Analysis of interatomic Contacts of Structural Units in PDB entry:
4AEI


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 4AEI entry

There are 9 chains in PDB entry 4AEI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 1HIS 64
B
 VAL 1HIS 64
C
 VAL 1HIS 64
H
 GLU 1ASP 221
I
 GLU 1PRO 219
J
 GLU 1VAL 218
L
 ASP 1GLU 218
M
 ASP 1ASN 217
N
 ASP 1PRO 12
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 25 helices in PDB entry 4AEI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
18 29Right-handed alpha
Helix 2
2
B
18 29Right-handed alpha
Helix 3
3
C
18 29Right-handed alpha
Helix 4
4
H
28 32Right-handed 310
Helix 5
5
H
87 91Right-handed 310
Helix 6
6
H
163 165Right-handed 310
Helix 7
7
H
207 210Right-handed 310
Helix 8
8
I
28 32Right-handed 310
Helix 9
9
I
87 91Right-handed 310
Helix 10
10
I
163 165Right-handed 310
Helix 11
11
I
207 210Right-handed 310
Helix 12
12
J
28 32Right-handed 310
Helix 13
13
J
74 76Right-handed 310
Helix 14
14
J
87 91Right-handed 310
Helix 15
15
J
163 165Right-handed 310
Helix 16
16
J
207 210Right-handed 310
Helix 17
17
L
84 88Right-handed 310
Helix 18
18
L
126 132Right-handed alpha
Helix 19
19
L
188 193Right-handed alpha
Helix 20
20
M
84 88Right-handed 310
Helix 21
21
M
126 132Right-handed alpha
Helix 22
22
M
188 192Right-handed alpha
Helix 23
23
N
84 88Right-handed 310
Helix 24
24
N
126 133Right-handed alpha
Helix 25
25
N
188 194Right-handed alpha
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There are 45 sheets in PDB entry 4AEI. Click on sheet of interest to get list of strands forming it: AA, BA, CA, HA, HB, HC, HD, HE, HF, HG, HH, IA, IB, IC, ID, IE, IF, IG, IH, JA, JB, JC, JD, JE, JF, JG, JH, LA, LB, LC, LD, LE, LF, MA, MB, MC, MD, ME, MF, NA, NB, NC, ND, NE, NF,

There are 3 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
2 5first strand
Strand 2
A
43 51anti-parallel
Strand 3
A
33 40anti-parallel
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There are 3 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
2 5first strand
Strand 2
B
43 51anti-parallel
Strand 3
B
33 40anti-parallel
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There are 3 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
2 5first strand
Strand 2
C
43 51anti-parallel
Strand 3
C
33 40anti-parallel
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There are 4 strands in HA 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
69 73anti-parallel
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There are 4 strands in HB 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
114 118parallel
Strand 3
H
92 98anti-parallel
Strand 4
H
109 110anti-parallel
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There are 6 strands in HC 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
114 118parallel
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 2 strands in HD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
109 110first strand
Strand 2
H
92 98anti-parallel
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There are 4 strands in HE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
127 131first strand
Strand 2
H
142 152anti-parallel
Strand 3
H
181 191anti-parallel
Strand 4
H
176 178parallel
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There are 4 strands in HF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
127 131first strand
Strand 2
H
142 152anti-parallel
Strand 3
H
181 191anti-parallel
Strand 4
H
170 172anti-parallel
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There are 2 strands in HG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
176 178first strand
Strand 2
H
181 191parallel
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There are 3 strands in HH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
158 161first strand
Strand 2
H
201 206anti-parallel
Strand 3
H
211 216anti-parallel
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There are 4 strands in IA 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
69 73anti-parallel
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There are 4 strands in IB 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
114 118parallel
Strand 3
I
92 98anti-parallel
Strand 4
I
109 110anti-parallel
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There are 6 strands in IC 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
114 118parallel
Strand 3
I
92 98anti-parallel
Strand 4
I
34 39anti-parallel
Strand 5
I
45 51anti-parallel
Strand 6
I
58 59anti-parallel
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There are 2 strands in ID sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
109 110first strand
Strand 2
I
92 98anti-parallel
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There are 4 strands in IE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
127 131first strand
Strand 2
I
144 152anti-parallel
Strand 3
I
181 189anti-parallel
Strand 4
I
176 178parallel
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There are 4 strands in IF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
127 131first strand
Strand 2
I
144 152anti-parallel
Strand 3
I
181 189anti-parallel
Strand 4
I
170 172anti-parallel
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There are 2 strands in IG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
176 178first strand
Strand 2
I
181 189parallel
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There are 3 strands in IH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
158 161first strand
Strand 2
I
201 206anti-parallel
Strand 3
I
211 216anti-parallel
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There are 4 strands in JA 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
18 25anti-parallel
Strand 3
J
78 83anti-parallel
Strand 4
J
69 73anti-parallel
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There are 4 strands in JB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
10 12first strand
Strand 2
J
114 118parallel
Strand 3
J
92 98anti-parallel
Strand 4
J
109 110anti-parallel
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There are 6 strands in JC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
10 12first strand
Strand 2
J
114 118parallel
Strand 3
J
92 98anti-parallel
Strand 4
J
34 39anti-parallel
Strand 5
J
45 51anti-parallel
Strand 6
J
58 59anti-parallel
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There are 2 strands in JD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
109 110first strand
Strand 2
J
92 98anti-parallel
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There are 4 strands in JE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
127 131first strand
Strand 2
J
144 152anti-parallel
Strand 3
J
182 189anti-parallel
Strand 4
J
176 177parallel
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There are 4 strands in JF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
127 131first strand
Strand 2
J
144 152anti-parallel
Strand 3
J
182 189anti-parallel
Strand 4
J
170 172anti-parallel
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There are 2 strands in JG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
176 177first strand
Strand 2
J
182 189parallel
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There are 3 strands in JH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
158 161first strand
Strand 2
J
201 206anti-parallel
Strand 3
J
211 216anti-parallel
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There are 4 strands in LA 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 72anti-parallel
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There are 4 strands in LB 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 6 strands in LC 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
49 54anti-parallel
Strand 6
L
58 59anti-parallel
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There are 2 strands in LD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
102 103first strand
Strand 2
L
89 95anti-parallel
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There are 4 strands in LE 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 LF 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
149 155anti-parallel
Strand 3
L
196 203anti-parallel
Strand 4
L
210 215anti-parallel
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There are 4 strands in MA 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 4 strands in MB 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 6 strands in MC 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 2 strands in MD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
102 103first strand
Strand 2
M
89 95anti-parallel
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There are 4 strands in ME 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 MF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
158 160first strand
Strand 2
M
150 155anti-parallel
Strand 3
M
196 203anti-parallel
Strand 4
M
206 215anti-parallel
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There are 4 strands in NA 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 4 strands in NB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
N
10 14first strand
Strand 2
N
107 112parallel
Strand 3
N
89 95anti-parallel
Strand 4
N
102 103anti-parallel
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There are 6 strands in NC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
N
10 14first strand
Strand 2
N
107 112parallel
Strand 3
N
89 95anti-parallel
Strand 4
N
38 43anti-parallel
Strand 5
N
49 54anti-parallel
Strand 6
N
58 59anti-parallel
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There are 2 strands in ND sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
N
102 103first strand
Strand 2
N
89 95anti-parallel
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There are 4 strands in NE 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 NF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
N
159 160first strand
Strand 2
N
150 155anti-parallel
Strand 3
N
196 203anti-parallel
Strand 4
N
206 215anti-parallel
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