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


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 1XAA entry

There is 1 chain in PDB entry 1XAA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1ALA 345
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 1XAA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
12 30Right-handed alpha
Helix 2
2
A
42 49Right-handed 310
Helix 3
3
A
55 63Right-handed alpha
Helix 4
4
A
75 78Right-handed alpha
Helix 5
5
A
82 84Right-handed 310
Helix 6
6
A
86 96Right-handed alpha
Helix 7
7
A
113 115Right-handed 310
Helix 8
8
A
120 123Right-handed alpha
Helix 9
9
A
138 140Right-handed 310
Helix 10
10
A
159 175Right-handed alpha
Helix 11
11
A
190 205Right-handed alpha
Helix 12
12
A
216 225Right-handed alpha
Helix 13
13
A
227 229Right-handed 310
Helix 14
14
A
237 249Right-handed alpha
Helix 15
15
A
254 256Right-handed 310
Helix 16
16
A
277 279Right-handed 310
Helix 17
17
A
288 300Right-handed alpha
Helix 18
18
A
305 321Right-handed alpha
Helix 19
19
A
325 327Right-handed 310
Helix 20
20
A
333 343Right-handed alpha
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There is 1 sheet ( A) in PDB entry 1XAA.

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
35 38first strand
Strand 2
A
2 6parallel
Strand 3
A
66 69parallel
Strand 4
A
267 271parallel
Strand 5
A
258 263anti-parallel
Strand 6
A
99 107anti-parallel
Strand 7
A
127 133anti-parallel
Strand 8
A
232 235parallel
Strand 9
A
179 184parallel
Strand 10
A
210 215parallel
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