Analysis of interatomic Contacts of Structural Units in PDB entry:
3NA2


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 3NA2 entry

There are 4 chains in PDB entry 3NA2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 3GLY 140
B
 PRO 3PHE 138
C
 GLY 4VAL 137
D
 PRO 3PRO 139
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 21 helices in PDB entry 3NA2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
3 20Right-handed alpha
Helix 2
2
A
64 66Right-handed 310
Helix 3
3
A
102 105Right-handed 310
Helix 4
4
A
110 121Right-handed alpha
Helix 5
5
A
134 137Right-handed 310
Helix 6
6
B
3 20Right-handed alpha
Helix 7
7
B
64 66Right-handed 310
Helix 8
8
B
102 105Right-handed 310
Helix 9
9
B
110 121Right-handed alpha
Helix 10
10
B
134 137Right-handed 310
Helix 11
11
C
4 19Right-handed alpha
Helix 12
12
C
64 66Right-handed 310
Helix 13
13
C
102 105Right-handed 310
Helix 14
14
C
110 120Right-handed alpha
Helix 15
15
C
121 123Right-handed 310
Helix 16
16
C
134 137Right-handed 310
Helix 17
17
D
3 20Right-handed alpha
Helix 18
18
D
64 66Right-handed 310
Helix 19
19
D
102 105Right-handed 310
Helix 20
20
D
110 121Right-handed alpha
Helix 21
21
D
134 137Right-handed 310
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There are 6 sheets in PDB entry 3NA2. 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
31 35first strand
Strand 2
A
22 28anti-parallel
Strand 3
A
94 100anti-parallel
Strand 4
A
81 88anti-parallel
Strand 5
A
68 75anti-parallel
Strand 6
A
128 132parallel
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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
57 62first strand
Strand 2
A
49 54anti-parallel
Strand 3
A
42 46anti-parallel
Strand 4
C
42 46anti-parallel
Strand 5
C
49 54anti-parallel
Strand 6
C
57 62anti-parallel
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There are 6 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
32 36first strand
Strand 2
B
22 27anti-parallel
Strand 3
B
94 100anti-parallel
Strand 4
B
82 88anti-parallel
Strand 5
B
68 74anti-parallel
Strand 6
B
128 132parallel
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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
58 62first strand
Strand 2
B
49 53anti-parallel
Strand 3
B
42 46anti-parallel
Strand 4
D
42 46anti-parallel
Strand 5
D
49 53anti-parallel
Strand 6
D
58 62anti-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
C
31 35first strand
Strand 2
C
22 28anti-parallel
Strand 3
C
94 100anti-parallel
Strand 4
C
82 88anti-parallel
Strand 5
C
68 74anti-parallel
Strand 6
C
128 132parallel
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There are 6 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
31 35first strand
Strand 2
D
22 28anti-parallel
Strand 3
D
94 100anti-parallel
Strand 4
D
81 88anti-parallel
Strand 5
D
68 75anti-parallel
Strand 6
D
128 132parallel
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