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


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 4NCN entry

There are 2 chains in PDB entry 4NCN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 517GLN 860
B
 HIS 515LEU 859
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 32 helices in PDB entry 4NCN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
517 521Right-handed 310
Helix 2
2
A
535 545Right-handed alpha
Helix 3
3
A
547 552Right-handed alpha
Helix 4
4
A
553 556Right-handed 310
Helix 5
5
A
567 574Right-handed alpha
Helix 6
6
A
575 578Right-handed 310
Helix 7
7
A
598 600Right-handed 310
Helix 8
8
A
601 612Right-handed alpha
Helix 9
9
A
626 640Right-handed alpha
Helix 10
10
A
649 653Right-handed 310
Helix 11
11
A
663 669Right-handed alpha
Helix 12
12
A
672 693Right-handed alpha
Helix 13
13
A
701 703Right-handed 310
Helix 14
14
A
722 737Right-handed alpha
Helix 15
15
A
739 744Right-handed 310
Helix 16
16
A
847 860Right-handed alpha
Helix 17
17
B
517 521Right-handed 310
Helix 18
18
B
535 545Right-handed alpha
Helix 19
19
B
547 552Right-handed alpha
Helix 20
20
B
553 556Right-handed 310
Helix 21
21
B
567 574Right-handed alpha
Helix 22
22
B
575 578Right-handed 310
Helix 23
23
B
598 600Right-handed 310
Helix 24
24
B
601 612Right-handed alpha
Helix 25
25
B
626 640Right-handed alpha
Helix 26
26
B
650 653Right-handed 310
Helix 27
27
B
663 669Right-handed alpha
Helix 28
28
B
672 693Right-handed alpha
Helix 29
29
B
701 703Right-handed 310
Helix 30
30
B
722 737Right-handed alpha
Helix 31
31
B
739 744Right-handed 310
Helix 32
32
B
847 859Right-handed alpha
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There are 7 sheets in PDB entry 4NCN. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G,

There are 7 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
561 566first strand
Strand 2
A
589 594anti-parallel
Strand 3
A
525 530parallel
Strand 4
A
614 620parallel
Strand 5
A
643 648parallel
Strand 6
A
710 714parallel
Strand 7
A
697 699parallel
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There are 8 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
787 792first strand
Strand 2
A
779 784anti-parallel
Strand 3
A
838 841anti-parallel
Strand 4
A
749 758anti-parallel
Strand 5
A
762 771anti-parallel
Strand 6
A
821 826anti-parallel
Strand 7
A
795 798anti-parallel
Strand 8
A
812 813anti-parallel
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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
773 775first strand
Strand 2
A
816 818anti-parallel
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There are 7 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
561 566first strand
Strand 2
B
589 594anti-parallel
Strand 3
B
525 530parallel
Strand 4
B
614 620parallel
Strand 5
B
643 648parallel
Strand 6
B
710 715parallel
Strand 7
B
697 699parallel
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There are 5 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
749 758first strand
Strand 2
B
762 771anti-parallel
Strand 3
B
821 826anti-parallel
Strand 4
B
795 799anti-parallel
Strand 5
B
811 814anti-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
B
773 775first strand
Strand 2
B
816 818anti-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
789 792first strand
Strand 2
B
779 782anti-parallel
Strand 3
B
839 841anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il