Analysis of interatomic Contacts of Structural Units in PDB entry:
1NN4


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 1NN4 entry

There are 4 chains in PDB entry 1NN4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS -12GLN 146
B
 HIS -11GLN 146
C
 HIS -12GLN 146
D
 HIS -11ARG 147
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 26 helices in PDB entry 1NN4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 26Right-handed alpha
Helix 2
2
A
42 56Right-handed alpha
Helix 3
3
A
69 78Right-handed alpha
Helix 4
4
A
89 101Right-handed alpha
Helix 5
5
A
113 127Right-handed alpha
Helix 6
6
A
136 145Right-handed alpha
Helix 7
7
B
12 26Right-handed alpha
Helix 8
8
B
42 56Right-handed alpha
Helix 9
9
B
69 78Right-handed alpha
Helix 10
10
B
89 101Right-handed alpha
Helix 11
11
B
113 127Right-handed alpha
Helix 12
12
B
131 133Right-handed 310
Helix 13
13
B
134 145Right-handed alpha
Helix 14
14
C
12 26Right-handed alpha
Helix 15
15
C
42 56Right-handed alpha
Helix 16
16
C
69 77Right-handed alpha
Helix 17
17
C
89 101Right-handed alpha
Helix 18
18
C
113 127Right-handed alpha
Helix 19
19
C
133 138Right-handed alpha
Helix 20
20
C
140 145Right-handed alpha
Helix 21
21
D
12 26Right-handed alpha
Helix 22
22
D
42 56Right-handed alpha
Helix 23
23
D
69 78Right-handed alpha
Helix 24
24
D
89 101Right-handed alpha
Helix 25
25
D
113 127Right-handed alpha
Helix 26
26
D
137 147Right-handed alpha
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There are 6 sheets in PDB entry 1NN4. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 2 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
-6 -4first strand
Strand 2
B
-6 -4anti-parallel
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There are 5 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
29 32first strand
Strand 2
A
3 8parallel
Strand 3
A
61 66parallel
Strand 4
A
104 108parallel
Strand 5
A
84 86parallel
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There are 5 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
29 32first strand
Strand 2
B
3 8parallel
Strand 3
B
61 66parallel
Strand 4
B
104 108parallel
Strand 5
B
84 86parallel
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There are 2 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
-6 -4first strand
Strand 2
D
-6 -4anti-parallel
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There are 5 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
29 32first strand
Strand 2
C
3 8parallel
Strand 3
C
61 66parallel
Strand 4
C
104 108parallel
Strand 5
C
84 86parallel
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There are 5 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
29 32first strand
Strand 2
D
3 8parallel
Strand 3
D
61 66parallel
Strand 4
D
104 108parallel
Strand 5
D
84 86parallel
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