Analysis of interatomic Contacts of Structural Units in PDB entry:
1AN9


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 1AN9 entry

There are 2 chains in PDB entry 1AN9 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LEU 340
B
 MET 1LEU 340
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 25 helices in PDB entry 1AN9. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
10 23Right-handed alpha
Helix 2
2
A
40 42Right-handed 310
Helix 3
3
A
44 47Right-handed alpha
Helix 4
4
A
62 78Right-handed alpha
Helix 5
5
A
119 124Right-handed alpha
Helix 6
6
A
141 155Right-handed alpha
Helix 7
7
A
167 172Right-handed alpha
Helix 8
8
A
183 189Right-handed 310
Helix 9
9
A
219 221Right-handed 310
Helix 10
10
A
253 266Right-handed alpha
Helix 11
11
A
268 272Right-handed 310
Helix 12
12
A
315 336Right-handed alpha
Helix 13
13
B
10 23Right-handed alpha
Helix 14
14
B
40 42Right-handed 310
Helix 15
15
B
44 47Right-handed 310
Helix 16
16
B
62 78Right-handed 310
Helix 17
17
B
85 87Right-handed 310
Helix 18
18
B
106 109Right-handed 310
Helix 19
19
B
119 124Right-handed alpha
Helix 20
20
B
141 155Right-handed alpha
Helix 21
21
B
167 173Right-handed alpha
Helix 22
22
B
183 189Right-handed 310
Helix 23
23
B
253 266Right-handed alpha
Helix 24
24
B
268 272Right-handed 310
Helix 25
25
B
315 336Right-handed alpha
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There are 6 sheets in PDB entry 1AN9. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

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
290 296first strand
Strand 2
A
303 309anti-parallel
Strand 3
A
177 180parallel
Strand 4
A
2 6parallel
Strand 5
A
31 36parallel
Strand 6
A
158 161parallel
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There are 3 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
130 139first strand
Strand 2
A
89 98anti-parallel
Strand 3
A
213 217parallel
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There are 4 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
228 231first strand
Strand 2
A
236 239anti-parallel
Strand 3
A
195 206anti-parallel
Strand 4
A
274 286anti-parallel
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There are 6 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
290 296first strand
Strand 2
B
303 309anti-parallel
Strand 3
B
177 180parallel
Strand 4
B
2 6parallel
Strand 5
B
31 36parallel
Strand 6
B
158 161parallel
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There are 3 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
130 139first strand
Strand 2
B
89 98anti-parallel
Strand 3
B
213 217parallel
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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
228 232first strand
Strand 2
B
235 239anti-parallel
Strand 3
B
196 206anti-parallel
Strand 4
B
274 285anti-parallel
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