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


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 4NTN entry

There are 6 chains in PDB entry 4NTN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 3GLY 120
B
 SER 3GLU 121
C
 THR 4GLY 120
D
 SER 3GLU 121
E
 MSE 2GLY 120
F
 THR 4GLU 121
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 4NTN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
25 29Right-handed 310
Helix 2
2
A
54 70Right-handed alpha
Helix 3
3
A
73 77Right-handed 310
Helix 4
4
A
84 97Right-handed alpha
Helix 5
5
B
25 29Right-handed 310
Helix 6
6
B
54 70Right-handed alpha
Helix 7
7
B
73 77Right-handed 310
Helix 8
8
B
84 97Right-handed alpha
Helix 9
9
C
25 29Right-handed 310
Helix 10
10
C
54 70Right-handed alpha
Helix 11
11
C
75 77Right-handed 310
Helix 12
12
C
84 97Right-handed alpha
Helix 13
13
D
25 29Right-handed 310
Helix 14
14
D
54 70Right-handed alpha
Helix 15
15
D
75 77Right-handed 310
Helix 16
16
D
84 97Right-handed alpha
Helix 17
17
D
98 100Right-handed 310
Helix 18
18
E
25 29Right-handed 310
Helix 19
19
E
54 70Right-handed alpha
Helix 20
20
E
73 77Right-handed 310
Helix 21
21
E
84 97Right-handed alpha
Helix 22
22
F
25 29Right-handed 310
Helix 23
23
F
54 70Right-handed alpha
Helix 24
24
F
73 77Right-handed 310
Helix 25
25
F
84 97Right-handed alpha
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There are 3 sheets in PDB entry 4NTN. Click on sheet of interest to get list of strands forming it: A, B, C,

There are 13 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
4 16first strand
Strand 2
A
31 42anti-parallel
Strand 3
A
103 111anti-parallel
Strand 4
A
114 118anti-parallel
Strand 5
E
4 16anti-parallel
Strand 6
E
31 42anti-parallel
Strand 7
E
103 111anti-parallel
Strand 8
E
114 118anti-parallel
Strand 9
B
4 16anti-parallel
Strand 10
B
31 42anti-parallel
Strand 11
B
103 111anti-parallel
Strand 12
B
114 118anti-parallel
Strand 13
A
4 16anti-parallel
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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
C
72 73first strand
Strand 2
C
5 16parallel
Strand 3
C
31 42anti-parallel
Strand 4
C
103 111anti-parallel
Strand 5
C
114 118anti-parallel
Strand 6
D
4 16anti-parallel
Strand 7
D
72 73parallel
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There are 11 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
72 73first strand
Strand 2
C
5 16parallel
Strand 3
F
114 118anti-parallel
Strand 4
F
103 109anti-parallel
Strand 5
F
31 42anti-parallel
Strand 6
F
5 16anti-parallel
Strand 7
D
114 118anti-parallel
Strand 8
D
103 111anti-parallel
Strand 9
D
31 42anti-parallel
Strand 10
D
4 16anti-parallel
Strand 11
D
72 73parallel
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