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


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 2HTA entry

There are 2 chains in PDB entry 2HTA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA -2ARG 294
B
 ALA -2ARG 294
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 14 helices in PDB entry 2HTA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
-2 8Right-handed alpha
Helix 2
2
A
43 45Right-handed 310
Helix 3
3
A
97 101Right-handed 310
Helix 4
4
A
124 131Right-handed alpha
Helix 5
5
A
171 174Right-handed 310
Helix 6
6
A
244 252Right-handed alpha
Helix 7
7
A
258 261Right-handed 310
Helix 8
8
B
-2 8Right-handed alpha
Helix 9
9
B
43 45Right-handed 310
Helix 10
10
B
97 101Right-handed 310
Helix 11
11
B
124 129Right-handed alpha
Helix 12
12
B
171 173Right-handed 310
Helix 13
13
B
244 252Right-handed alpha
Helix 14
14
B
258 261Right-handed 310
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There are 8 sheets in PDB entry 2HTA. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
12 13first strand
Strand 2
A
18 23anti-parallel
Strand 3
A
26 33anti-parallel
Strand 4
A
36 41anti-parallel
Strand 5
A
46 52anti-parallel
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There are 4 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
79 80first strand
Strand 2
A
157 163anti-parallel
Strand 3
A
263 277anti-parallel
Strand 4
A
166 168anti-parallel
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There are 7 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
79 80first strand
Strand 2
A
157 163anti-parallel
Strand 3
A
263 277anti-parallel
Strand 4
A
238 243anti-parallel
Strand 5
A
207 211anti-parallel
Strand 6
A
183 186anti-parallel
Strand 7
A
192 195anti-parallel
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There are 9 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
104 110first strand
Strand 2
A
115 122anti-parallel
Strand 3
A
136 143anti-parallel
Strand 4
A
147 154anti-parallel
Strand 5
A
283 293anti-parallel
Strand 6
A
227 234anti-parallel
Strand 7
A
217 222anti-parallel
Strand 8
A
176 178anti-parallel
Strand 9
A
201 202anti-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
B
12 13first strand
Strand 2
B
18 23anti-parallel
Strand 3
B
26 33anti-parallel
Strand 4
B
36 41anti-parallel
Strand 5
B
46 52anti-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
B
79 80first strand
Strand 2
B
157 163anti-parallel
Strand 3
B
263 277anti-parallel
Strand 4
B
166 168anti-parallel
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There are 7 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
79 80first strand
Strand 2
B
157 163anti-parallel
Strand 3
B
263 277anti-parallel
Strand 4
B
238 243anti-parallel
Strand 5
B
207 211anti-parallel
Strand 6
B
183 186anti-parallel
Strand 7
B
192 195anti-parallel
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There are 9 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
104 110first strand
Strand 2
B
115 122anti-parallel
Strand 3
B
136 143anti-parallel
Strand 4
B
147 154anti-parallel
Strand 5
B
283 293anti-parallel
Strand 6
B
227 234anti-parallel
Strand 7
B
217 222anti-parallel
Strand 8
B
175 178anti-parallel
Strand 9
B
201 202anti-parallel
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