 6
L
58 59anti-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
L
10 13first strand
Strand 2
L
107 111parallel
Strand 3
L
89 95anti-parallel
Strand 4
L
102 103anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
119 123first strand
Strand 2
L
134 144anti-parallel
Strand 3
L
178 187anti-parallel
Strand 4
L
164 168anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
158 160first strand
Strand 2
L
150 155anti-parallel
Strand 3
L
196 202anti-parallel
Strand 4
L
210 215anti-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
H
3 7first strand
Strand 2
H
18 25anti-parallel
Strand 3
H
78 83anti-parallel
Strand 4
H
68 73anti-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
H
11 12first strand
Strand 2
H
117 121parallel
Strand 3
H
92 98anti-parallel
Strand 4
H
34 39anti-parallel
Strand 5
H
45 51anti-parallel
Strand 6
H
58 59anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
11 12first strand
Strand 2
H
117 121parallel
Strand 3
H
92 98anti-parallel
Strand 4
H
112 113anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
130 134first strand
Strand 2
H
145 155anti-parallel
Strand 3
H
184 194anti-parallel
Strand 4
H
173 175anti-parallel
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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
H
130 134first strand
Strand 2
H
145 155anti-parallel
Strand 3
H
184 194anti-parallel
Strand 4
H
179 181anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
161 164first strand
Strand 2
H
204 209anti-parallel
Strand 3
H
214 219anti-parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
4 7first strand
Strand 2
M
19 25anti-parallel
Strand 3
M
75 80anti-parallel
Strand 4
M
67 72anti-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
M
10 13first strand
Strand 2
M
107 111parallel
Strand 3
M
89 95anti-parallel
Strand 4
M
38 43anti-parallel
Strand 5
M
50 54anti-parallel
Strand 6
M
58 59anti-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
M
10 13first strand
Strand 2
M
107 111parallel
Strand 3
M
89 95anti-parallel
Strand 4
M
102 103anti-parallel
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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
119 123first strand
Strand 2
M
134 144anti-parallel
Strand 3
M
178 187anti-parallel
Strand 4
M
164 168anti-parallel
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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
158 159first strand
Strand 2
M
150 155anti-parallel
Strand 3
M
196 202anti-parallel
Strand 4
M
210 215anti-parallel
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There are 4 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
3 7first strand
Strand 2
I
18 25anti-parallel
Strand 3
I
78 83anti-parallel
Strand 4
I
68 73anti-parallel
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There are 6 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
11 12first strand
Strand 2
I
117 121parallel
Strand 3
I
92 99anti-parallel
Strand 4
I
33 39anti-parallel
Strand 5
I
45 51anti-parallel
Strand 6
I
58 59anti-parallel
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There are 4 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
130 134first strand
Strand 2
I
145 155anti-parallel
Strand 3
I
185 194anti-parallel
Strand 4
I
173 175anti-parallel
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There are 4 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
130 134first strand
Strand 2
I
145 155anti-parallel
Strand 3
I
185 194anti-parallel
Strand 4
I
179 180anti-parallel
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There are 6 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
161 164first strand
Strand 2
I
204 209anti-parallel
Strand 3
I
214 219anti-parallel
Strand 4
K
214 219anti-parallel
Strand 5
K
204 209anti-parallel
Strand 6
K
161 164anti-parallel
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There are 4 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
N
4 7first strand
Strand 2
N
19 25anti-parallel
Strand 3
N
75 80anti-parallel
Strand 4
N
67 72anti-parallel
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There are 6 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
N
10 13first strand
Strand 2
N
107 111parallel
Strand 3
N
89 95anti-parallel
Strand 4
N
38 43anti-parallel
Strand 5
N
50 54anti-parallel
Strand 6
N
58 59anti-parallel
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There are 4 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
N
10 13first strand
Strand 2
N
107 111parallel
Strand 3
N
89 95anti-parallel
Strand 4
N
102 103anti-parallel
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There are 4 strands in Y sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
N
119 123first strand
Strand 2
N
134 144anti-parallel
Strand 3
N
178 187anti-parallel
Strand 4
N
164 168anti-parallel
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There are 4 strands in Z sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
N
158 160first strand
Strand 2
N
150 155anti-parallel
Strand 3
N
196 202anti-parallel
Strand 4
N
210 215anti-parallel
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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
J
3 7first strand
Strand 2
J
17 25anti-parallel
Strand 3
J
78 84anti-parallel
Strand 4
J
68 73anti-parallel
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There are 6 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
11 12first strand
Strand 2
J
117 121parallel
Strand 3
J
92 101anti-parallel
Strand 4
J
33 39anti-parallel
Strand 5
J
45 51anti-parallel
Strand 6
J
58 59anti-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
J
11 12first strand
Strand 2
J
117 121parallel
Strand 3
J
92 101anti-parallel
Strand 4
J
104 113anti-parallel
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There are 4 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
130 134first strand
Strand 2
J
145 155anti-parallel
Strand 3
J
184 194anti-parallel
Strand 4
J
173 175anti-parallel
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There are 4 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
130 134first strand
Strand 2
J
145 155anti-parallel
Strand 3
J
184 194anti-parallel
Strand 4
J
179 181anti-parallel
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There are 3 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
161 164first strand
Strand 2
J
204 209anti-parallel
Strand 3
J
214 219anti-parallel
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There are 4 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
O
4 7first strand
Strand 2
O
19 25anti-parallel
Strand 3
O
75 80anti-parallel
Strand 4
O
67 72anti-parallel
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There are 6 strands in AH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
O
10 13first strand
Strand 2
O
107 111parallel
Strand 3
O
89 95anti-parallel
Strand 4
O
38 43anti-parallel
Strand 5
O
50 54anti-parallel
Strand 6
O
58 59anti-parallel
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There are 4 strands in AI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
O
10 13first strand
Strand 2
O
107 111parallel
Strand 3
O
89 95anti-parallel
Strand 4
O
102 103anti-parallel
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There are 4 strands in AJ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
O
119 123first strand
Strand 2
O
134 144anti-parallel
Strand 3
O
178 187anti-parallel
Strand 4
O
164 168anti-parallel
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There are 4 strands in AK sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
O
158 160first strand
Strand 2
O
150 155anti-parallel
Strand 3
O
196 202anti-parallel
Strand 4
O
210 215anti-parallel
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There are 4 strands in AL sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
3 7first strand
Strand 2
K
18 25anti-parallel
Strand 3
K
78 83anti-parallel
Strand 4
K
69 73anti-parallel
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There are 6 strands in AM sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
10 12first strand
Strand 2
K
117 121parallel
Strand 3
K
92 99anti-parallel
Strand 4
K
34 39anti-parallel
Strand 5
K
45 51anti-parallel
Strand 6
K
58 59anti-parallel
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There are 4 strands in AN sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
10 12first strand
Strand 2
K
117 121parallel
Strand 3
K
92 99anti-parallel
Strand 4
K
110 113anti-parallel
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There are 4 strands in AO sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
130 134first strand
Strand 2
K
145 155anti-parallel
Strand 3
K
184 194anti-parallel
Strand 4
K
173 175anti-parallel
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There are 4 strands in AP sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
130 134first strand
Strand 2
K
145 155anti-parallel
Strand 3
K
184 194anti-parallel
Strand 4
K
179 181anti-parallel
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