Analysis of interatomic Contacts of Structural Units in PDB entry:
2A5T


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 2A5T entry

There are 2 chains in PDB entry 2A5T (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 4TYR 287
B
 ASN 7CYS 284
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 22 helices in PDB entry 2A5T. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
65 78Right-handed alpha
Helix 2
2
A
107 115Right-handed alpha
Helix 3
3
A
128 133Right-handed alpha
Helix 4
4
A
161 166Right-handed alpha
Helix 5
5
A
179 188Right-handed alpha
Helix 6
6
A
191 199Right-handed alpha
Helix 7
7
A
205 215Right-handed alpha
Helix 8
8
A
225 235Right-handed alpha
Helix 9
9
A
260 274Right-handed alpha
Helix 10
10
A
275 285Right-handed alpha
Helix 11
11
B
61 75Right-handed alpha
Helix 12
12
B
97 105Right-handed alpha
Helix 13
13
B
118 123Right-handed alpha
Helix 14
14
B
151 156Right-handed alpha
Helix 15
15
B
157 160Right-handed 310
Helix 16
16
B
172 182Right-handed alpha
Helix 17
17
B
182 190Right-handed alpha
Helix 18
18
B
191 193Right-handed 310
Helix 19
19
B
196 206Right-handed alpha
Helix 20
20
B
216 225Right-handed alpha
Helix 21
21
B
255 269Right-handed alpha
Helix 22
22
B
270 280Right-handed alpha
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There are 8 sheets in PDB entry 2A5T. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

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
18 21first strand
Strand 2
A
59 64anti-parallel
Strand 3
A
42 46anti-parallel
Strand 4
A
82 86parallel
Strand 5
A
6 10parallel
Strand 6
A
120 121parallel
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There are 2 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
95 96first strand
Strand 2
A
105 106anti-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
135 137first strand
Strand 2
A
253 255anti-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
A
173 174first strand
Strand 2
A
220 224parallel
Strand 3
A
142 151anti-parallel
Strand 4
A
238 250anti-parallel
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There are 8 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
21 24first strand
Strand 2
B
52 60anti-parallel
Strand 3
B
37 44anti-parallel
Strand 4
B
77 82parallel
Strand 5
B
8 13parallel
Strand 6
B
110 111parallel
Strand 7
B
248 250anti-parallel
Strand 8
B
125 127anti-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
91 92first strand
Strand 2
B
95 96anti-parallel
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There are 4 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
166 167first strand
Strand 2
B
211 215parallel
Strand 3
B
132 141anti-parallel
Strand 4
B
231 233anti-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
B
166 167first strand
Strand 2
B
211 215parallel
Strand 3
B
132 141anti-parallel
Strand 4
B
240 245anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il