Analysis of interatomic Contacts of Structural Units in PDB entry:
2H3N


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 2H3N entry

There are 4 chains in PDB entry 2H3N (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 2ALA 100
B
 VAL 57PRO 172
C
 GLN 1GLY 99
D
 VAL 57ALA 173
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 9 helices in PDB entry 2H3N. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
29 33Right-handed 310
Helix 2
2
A
87 91Right-handed 310
Helix 3
3
B
85 90Right-handed alpha
Helix 4
4
B
145 152Right-handed alpha
Helix 5
5
C
29 33Right-handed 310
Helix 6
6
C
74 76Right-handed 310
Helix 7
7
C
87 91Right-handed 310
Helix 8
8
D
85 91Right-handed alpha
Helix 9
9
D
145 152Right-handed alpha
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There are 9 sheets in PDB entry 2H3N. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

There are 4 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 5first strand
Strand 2
A
18 24anti-parallel
Strand 3
A
78 83anti-parallel
Strand 4
A
68 73anti-parallel
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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
9 13first strand
Strand 2
B
65 70parallel
Strand 3
A
93 99anti-parallel
Strand 4
A
34 40anti-parallel
Strand 5
A
47 54anti-parallel
Strand 6
A
57 60anti-parallel
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There are 4 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
78 82first strand
Strand 2
B
94 103anti-parallel
Strand 3
B
136 144anti-parallel
Strand 4
B
123 125anti-parallel
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There are 4 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
78 82first strand
Strand 2
B
94 103anti-parallel
Strand 3
B
136 144anti-parallel
Strand 4
B
129 130anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
117 118first strand
Strand 2
B
109 114anti-parallel
Strand 3
B
155 161anti-parallel
Strand 4
B
164 170anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
4 5first strand
Strand 2
C
18 24anti-parallel
Strand 3
C
78 83anti-parallel
Strand 4
C
68 73anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
9 13first strand
Strand 2
D
65 70parallel
Strand 3
C
92 98anti-parallel
Strand 4
C
35 40anti-parallel
Strand 5
C
47 54anti-parallel
Strand 6
C
57 60anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
78 82first strand
Strand 2
D
94 103anti-parallel
Strand 3
D
136 144anti-parallel
Strand 4
D
129 130anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
117 118first strand
Strand 2
D
109 114anti-parallel
Strand 3
D
155 161anti-parallel
Strand 4
D
164 170anti-parallel
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