Analysis of interatomic Contacts of Structural Units in PDB entry:
4O51


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 4O51 entry

There are 10 chains in PDB entry 4O51 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 VAL 2GLU 215
H
 SER 2PRO 214
M
 ALA 231GLY 236
A
 VAL 2GLU 215
B
 SER 2PRO 214
N
 ALA 231GLY 236
C
 VAL 2GLU 215
D
 SER 2PRO 214
O
 ALA 231GLY 236
E
 VAL 2TRP 36
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 28 helices in PDB entry 4O51. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
L
28 32Right-handed 310
Helix 2
2
L
80 84Right-handed 310
Helix 3
3
L
123 129Right-handed alpha
Helix 4
4
L
185 189Right-handed alpha
Helix 5
5
H
84 88Right-handed 310
Helix 6
6
H
157 159Right-handed 310
Helix 7
7
H
186 190Right-handed 310
Helix 8
8
A
28 32Right-handed 310
Helix 9
9
A
80 84Right-handed 310
Helix 10
10
A
123 130Right-handed alpha
Helix 11
11
A
185 189Right-handed alpha
Helix 12
12
B
84 88Right-handed 310
Helix 13
13
B
157 159Right-handed 310
Helix 14
14
B
188 190Right-handed 310
Helix 15
15
B
202 205Right-handed 310
Helix 16
16
C
28 32Right-handed 310
Helix 17
17
C
80 84Right-handed 310
Helix 18
18
C
123 130Right-handed alpha
Helix 19
19
C
185 189Right-handed alpha
Helix 20
20
D
84 88Right-handed 310
Helix 21
21
D
188 190Right-handed 310
Helix 22
22
E
28 32Right-handed 310
Helix 23
23
E
80 84Right-handed 310
Helix 24
24
E
123 129Right-handed alpha
Helix 25
25
E
185 189Right-handed alpha
Helix 26
26
F
84 88Right-handed 310
Helix 27
27
F
157 159Right-handed 310
Helix 28
28
F
188 190Right-handed 310
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There are 44 sheets in PDB entry 4O51. 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, AQ, AR,

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
3 4first strand
Strand 2
L
17 24anti-parallel
Strand 3
L
71 77anti-parallel
Strand 4
L
63 68anti-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
9 13first strand
Strand 2
L
104 109parallel
Strand 3
L
86 92anti-parallel
Strand 4
L
34 39anti-parallel
Strand 5
L
46 50anti-parallel
Strand 6
L
54 55anti-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
9 13first strand
Strand 2
L
104 109parallel
Strand 3
L
86 92anti-parallel
Strand 4
L
98 100anti-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
116 120first strand
Strand 2
L
131 141anti-parallel
Strand 3
L
175 184anti-parallel
Strand 4
L
161 165anti-parallel
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There are 3 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
147 152first strand
Strand 2
L
193 199anti-parallel
Strand 3
L
207 212anti-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
2 6first strand
Strand 2
H
17 24anti-parallel
Strand 3
H
75 80anti-parallel
Strand 4
H
66 70anti-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
10 11first strand
Strand 2
H
108 112parallel
Strand 3
H
89 95anti-parallel
Strand 4
H
33 38anti-parallel
Strand 5
H
44 50anti-parallel
Strand 6
H
56 58anti-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
10 11first strand
Strand 2
H
108 112parallel
Strand 3
H
89 95anti-parallel
Strand 4
H
103 104anti-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
121 125first strand
Strand 2
H
137 146anti-parallel
Strand 3
H
177 185anti-parallel
Strand 4
H
164 166anti-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
121 125first strand
Strand 2
H
137 146anti-parallel
Strand 3
H
177 185anti-parallel
Strand 4
H
170 171anti-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
152 155first strand
Strand 2
H
196 201anti-parallel
Strand 3
H
206 211anti-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
A
3 6first strand
Strand 2
A
17 24anti-parallel
Strand 3
A
71 77anti-parallel
Strand 4
A
63 68anti-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
A
9 13first strand
Strand 2
A
104 109parallel
Strand 3
A
86 92anti-parallel
Strand 4
A
34 39anti-parallel
Strand 5
A
46 50anti-parallel
Strand 6
A
54 55anti-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
A
9 13first strand
Strand 2
A
104 109parallel
Strand 3
A
86 92anti-parallel
Strand 4
A
98 100anti-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
A
116 120first strand
Strand 2
A
131 141anti-parallel
Strand 3
A
175 184anti-parallel
Strand 4
A
161 165anti-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
A
156 157first strand
Strand 2
A
147 152anti-parallel
Strand 3
A
193 199anti-parallel
Strand 4
A
207 212anti-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
B
2 6first strand
Strand 2
B
17 24anti-parallel
Strand 3
B
75 80anti-parallel
Strand 4
B
66 70anti-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
B
10 11first strand
Strand 2
B
108 112parallel
Strand 3
B
89 95anti-parallel
Strand 4
B
33 38anti-parallel
Strand 5
B
45 50anti-parallel
Strand 6
B
56 58anti-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
B
10 11first strand
Strand 2
B
108 112parallel
Strand 3
B
89 95anti-parallel
Strand 4
B
103 104anti-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
B
121 125first strand
Strand 2
B
136 146anti-parallel
Strand 3
B
177 186anti-parallel
Strand 4
B
164 166anti-parallel
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There are 4 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
121 125first strand
Strand 2
B
136 146anti-parallel
Strand 3
B
177 186anti-parallel
Strand 4
B
170 171anti-parallel
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There are 3 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
152 155first strand
Strand 2
B
196 201anti-parallel
Strand 3
B
206 211anti-parallel
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There are 4 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
3 6first strand
Strand 2
C
18 24anti-parallel
Strand 3
C
71 76anti-parallel
Strand 4
C
63 68anti-parallel
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There are 6 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
9 13first strand
Strand 2
C
104 109parallel
Strand 3
C
86 92anti-parallel
Strand 4
C
34 39anti-parallel
Strand 5
C
46 50anti-parallel
Strand 6
C
54 55anti-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
C
9 13first strand
Strand 2
C
104 109parallel
Strand 3
C
86 92anti-parallel
Strand 4
C
98 100anti-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
C
116 120first strand
Strand 2
C
131 141anti-parallel
Strand 3
C
175 184anti-parallel
Strand 4
C
161 165anti-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
C
156 157first strand
Strand 2
C
146 152anti-parallel
Strand 3
C
193 200anti-parallel
Strand 4
C
207 212anti-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
D
2 6first strand
Strand 2
D
17 24anti-parallel
Strand 3
D
75 80anti-parallel
Strand 4
D
66 70anti-parallel
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There are 6 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
10 11first strand
Strand 2
D
108 112parallel
Strand 3
D
89 95anti-parallel
Strand 4
D
33 38anti-parallel
Strand 5
D
45 50anti-parallel
Strand 6
D
56 58anti-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
D
10 11first strand
Strand 2
D
108 112parallel
Strand 3
D
89 95anti-parallel
Strand 4
D
103 104anti-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
D
121 125first strand
Strand 2
D
136 146anti-parallel
Strand 3
D
177 186anti-parallel
Strand 4
D
164 166anti-parallel
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There are 4 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
121 125first strand
Strand 2
D
136 146anti-parallel
Strand 3
D
177 186anti-parallel
Strand 4
D
170 171anti-parallel
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There are 3 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
152 155first strand
Strand 2
D
196 201anti-parallel
Strand 3
D
206 211anti-parallel
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There are 4 strands in AH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
3 4first strand
Strand 2
E
17 24anti-parallel
Strand 3
E
71 77anti-parallel
Strand 4
E
63 68anti-parallel
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There are 6 strands in AI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
9 13first strand
Strand 2
E
104 109parallel
Strand 3
E
86 92anti-parallel
Strand 4
E
34 39anti-parallel
Strand 5
E
46 50anti-parallel
Strand 6
E
54 55anti-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
E
9 13first strand
Strand 2
E
104 109parallel
Strand 3
E
86 92anti-parallel
Strand 4
E
98 100anti-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
E
116 120first strand
Strand 2
E
131 141anti-parallel
Strand 3
E
175 184anti-parallel
Strand 4
E
161 165anti-parallel
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There are 3 strands in AL sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
147 152first strand
Strand 2
E
193 199anti-parallel
Strand 3
E
207 212anti-parallel
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There are 4 strands in AM sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
2 6first strand
Strand 2
F
17 24anti-parallel
Strand 3
F
75 80anti-parallel
Strand 4
F
66 70anti-parallel
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There are 6 strands in AN sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
10 11first strand
Strand 2
F
108 112parallel
Strand 3
F
89 95anti-parallel
Strand 4
F
33 38anti-parallel
Strand 5
F
45 50anti-parallel
Strand 6
F
56 58anti-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
F
10 11first strand
Strand 2
F
108 112parallel
Strand 3
F
89 95anti-parallel
Strand 4
F
103 104anti-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
F
121 125first strand
Strand 2
F
136 146anti-parallel
Strand 3
F
177 186anti-parallel
Strand 4
F
164 166anti-parallel
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There are 4 strands in AQ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
121 125first strand
Strand 2
F
136 146anti-parallel
Strand 3
F
177 186anti-parallel
Strand 4
F
170 171anti-parallel
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There are 3 strands in AR sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
152 155first strand
Strand 2
F
196 201anti-parallel
Strand 3
F
206 211anti-parallel
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