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


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 1XAD entry

There is 1 chain in PDB entry 1XAD (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 17 helices in PDB entry 1XAD. 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
43 49Right-handed alpha
Helix 3
3
A
55 63Right-handed alpha
Helix 4
4
A
75 78Right-handed alpha
Helix 5
5
A
86 96Right-handed alpha
Helix 6
6
A
110 115Right-handed 310
Helix 7
7
A
120 123Right-handed alpha
Helix 8
8
A
159 174Right-handed alpha
Helix 9
9
A
190 206Right-handed alpha
Helix 10
10
A
216 225Right-handed alpha
Helix 11
11
A
227 229Right-handed 310
Helix 12
12
A
237 249Right-handed alpha
Helix 13
13
A
277 279Right-handed 310
Helix 14
14
A
288 300Right-handed alpha
Helix 15
15
A
305 321Right-handed alpha
Helix 16
16
A
325 327Right-handed 310
Helix 17
17
A
333 343Right-handed alpha
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There are 2 sheets in PDB entry 1XAD. Click on sheet of interest to get list of strands forming it: A, B,

There are 3 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
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There are 7 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
210 215first strand
Strand 2
A
179 184parallel
Strand 3
A
232 235parallel
Strand 4
A
127 133parallel
Strand 5
A
99 107anti-parallel
Strand 6
A
257 263anti-parallel
Strand 7
A
268 272anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il