Analysis of interatomic Contacts of Structural Units in PDB entry:
4AK1


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 4AK1 entry

There is 1 chain in PDB entry 4AK1 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PHE 13PHE 700
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 13 helices in PDB entry 4AK1. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
144 147Right-handed 310
Helix 2
2
A
371 375Right-handed 310
Helix 3
3
A
440 444Right-handed 310
Helix 4
4
A
455 459Right-handed 310
Helix 5
5
A
471 475Right-handed 310
Helix 6
6
A
520 524Right-handed 310
Helix 7
7
A
539 543Right-handed 310
Helix 8
8
A
572 576Right-handed 310
Helix 9
9
A
606 616Right-handed alpha
Helix 10
10
A
623 627Right-handed 310
Helix 11
11
A
634 638Right-handed 310
Helix 12
12
A
679 683Right-handed 310
Helix 13
13
A
684 686Right-handed 310
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There are 16 sheets in PDB entry 4AK1. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP,

There are 2 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
14 19first strand
Strand 2
A
32 37anti-parallel
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There are 5 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
22 23first strand
Strand 2
A
94 106parallel
Strand 3
A
81 91anti-parallel
Strand 4
A
42 51anti-parallel
Strand 5
A
54 55anti-parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
61 63first strand
Strand 2
A
70 72anti-parallel
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There are 3 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
149 160first strand
Strand 2
A
193 205anti-parallel
Strand 3
A
211 223anti-parallel
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There are 2 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
236 240first strand
Strand 2
A
324 328parallel
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There are 3 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
251 252first strand
Strand 2
A
288 290anti-parallel
Strand 3
A
279 281anti-parallel
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There are 4 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
342 345first strand
Strand 2
A
410 421parallel
Strand 3
A
397 407anti-parallel
Strand 4
A
364 367anti-parallel
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There are 3 strands in AH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
350 352first strand
Strand 2
A
386 388anti-parallel
Strand 3
A
379 380anti-parallel
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There are 2 strands in AI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
430 431first strand
Strand 2
A
465 466anti-parallel
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There are 4 strands in AJ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
447 450first strand
Strand 2
A
525 535parallel
Strand 3
A
509 518anti-parallel
Strand 4
A
476 483anti-parallel
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There are 2 strands in AK sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
489 492first strand
Strand 2
A
499 502anti-parallel
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There are 4 strands in AL sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
551 554first strand
Strand 2
A
693 696parallel
Strand 3
A
665 674anti-parallel
Strand 4
A
688 689parallel
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There are 5 strands in AM sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
551 554first strand
Strand 2
A
693 696parallel
Strand 3
A
665 674anti-parallel
Strand 4
A
577 588anti-parallel
Strand 5
A
598 599anti-parallel
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There are 2 strands in AN sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
688 689first strand
Strand 2
A
665 674parallel
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There are 3 strands in AO sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
560 561first strand
Strand 2
A
649 651anti-parallel
Strand 3
A
640 642anti-parallel
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There are 2 strands in AP sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
657 658first strand
Strand 2
A
661 662anti-parallel
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