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


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 2AHO entry

There are 2 chains in PDB entry 2AHO (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2ILE 415
B
 MET 1VAL 264
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 19 helices in PDB entry 2AHO. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
21 31Right-handed alpha
Helix 2
2
A
97 99Right-handed 310
Helix 3
3
A
100 109Right-handed alpha
Helix 4
4
A
126 140Right-handed alpha
Helix 5
5
A
150 154Right-handed 310
Helix 6
6
A
157 170Right-handed alpha
Helix 7
7
A
190 202Right-handed alpha
Helix 8
8
A
229 233Right-handed 310
Helix 9
9
B
42 46Right-handed 310
Helix 10
10
B
53 58Right-handed alpha
Helix 11
11
B
88 114Right-handed alpha
Helix 12
12
B
117 124Right-handed alpha
Helix 13
13
B
125 130Right-handed alpha
Helix 14
14
B
135 146Right-handed alpha
Helix 15
15
B
148 153Right-handed alpha
Helix 16
16
B
160 175Right-handed alpha
Helix 17
17
B
191 204Right-handed alpha
Helix 18
18
B
235 237Right-handed 310
Helix 19
19
B
238 255Right-handed alpha
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There are 7 sheets in PDB entry 2AHO. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G,

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
68 69first strand
Strand 2
A
50 58anti-parallel
Strand 3
A
84 93anti-parallel
Strand 4
A
10 14parallel
Strand 5
A
113 118parallel
Strand 6
A
144 148parallel
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There are 8 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
284 286first strand
Strand 2
A
269 281anti-parallel
Strand 3
A
295 299anti-parallel
Strand 4
A
237 244anti-parallel
Strand 5
A
214 221anti-parallel
Strand 6
A
315 318anti-parallel
Strand 7
A
252 260anti-parallel
Strand 8
A
269 281anti-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
247 248first strand
Strand 2
A
288 289anti-parallel
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There are 7 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
325 335first strand
Strand 2
A
377 387anti-parallel
Strand 3
A
364 374anti-parallel
Strand 4
A
356 361anti-parallel
Strand 5
A
394 399anti-parallel
Strand 6
A
406 414anti-parallel
Strand 7
A
325 335anti-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
37 41first strand
Strand 2
B
26 31anti-parallel
Strand 3
B
16 23anti-parallel
Strand 4
B
63 65anti-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
67 72first strand
Strand 2
B
77 81anti-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
217 221first strand
Strand 2
B
226 233anti-parallel
Strand 3
B
177 186anti-parallel
Strand 4
B
260 263anti-parallel
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