Analysis of interatomic Contacts of Structural Units in PDB entry:
4EN9


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 4EN9 entry

There are 2 chains in PDB entry 4EN9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 15ASP 184
B
 GLN 204SER 623
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 5 helices in PDB entry 4EN9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
76 88Right-handed alpha
Helix 2
2
A
90 95Right-handed alpha
Helix 3
3
B
266 279Right-handed alpha
Helix 4
4
B
395 400Right-handed 310
Helix 5
5
B
499 505Right-handed 310
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There are 9 sheets in PDB entry 4EN9. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

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
A
45 49first strand
Strand 2
A
112 130anti-parallel
Strand 3
A
24 35anti-parallel
Strand 4
A
170 171anti-parallel
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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
178 181first strand
Strand 2
A
24 35anti-parallel
Strand 3
A
112 130anti-parallel
Strand 4
A
133 153anti-parallel
Strand 5
A
68 70anti-parallel
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There are 3 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
68 70first strand
Strand 2
A
133 153anti-parallel
Strand 3
B
439 440anti-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
100 106first strand
Strand 2
A
53 59anti-parallel
Strand 3
B
289 295anti-parallel
Strand 4
B
241 246anti-parallel
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There are 10 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
256 259first strand
Strand 2
B
322 332anti-parallel
Strand 3
B
310 319anti-parallel
Strand 4
B
212 217anti-parallel
Strand 5
B
368 372anti-parallel
Strand 6
B
451 457anti-parallel
Strand 7
B
427 431anti-parallel
Strand 8
B
477 481anti-parallel
Strand 9
B
403 407anti-parallel
Strand 10
B
378 381parallel
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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
B
222 224first strand
Strand 2
B
359 361anti-parallel
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There are 3 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
230 236first strand
Strand 2
B
302 307anti-parallel
Strand 3
B
336 341anti-parallel
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There are 9 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
389 393first strand
Strand 2
B
491 497anti-parallel
Strand 3
B
413 418anti-parallel
Strand 4
B
465 471anti-parallel
Strand 5
B
507 511anti-parallel
Strand 6
B
533 539parallel
Strand 7
B
600 609anti-parallel
Strand 8
B
560 569anti-parallel
Strand 9
B
576 583anti-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
B
522 526first strand
Strand 2
B
614 621anti-parallel
Strand 3
B
549 556anti-parallel
Strand 4
B
593 596anti-parallel
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