Analysis of interatomic Contacts of Structural Units in PDB entry:
3EN9


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 3EN9 entry

There are 2 chains in PDB entry 3EN9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET -2VAL 534
B
 ASP -1ARG 529
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 40 helices in PDB entry 3EN9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
43 63Right-handed alpha
Helix 2
2
A
64 66Right-handed 310
Helix 3
3
A
79 98Right-handed alpha
Helix 4
4
A
106 118Right-handed alpha
Helix 5
5
A
153 165Right-handed alpha
Helix 6
6
A
171 181Right-handed alpha
Helix 7
7
A
199 212Right-handed alpha
Helix 8
8
A
215 243Right-handed alpha
Helix 9
9
A
251 255Right-handed 310
Helix 10
10
A
256 270Right-handed alpha
Helix 11
11
A
278 283Right-handed alpha
Helix 12
12
A
285 298Right-handed alpha
Helix 13
13
A
369 391Right-handed alpha
Helix 14
14
A
392 395Right-handed 310
Helix 15
15
A
421 425Right-handed alpha
Helix 16
16
A
430 445Right-handed alpha
Helix 17
17
A
476 495Right-handed alpha
Helix 18
18
A
498 514Right-handed alpha
Helix 19
19
A
516 529Right-handed alpha
Helix 20
20
B
40 61Right-handed alpha
Helix 21
21
B
64 66Right-handed 310
Helix 22
22
B
79 98Right-handed alpha
Helix 23
23
B
106 117Right-handed alpha
Helix 24
24
B
153 165Right-handed alpha
Helix 25
25
B
171 180Right-handed alpha
Helix 26
26
B
199 213Right-handed alpha
Helix 27
27
B
215 239Right-handed alpha
Helix 28
28
B
251 255Right-handed 310
Helix 29
29
B
256 269Right-handed alpha
Helix 30
30
B
278 283Right-handed alpha
Helix 31
31
B
285 299Right-handed alpha
Helix 32
32
B
305 309Right-handed 310
Helix 33
33
B
315 319Right-handed 310
Helix 34
34
B
369 392Right-handed alpha
Helix 35
35
B
422 424Right-handed 310
Helix 36
36
B
428 445Right-handed alpha
Helix 37
37
B
453 455Right-handed 310
Helix 38
38
B
476 495Right-handed alpha
Helix 39
39
B
498 514Right-handed alpha
Helix 40
40
B
516 528Right-handed alpha
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There are 12 sheets in PDB entry 3EN9. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 5 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
24 31first strand
Strand 2
A
12 19anti-parallel
Strand 3
A
2 7anti-parallel
Strand 4
A
68 76parallel
Strand 5
A
101 105parallel
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There are 5 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
142 148first strand
Strand 2
A
133 139anti-parallel
Strand 3
A
124 128anti-parallel
Strand 4
A
246 250parallel
Strand 5
A
273 275parallel
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There are 2 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
192 193first strand
Strand 2
A
196 197anti-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
A
346 351first strand
Strand 2
A
356 361anti-parallel
Strand 3
A
410 414anti-parallel
Strand 4
A
401 405anti-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
A
419 420first strand
Strand 2
A
457 459anti-parallel
Strand 3
A
463 465anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
447 448first strand
Strand 2
A
472 473anti-parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
24 31first strand
Strand 2
B
12 19anti-parallel
Strand 3
B
2 7anti-parallel
Strand 4
B
68 76parallel
Strand 5
B
101 105parallel
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There are 5 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
142 148first strand
Strand 2
B
133 139anti-parallel
Strand 3
B
124 128anti-parallel
Strand 4
B
246 250parallel
Strand 5
B
273 275parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
192 193first strand
Strand 2
B
196 197anti-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
346 352first strand
Strand 2
B
355 361anti-parallel
Strand 3
B
410 414anti-parallel
Strand 4
B
401 405anti-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
419 420first strand
Strand 2
B
457 459anti-parallel
Strand 3
B
463 465anti-parallel
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There are 2 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
447 448first strand
Strand 2
B
472 473anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il