Analysis of interatomic Contacts of Structural Units in PDB entry:
3E20


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 3E20 entry

There are 8 chains in PDB entry 3E20 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
ALA 467ASP 662
C
THR 4GLU 427
D
ALA 467ASP 662
B
THR 4GLU 427
E
ALA 467ASP 662
H
ALA 5GLU 427
J
ALA 467ASP 662
K
ALA 5GLU 427
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 38 helices in PDB entry 3E20. Click on helix of interest for CSU analysis.
Helix
number
Helix
ID
Chain
ID
Initial
residue
Terminal
residue
Helix class
Helix 1
1
A
637 641Right-handed alpha
Helix 2
2
C
4 22Right-handed alpha
Helix 3
3
C
41 56Right-handed alpha
Helix 4
4
C
61 80Right-handed alpha
Helix 5
5
C
99 103Right-handed 310
Helix 6
6
C
132 137Right-handed 310
Helix 7
7
C
274 293Right-handed alpha
Helix 8
8
C
301 311Right-handed alpha
Helix 9
9
C
373 381Right-handed alpha
Helix 10
10
C
382 385Right-handed 310
Helix 11
11
C
395 404Right-handed alpha
Helix 12
12
D
637 641Right-handed alpha
Helix 13
13
B
4 22Right-handed alpha
Helix 14
14
B
41 56Right-handed alpha
Helix 15
15
B
61 80Right-handed alpha
Helix 16
16
B
99 103Right-handed 310
Helix 17
17
B
132 137Right-handed 310
Helix 18
18
B
274 293Right-handed alpha
Helix 19
19
B
301 311Right-handed alpha
Helix 20
20
B
373 381Right-handed alpha
Helix 21
21
B
382 385Right-handed 310
Helix 22
22
B
395 404Right-handed alpha
Helix 23
23
E
637 641Right-handed alpha
Helix 24
24
H
7 19Right-handed alpha
Helix 25
25
H
130 135Right-handed alpha
Helix 26
26
H
274 293Right-handed alpha
Helix 27
27
H
301 311Right-handed alpha
Helix 28
28
H
373 381Right-handed alpha
Helix 29
29
H
382 385Right-handed 310
Helix 30
30
H
395 404Right-handed alpha
Helix 31
31
J
637 641Right-handed alpha
Helix 32
32
K
7 16Right-handed alpha
Helix 33
33
K
130 134Right-handed 310
Helix 34
34
K
274 293Right-handed alpha
Helix 35
35
K
301 311Right-handed alpha
Helix 36
36
K
373 381Right-handed alpha
Helix 37
37
K
382 385Right-handed 310
Helix 38
38
K
395 406Right-handed alpha
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There are 24 sheets in PDB entry 3E20. 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,

There are 8 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
520 521first strand
Strand 2
A
506 514anti-parallel
Strand 3
A
529 535anti-parallel
Strand 4
A
482 487anti-parallel
Strand 5
A
470 477anti-parallel
Strand 6
A
546 549anti-parallel
Strand 7
A
497 502anti-parallel
Strand 8
A
506 514anti-parallel
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There are 2 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
493 494first strand
Strand 2
A
523 524anti-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
A
556 566first strand
Strand 2
A
618 630anti-parallel
Strand 3
A
587 599anti-parallel
Strand 4
A
578 582anti-parallel
Strand 5
A
642 647anti-parallel
Strand 6
A
650 660anti-parallel
Strand 7
A
556 566anti-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
C
105 111first strand
Strand 2
C
91 97anti-parallel
Strand 3
C
31 35anti-parallel
Strand 4
C
121 125anti-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
C
388 391first strand
Strand 2
C
316 320parallel
Strand 3
C
408 411anti-parallel
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There are 3 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
341 342first strand
Strand 2
C
326 327anti-parallel
Strand 3
C
371 372anti-parallel
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There are 8 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
D
520 521first strand
Strand 2
D
506 514anti-parallel
Strand 3
D
529 535anti-parallel
Strand 4
D
482 487anti-parallel
Strand 5
D
470 477anti-parallel
Strand 6
D
546 549anti-parallel
Strand 7
D
497 502anti-parallel
Strand 8
D
506 514anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
D
493 494first strand
Strand 2
D
523 524anti-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
556 566first strand
Strand 2
D
618 630anti-parallel
Strand 3
D
587 599anti-parallel
Strand 4
D
578 582anti-parallel
Strand 5
D
642 647anti-parallel
Strand 6
D
650 660anti-parallel
Strand 7
D
556 566anti-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
B
105 111first strand
Strand 2
B
91 97anti-parallel
Strand 3
B
31 35anti-parallel
Strand 4
B
121 125anti-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
B
388 391first strand
Strand 2
B
316 320parallel
Strand 3
B
408 411anti-parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
B
341 342first strand
Strand 2
B
326 327anti-parallel
Strand 3
B
371 372anti-parallel
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There are 8 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
520 521first strand
Strand 2
E
506 514anti-parallel
Strand 3
E
529 535anti-parallel
Strand 4
E
482 487anti-parallel
Strand 5
E
470 478anti-parallel
Strand 6
E
546 548anti-parallel
Strand 7
E
498 502anti-parallel
Strand 8
E
506 514anti-parallel
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There are 2 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
493 494first strand
Strand 2
E
523 524anti-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
E
556 566first strand
Strand 2
E
618 630anti-parallel
Strand 3
E
587 598anti-parallel
Strand 4
E
578 582anti-parallel
Strand 5
E
642 646anti-parallel
Strand 6
E
651 660anti-parallel
Strand 7
E
556 566anti-parallel
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There are 2 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
H
34 36first strand
Strand 2
H
90 92anti-parallel
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There are 3 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
H
388 391first strand
Strand 2
H
314 320parallel
Strand 3
H
408 412anti-parallel
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There are 3 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
341 342first strand
Strand 2
H
326 327anti-parallel
Strand 3
H
371 372anti-parallel
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There are 8 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
J
520 521first strand
Strand 2
J
506 514anti-parallel
Strand 3
J
529 535anti-parallel
Strand 4
J
482 487anti-parallel
Strand 5
J
470 478anti-parallel
Strand 6
J
546 548anti-parallel
Strand 7
J
498 502anti-parallel
Strand 8
J
506 514anti-parallel
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There are 2 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
J
493 494first strand
Strand 2
J
523 524anti-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
J
556 566first strand
Strand 2
J
618 630anti-parallel
Strand 3
J
587 598anti-parallel
Strand 4
J
578 582anti-parallel
Strand 5
J
642 646anti-parallel
Strand 6
J
651 660anti-parallel
Strand 7
J
556 566anti-parallel
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There are 2 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
K
35 36first strand
Strand 2
K
90 91anti-parallel
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There are 3 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
K
388 391first strand
Strand 2
K
314 320parallel
Strand 3
K
408 412anti-parallel
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There are 3 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
K
341 342first strand
Strand 2
K
326 327anti-parallel
Strand 3
K
371 372anti-parallel
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