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


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 4NPC entry

There are 2 chains in PDB entry 4NPC (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 7LEU 257
B
 ALA 5LEU 257
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 22 helices in PDB entry 4NPC. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
26 39Right-handed alpha
Helix 2
2
A
49 61Right-handed alpha
Helix 3
3
A
73 89Right-handed alpha
Helix 4
4
A
110 122Right-handed alpha
Helix 5
5
A
122 140Right-handed alpha
Helix 6
6
A
150 154Right-handed 310
Helix 7
7
A
160 182Right-handed alpha
Helix 8
8
A
198 205Right-handed alpha
Helix 9
9
A
207 215Right-handed alpha
Helix 10
10
A
224 237Right-handed alpha
Helix 11
11
A
253 257Right-handed 310
Helix 12
12
B
26 39Right-handed alpha
Helix 13
13
B
49 61Right-handed alpha
Helix 14
14
B
73 89Right-handed alpha
Helix 15
15
B
110 122Right-handed alpha
Helix 16
16
B
122 140Right-handed alpha
Helix 17
17
B
150 154Right-handed 310
Helix 18
18
B
160 182Right-handed alpha
Helix 19
19
B
198 205Right-handed alpha
Helix 20
20
B
207 216Right-handed alpha
Helix 21
21
B
224 237Right-handed alpha
Helix 22
22
B
253 257Right-handed 310
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There are 2 sheets in PDB entry 4NPC. Click on sheet of interest to get list of strands forming it: A, B,

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
64 68first strand
Strand 2
A
42 47parallel
Strand 3
A
18 22parallel
Strand 4
A
93 96parallel
Strand 5
A
143 148parallel
Strand 6
A
186 193parallel
Strand 7
A
247 250parallel
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There are 7 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
64 68first strand
Strand 2
B
42 47parallel
Strand 3
B
18 22parallel
Strand 4
B
93 96parallel
Strand 5
B
143 148parallel
Strand 6
B
186 193parallel
Strand 7
B
247 250parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il