Analysis of interatomic Contacts of Structural Units in PDB entry:
1NPB


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 1NPB entry

There are 6 chains in PDB entry 1NPB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1GLU 140
B
 MET 1ASP 139
C
 MET 1SER 138
D
 MET 1THR 137
E
 MET 1SER 138
F
 MET 1SER 138
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 25 helices in PDB entry 1NPB. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 24Right-handed alpha
Helix 2
2
A
59 63Right-handed 310
Helix 3
3
A
76 87Right-handed alpha
Helix 4
4
A
118 129Right-handed alpha
Helix 5
5
B
14 24Right-handed alpha
Helix 6
6
B
73 75Right-handed 310
Helix 7
7
B
76 87Right-handed alpha
Helix 8
8
B
118 129Right-handed alpha
Helix 9
9
C
14 24Right-handed alpha
Helix 10
10
C
76 88Right-handed alpha
Helix 11
11
C
118 129Right-handed alpha
Helix 12
12
D
14 24Right-handed alpha
Helix 13
13
D
59 63Right-handed 310
Helix 14
14
D
73 75Right-handed 310
Helix 15
15
D
76 87Right-handed alpha
Helix 16
16
D
118 129Right-handed alpha
Helix 17
17
E
14 24Right-handed alpha
Helix 18
18
E
59 63Right-handed 310
Helix 19
19
E
73 75Right-handed 310
Helix 20
20
E
76 87Right-handed alpha
Helix 21
21
E
118 129Right-handed alpha
Helix 22
22
F
14 24Right-handed alpha
Helix 23
23
F
73 75Right-handed 310
Helix 24
24
F
76 87Right-handed alpha
Helix 25
25
F
118 129Right-handed alpha
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There are 6 sheets in PDB entry 1NPB. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 9 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
91 93first strand
Strand 2
B
101 105anti-parallel
Strand 3
B
111 115anti-parallel
Strand 4
B
67 71parallel
Strand 5
A
4 12anti-parallel
Strand 6
A
45 51parallel
Strand 7
A
37 42anti-parallel
Strand 8
A
29 34anti-parallel
Strand 9
B
135 136anti-parallel
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There are 9 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
91 93first strand
Strand 2
A
100 105anti-parallel
Strand 3
A
111 116anti-parallel
Strand 4
A
67 71parallel
Strand 5
B
4 12anti-parallel
Strand 6
B
45 51parallel
Strand 7
B
37 42anti-parallel
Strand 8
B
29 34anti-parallel
Strand 9
A
135 136anti-parallel
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There are 9 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
91 93first strand
Strand 2
D
100 105anti-parallel
Strand 3
D
111 116anti-parallel
Strand 4
D
67 71parallel
Strand 5
C
4 12anti-parallel
Strand 6
C
45 51parallel
Strand 7
C
37 42anti-parallel
Strand 8
C
29 34anti-parallel
Strand 9
D
135 136anti-parallel
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There are 9 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
91 93first strand
Strand 2
C
100 105anti-parallel
Strand 3
C
111 116anti-parallel
Strand 4
C
67 71parallel
Strand 5
D
5 12anti-parallel
Strand 6
D
45 51parallel
Strand 7
D
37 42anti-parallel
Strand 8
D
29 34anti-parallel
Strand 9
C
135 136anti-parallel
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There are 9 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
91 93first strand
Strand 2
F
101 105anti-parallel
Strand 3
F
111 115anti-parallel
Strand 4
F
67 71parallel
Strand 5
E
4 12anti-parallel
Strand 6
E
45 51parallel
Strand 7
E
37 42anti-parallel
Strand 8
E
29 34anti-parallel
Strand 9
F
135 136anti-parallel
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There are 9 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
91 93first strand
Strand 2
E
100 105anti-parallel
Strand 3
E
111 116anti-parallel
Strand 4
E
67 71parallel
Strand 5
F
4 12anti-parallel
Strand 6
F
45 51parallel
Strand 7
F
37 42anti-parallel
Strand 8
F
29 34anti-parallel
Strand 9
E
135 136anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il