Analysis of interatomic Contacts of Structural Units in PDB entry:
1PX2


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 1PX2 entry

There are 2 chains in PDB entry 1PX2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 112ALA 417
B
 ALA 113ALA 417
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 24 helices in PDB entry 1PX2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
125 131Right-handed alpha
Helix 2
2
A
136 138Right-handed 310
Helix 3
3
A
147 149Right-handed 310
Helix 4
4
A
198 208Right-handed alpha
Helix 5
5
A
215 222Right-handed alpha
Helix 6
6
A
224 244Right-handed alpha
Helix 7
7
A
254 258Right-handed 310
Helix 8
8
A
284 299Right-handed alpha
Helix 9
9
A
350 361Right-handed alpha
Helix 10
10
A
362 366Right-handed 310
Helix 11
11
A
395 397Right-handed 310
Helix 12
12
A
398 416Right-handed alpha
Helix 13
13
B
125 131Right-handed alpha
Helix 14
14
B
136 138Right-handed 310
Helix 15
15
B
147 149Right-handed 310
Helix 16
16
B
198 208Right-handed alpha
Helix 17
17
B
215 222Right-handed alpha
Helix 18
18
B
224 240Right-handed alpha
Helix 19
19
B
254 258Right-handed 310
Helix 20
20
B
284 299Right-handed alpha
Helix 21
21
B
350 361Right-handed alpha
Helix 22
22
B
362 366Right-handed 310
Helix 23
23
B
395 397Right-handed 310
Helix 24
24
B
398 416Right-handed alpha
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There are 6 sheets in PDB entry 1PX2. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 5 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
134 135first strand
Strand 2
A
139 146anti-parallel
Strand 3
A
114 119parallel
Strand 4
A
182 185parallel
Strand 5
A
212 213parallel
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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
172 178first strand
Strand 2
A
161 169anti-parallel
Strand 3
A
151 156anti-parallel
Strand 4
B
250 252anti-parallel
Strand 5
B
302 306anti-parallel
Strand 6
B
266 270anti-parallel
Strand 7
B
279 282anti-parallel
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There are 7 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
279 282first strand
Strand 2
A
266 270anti-parallel
Strand 3
A
302 306anti-parallel
Strand 4
A
250 252anti-parallel
Strand 5
B
151 156anti-parallel
Strand 6
B
161 169anti-parallel
Strand 7
B
172 178anti-parallel
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There are 5 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
345 347first strand
Strand 2
A
322 328anti-parallel
Strand 3
A
310 319anti-parallel
Strand 4
A
369 377anti-parallel
Strand 5
A
382 388anti-parallel
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There are 5 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
134 135first strand
Strand 2
B
139 146anti-parallel
Strand 3
B
114 119parallel
Strand 4
B
182 185parallel
Strand 5
B
212 213parallel
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There are 5 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
345 347first strand
Strand 2
B
322 328anti-parallel
Strand 3
B
310 319anti-parallel
Strand 4
B
369 377anti-parallel
Strand 5
B
382 388anti-parallel
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