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


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 2AHB entry

There are 2 chains in PDB entry 2AHB (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LYS 334
B
 MET 1LYS 334
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 32 helices in PDB entry 2AHB. 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 alpha
Helix 2
2
A
39 48Right-handed alpha
Helix 3
3
A
60 77Right-handed alpha
Helix 4
4
A
79 83Right-handed 310
Helix 5
5
A
99 108Right-handed alpha
Helix 6
6
A
120 122Right-handed 310
Helix 7
7
A
123 138Right-handed alpha
Helix 8
8
A
153 156Right-handed 310
Helix 9
9
A
193 197Right-handed 310
Helix 10
10
A
204 210Right-handed alpha
Helix 11
11
A
222 246Right-handed alpha
Helix 12
12
A
248 252Right-handed 310
Helix 13
13
A
261 273Right-handed alpha
Helix 14
14
A
283 288Right-handed alpha
Helix 15
15
A
290 292Right-handed 310
Helix 16
16
A
293 305Right-handed alpha
Helix 17
17
B
29 33Right-handed alpha
Helix 18
18
B
39 48Right-handed alpha
Helix 19
19
B
60 76Right-handed alpha
Helix 20
20
B
79 83Right-handed 310
Helix 21
21
B
99 109Right-handed alpha
Helix 22
22
B
120 122Right-handed 310
Helix 23
23
B
123 139Right-handed alpha
Helix 24
24
B
153 156Right-handed 310
Helix 25
25
B
193 197Right-handed 310
Helix 26
26
B
204 210Right-handed alpha
Helix 27
27
B
222 245Right-handed alpha
Helix 28
28
B
248 252Right-handed 310
Helix 29
29
B
261 273Right-handed alpha
Helix 30
30
B
283 288Right-handed alpha
Helix 31
31
B
290 292Right-handed 310
Helix 32
32
B
293 305Right-handed alpha
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There are 7 sheets in PDB entry 2AHB. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G,

There are 10 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
13 21first strand
Strand 2
A
169 178anti-parallel
Strand 3
A
143 151anti-parallel
Strand 4
A
85 89parallel
Strand 5
A
114 119parallel
Strand 6
B
114 119anti-parallel
Strand 7
B
85 89parallel
Strand 8
B
143 151parallel
Strand 9
B
169 178anti-parallel
Strand 10
B
13 21anti-parallel
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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
25 28first strand
Strand 2
A
51 54anti-parallel
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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
A
188 191first strand
Strand 2
A
324 331anti-parallel
Strand 3
A
313 320anti-parallel
Strand 4
A
254 257parallel
Strand 5
A
279 280parallel
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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
A
199 201first strand
Strand 2
A
219 221anti-parallel
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There are 2 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
25 28first strand
Strand 2
B
51 54anti-parallel
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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
B
188 191first strand
Strand 2
B
324 331anti-parallel
Strand 3
B
313 320anti-parallel
Strand 4
B
254 257parallel
Strand 5
B
279 280parallel
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There are 2 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
199 201first strand
Strand 2
B
219 221anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il