Analysis of interatomic Contacts of Structural Units in PDB entry:
1AH8


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 1AH8 entry

There are 2 chains in PDB entry 1AH8 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 2GLU 216
B
 ALA 2ILE 219
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 20 helices in PDB entry 1AH8. 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 21Right-handed alpha
Helix 2
2
A
27 51Right-handed 310
Helix 3
3
A
53 58Right-handed 310
Helix 4
4
A
70 72Right-handed 310
Helix 5
5
A
86 94Right-handed alpha
Helix 6
6
A
98 109Right-handed alpha
Helix 7
7
A
114 120Right-handed 310
Helix 8
8
A
123 129Right-handed 310
Helix 9
9
A
182 185Right-handed 310
Helix 10
10
A
187 197Right-handed alpha
Helix 11
11
B
10 21Right-handed alpha
Helix 12
12
B
27 50Right-handed 310
Helix 13
13
B
53 58Right-handed 310
Helix 14
14
B
70 72Right-handed 310
Helix 15
15
B
86 94Right-handed alpha
Helix 16
16
B
98 109Right-handed alpha
Helix 17
17
B
114 120Right-handed 310
Helix 18
18
B
123 129Right-handed 310
Helix 19
19
B
182 185Right-handed 310
Helix 20
20
B
187 197Right-handed alpha
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There is 1 sheet ( A) in PDB entry 1AH8.

There are 16 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
3 7first strand
Strand 2
A
155 160anti-parallel
Strand 3
A
145 150anti-parallel
Strand 4
A
131 139anti-parallel
Strand 5
A
170 177anti-parallel
Strand 6
A
74 79anti-parallel
Strand 7
A
63 69anti-parallel
Strand 8
A
204 212parallel
Strand 9
B
204 212anti-parallel
Strand 10
B
63 69parallel
Strand 11
B
74 79anti-parallel
Strand 12
B
170 177anti-parallel
Strand 13
B
131 139anti-parallel
Strand 14
B
146 150anti-parallel
Strand 15
B
155 160anti-parallel
Strand 16
B
4 7anti-parallel
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