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


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 3APN entry

There is 1 chain in PDB entry 3APN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2PRO 663
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 15 helices in PDB entry 3APN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
173 177Right-handed 310
Helix 2
2
A
192 195Right-handed 310
Helix 3
3
A
204 209Right-handed alpha
Helix 4
4
A
321 330Right-handed alpha
Helix 5
5
A
406 408Right-handed 310
Helix 6
6
A
444 454Right-handed alpha
Helix 7
7
A
471 474Right-handed 310
Helix 8
8
A
494 507Right-handed alpha
Helix 9
9
A
526 532Right-handed alpha
Helix 10
10
A
532 557Right-handed alpha
Helix 11
11
A
560 562Right-handed 310
Helix 12
12
A
575 577Right-handed 310
Helix 13
13
A
611 621Right-handed alpha
Helix 14
14
A
622 624Right-handed 310
Helix 15
15
A
657 661Right-handed 310
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There are 13 sheets in PDB entry 3APN. 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,

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
4 8first strand
Strand 2
A
24 28parallel
Strand 3
A
75 78anti-parallel
Strand 4
A
51 53anti-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
15 20first strand
Strand 2
A
105 118parallel
Strand 3
A
90 97anti-parallel
Strand 4
A
39 44anti-parallel
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There are 6 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
15 20first strand
Strand 2
A
105 118parallel
Strand 3
A
181 189anti-parallel
Strand 4
A
243 253anti-parallel
Strand 5
A
211 216anti-parallel
Strand 6
A
225 229anti-parallel
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There are 5 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
149 150first strand
Strand 2
A
282 293parallel
Strand 3
A
264 273anti-parallel
Strand 4
A
197 202anti-parallel
Strand 5
A
235 237anti-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
333 336first strand
Strand 2
A
305 310parallel
Strand 3
A
647 651anti-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
A
353 359first strand
Strand 2
A
362 368anti-parallel
Strand 3
A
390 392parallel
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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
A
410 412first strand
Strand 2
A
428 432anti-parallel
Strand 3
A
460 463parallel
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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
A
416 418first strand
Strand 2
A
421 423anti-parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
476 480first strand
Strand 2
A
487 493anti-parallel
Strand 3
A
564 568parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
513 514first strand
Strand 2
A
524 525anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
571 573first strand
Strand 2
A
579 581anti-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
A
590 592first strand
Strand 2
A
595 599anti-parallel
Strand 3
A
626 630parallel
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There are 2 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
605 606first strand
Strand 2
A
609 610anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il