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


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 4NCH entry

There are 2 chains in PDB entry 4NCH (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1SER 882
B
 MET 1SER 882
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 24 helices in PDB entry 4NCH. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
35 49Right-handed alpha
Helix 2
2
A
58 63Right-handed alpha
Helix 3
3
A
115 127Right-handed alpha
Helix 4
4
A
128 133Right-handed alpha
Helix 5
5
A
141 149Right-handed alpha
Helix 6
6
A
149 162Right-handed alpha
Helix 7
7
A
738 760Right-handed alpha
Helix 8
8
A
788 792Right-handed 310
Helix 9
9
A
793 814Right-handed alpha
Helix 10
10
A
835 843Right-handed alpha
Helix 11
11
A
844 847Right-handed 310
Helix 12
12
A
856 863Right-handed 310
Helix 13
13
B
35 49Right-handed alpha
Helix 14
14
B
58 63Right-handed alpha
Helix 15
15
B
115 127Right-handed alpha
Helix 16
16
B
128 136Right-handed alpha
Helix 17
17
B
141 148Right-handed alpha
Helix 18
18
B
149 161Right-handed alpha
Helix 19
19
B
743 761Right-handed alpha
Helix 20
20
B
788 792Right-handed 310
Helix 21
21
B
793 814Right-handed alpha
Helix 22
22
B
830 843Right-handed alpha
Helix 23
23
B
844 847Right-handed 310
Helix 24
24
B
858 863Right-handed 310
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There are 6 sheets in PDB entry 4NCH. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 6 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
17 20first strand
Strand 2
A
2 9anti-parallel
Strand 3
A
69 77anti-parallel
Strand 4
A
80 89anti-parallel
Strand 5
A
95 104anti-parallel
Strand 6
A
107 110anti-parallel
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There are 6 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
137 138first strand
Strand 2
A
818 821parallel
Strand 3
A
849 854parallel
Strand 4
A
24 29parallel
Strand 5
A
865 872parallel
Strand 6
A
875 880anti-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
767 772first strand
Strand 2
A
775 782anti-parallel
Strand 3
A
785 787anti-parallel
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There are 6 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
17 20first strand
Strand 2
B
2 9anti-parallel
Strand 3
B
69 77anti-parallel
Strand 4
B
80 89anti-parallel
Strand 5
B
95 104anti-parallel
Strand 6
B
107 110anti-parallel
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There are 6 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
137 138first strand
Strand 2
B
818 822parallel
Strand 3
B
849 854parallel
Strand 4
B
24 29parallel
Strand 5
B
865 872parallel
Strand 6
B
875 880anti-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
B
767 771first strand
Strand 2
B
776 782anti-parallel
Strand 3
B
785 787anti-parallel
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