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


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 3HTN entry

There are 3 chains in PDB entry 3HTN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 43ARG 185
B
 ASN 43ARG 185
C
 ASN 43ARG 185
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 3 helices in PDB entry 3HTN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
63 76Right-handed alpha
Helix 2
2
B
63 75Right-handed alpha
Helix 3
3
C
63 76Right-handed alpha
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There are 9 sheets in PDB entry 3HTN. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

There are 5 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
45 50first strand
Strand 2
A
53 58anti-parallel
Strand 3
A
143 163anti-parallel
Strand 4
A
80 96anti-parallel
Strand 5
A
103 108anti-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
A
45 50first strand
Strand 2
A
53 58anti-parallel
Strand 3
A
143 163anti-parallel
Strand 4
A
127 137anti-parallel
Strand 5
A
112 124anti-parallel
Strand 6
A
80 96anti-parallel
Strand 7
A
103 108anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
169 173first strand
Strand 2
A
178 182anti-parallel
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There are 5 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
45 50first strand
Strand 2
B
53 58anti-parallel
Strand 3
B
143 163anti-parallel
Strand 4
B
80 94anti-parallel
Strand 5
B
105 108anti-parallel
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There are 7 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
45 50first strand
Strand 2
B
53 58anti-parallel
Strand 3
B
143 163anti-parallel
Strand 4
B
127 137anti-parallel
Strand 5
B
112 124anti-parallel
Strand 6
B
80 94anti-parallel
Strand 7
B
105 108anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
169 173first strand
Strand 2
B
178 182anti-parallel
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There are 5 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
45 50first strand
Strand 2
C
53 58anti-parallel
Strand 3
C
143 163anti-parallel
Strand 4
C
80 96anti-parallel
Strand 5
C
103 108anti-parallel
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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
45 50first strand
Strand 2
C
53 58anti-parallel
Strand 3
C
143 163anti-parallel
Strand 4
C
127 137anti-parallel
Strand 5
C
112 124anti-parallel
Strand 6
C
80 96anti-parallel
Strand 7
C
103 108anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
169 173first strand
Strand 2
C
178 182anti-parallel
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