Analysis of interatomic Contacts of Structural Units in PDB entry:
3DTD


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 3DTD entry

There are 12 chains in PDB entry 3DTD (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 42GLU 186
B
 SER 42GLY 187
C
 SER 42HIS 188
D
 SER 42GLU 186
E
 SER 42GLU 186
F
 SER 42GLU 186
G
 SER 42GLU 186
H
 SER 41GLU 186
I
 SER 42GLU 186
J
 SER 42GLU 186
K
 SER 42GLU 186
L
 SER 42GLU 186
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 24 helices in PDB entry 3DTD. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
136 146Right-handed alpha
Helix 2
2
A
172 186Right-handed alpha
Helix 3
3
B
136 146Right-handed alpha
Helix 4
4
B
172 187Right-handed alpha
Helix 5
5
C
136 146Right-handed alpha
Helix 6
6
C
172 187Right-handed alpha
Helix 7
7
D
136 146Right-handed alpha
Helix 8
8
D
172 186Right-handed alpha
Helix 9
9
E
136 146Right-handed alpha
Helix 10
10
E
172 186Right-handed alpha
Helix 11
11
F
136 146Right-handed alpha
Helix 12
12
F
172 186Right-handed alpha
Helix 13
13
G
136 146Right-handed alpha
Helix 14
14
G
172 186Right-handed alpha
Helix 15
15
H
136 146Right-handed alpha
Helix 16
16
H
172 186Right-handed alpha
Helix 17
17
I
136 146Right-handed alpha
Helix 18
18
I
172 186Right-handed alpha
Helix 19
19
J
136 146Right-handed alpha
Helix 20
20
J
172 186Right-handed alpha
Helix 21
21
K
136 146Right-handed alpha
Helix 22
22
K
172 186Right-handed alpha
Helix 23
23
L
136 146Right-handed alpha
Helix 24
24
L
172 186Right-handed alpha
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There are 31 sheets in PDB entry 3DTD. 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,

There are 7 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
45 47first strand
Strand 2
A
50 54anti-parallel
Strand 3
A
63 70anti-parallel
Strand 4
A
76 84anti-parallel
Strand 5
A
90 96anti-parallel
Strand 6
A
128 135anti-parallel
Strand 7
A
123 125anti-parallel
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There are 4 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
116 119first strand
Strand 2
A
106 110anti-parallel
Strand 3
A
148 154anti-parallel
Strand 4
A
162 169anti-parallel
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There are 7 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
45 47first strand
Strand 2
B
50 56anti-parallel
Strand 3
B
61 70anti-parallel
Strand 4
B
76 84anti-parallel
Strand 5
B
90 96anti-parallel
Strand 6
B
128 135anti-parallel
Strand 7
B
123 125anti-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
B
116 119first strand
Strand 2
B
106 110anti-parallel
Strand 3
B
148 154anti-parallel
Strand 4
B
162 163anti-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
B
116 119first strand
Strand 2
B
106 110anti-parallel
Strand 3
B
148 154anti-parallel
Strand 4
B
167 169anti-parallel
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There are 7 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
45 47first strand
Strand 2
C
50 57anti-parallel
Strand 3
C
60 70anti-parallel
Strand 4
C
76 84anti-parallel
Strand 5
C
90 96anti-parallel
Strand 6
C
128 135anti-parallel
Strand 7
C
123 125anti-parallel
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There are 4 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
116 119first strand
Strand 2
C
106 110anti-parallel
Strand 3
C
148 154anti-parallel
Strand 4
C
162 163anti-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
C
116 119first strand
Strand 2
C
106 110anti-parallel
Strand 3
C
148 154anti-parallel
Strand 4
C
167 169anti-parallel
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There are 7 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
45 47first strand
Strand 2
D
50 57anti-parallel
Strand 3
D
60 70anti-parallel
Strand 4
D
76 84anti-parallel
Strand 5
D
90 96anti-parallel
Strand 6
D
128 135anti-parallel
Strand 7
D
123 125anti-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
D
116 119first strand
Strand 2
D
106 110anti-parallel
Strand 3
D
148 154anti-parallel
Strand 4
D
162 169anti-parallel
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There are 7 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
45 47first strand
Strand 2
E
50 55anti-parallel
Strand 3
E
62 70anti-parallel
Strand 4
E
76 84anti-parallel
Strand 5
E
90 96anti-parallel
Strand 6
E
128 135anti-parallel
Strand 7
E
123 125anti-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
E
116 119first strand
Strand 2
E
106 110anti-parallel
Strand 3
E
148 154anti-parallel
Strand 4
E
162 169anti-parallel
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There are 7 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
45 47first strand
Strand 2
F
50 55anti-parallel
Strand 3
F
62 70anti-parallel
Strand 4
F
76 84anti-parallel
Strand 5
F
90 96anti-parallel
Strand 6
F
128 135anti-parallel
Strand 7
F
123 125anti-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
F
116 119first strand
Strand 2
F
106 110anti-parallel
Strand 3
F
148 154anti-parallel
Strand 4
F
162 169anti-parallel
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There are 7 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
45 47first strand
Strand 2
G
50 55anti-parallel
Strand 3
G
62 70anti-parallel
Strand 4
G
76 84anti-parallel
Strand 5
G
90 96anti-parallel
Strand 6
G
128 135anti-parallel
Strand 7
G
123 125anti-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
G
116 119first strand
Strand 2
G
106 110anti-parallel
Strand 3
G
148 154anti-parallel
Strand 4
G
162 163anti-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
G
116 119first strand
Strand 2
G
106 110anti-parallel
Strand 3
G
148 154anti-parallel
Strand 4
G
167 169anti-parallel
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There are 7 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
45 47first strand
Strand 2
H
50 57anti-parallel
Strand 3
H
60 70anti-parallel
Strand 4
H
76 84anti-parallel
Strand 5
H
90 96anti-parallel
Strand 6
H
128 135anti-parallel
Strand 7
H
123 125anti-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
H
116 119first strand
Strand 2
H
106 110anti-parallel
Strand 3
H
148 154anti-parallel
Strand 4
H
162 163anti-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
H
116 119first strand
Strand 2
H
106 110anti-parallel
Strand 3
H
148 154anti-parallel
Strand 4
H
167 169anti-parallel
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There are 7 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
45 47first strand
Strand 2
I
50 56anti-parallel
Strand 3
I
61 70anti-parallel
Strand 4
I
76 84anti-parallel
Strand 5
I
90 96anti-parallel
Strand 6
I
128 135anti-parallel
Strand 7
I
123 125anti-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
I
116 119first strand
Strand 2
I
106 110anti-parallel
Strand 3
I
148 154anti-parallel
Strand 4
I
162 163anti-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
I
116 119first strand
Strand 2
I
106 110anti-parallel
Strand 3
I
148 154anti-parallel
Strand 4
I
167 169anti-parallel
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There are 7 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
45 47first strand
Strand 2
J
50 57anti-parallel
Strand 3
J
60 70anti-parallel
Strand 4
J
76 84anti-parallel
Strand 5
J
90 96anti-parallel
Strand 6
J
128 135anti-parallel
Strand 7
J
123 125anti-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
J
116 119first strand
Strand 2
J
106 110anti-parallel
Strand 3
J
148 154anti-parallel
Strand 4
J
162 169anti-parallel
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There are 7 strands in Z sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
45 47first strand
Strand 2
K
50 57anti-parallel
Strand 3
K
60 70anti-parallel
Strand 4
K
76 84anti-parallel
Strand 5
K
90 96anti-parallel
Strand 6
K
128 135anti-parallel
Strand 7
K
123 125anti-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
K
116 119first strand
Strand 2
K
106 110anti-parallel
Strand 3
K
148 154anti-parallel
Strand 4
K
162 163anti-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
K
116 119first strand
Strand 2
K
106 110anti-parallel
Strand 3
K
148 154anti-parallel
Strand 4
K
167 169anti-parallel
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There are 7 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
45 47first strand
Strand 2
L
50 57anti-parallel
Strand 3
L
60 70anti-parallel
Strand 4
L
76 84anti-parallel
Strand 5
L
90 96anti-parallel
Strand 6
L
128 135anti-parallel
Strand 7
L
123 125anti-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
L
116 119first strand
Strand 2
L
106 110anti-parallel
Strand 3
L
148 154anti-parallel
Strand 4
L
162 163anti-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
L
116 119first strand
Strand 2
L
106 110anti-parallel
Strand 3
L
148 154anti-parallel
Strand 4
L
167 169anti-parallel
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