Analysis of interatomic Contacts of Structural Units in PDB entry:
4D26


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 4D26 entry

There are 2 chains in PDB entry 4D26 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 134LYS 563
D
 U 1 U 6
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 21 helices in PDB entry 4D26. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
145 151Right-handed alpha
Helix 2
2
A
159 166Right-handed 310
Helix 3
3
A
181 185Right-handed 310
Helix 4
4
A
188 198Right-handed alpha
Helix 5
5
A
204 216Right-handed alpha
Helix 6
6
A
229 245Right-handed alpha
Helix 7
7
A
266 281Right-handed alpha
Helix 8
8
A
296 305Right-handed alpha
Helix 9
9
A
314 324Right-handed alpha
Helix 10
10
A
339 344Right-handed alpha
Helix 11
11
A
348 357Right-handed alpha
Helix 12
12
A
363 367Right-handed 310
Helix 13
13
A
377 385Right-handed alpha
Helix 14
14
A
417 428Right-handed alpha
Helix 15
15
A
440 454Right-handed alpha
Helix 16
16
A
466 480Right-handed alpha
Helix 17
17
A
489 492Right-handed 310
Helix 18
18
A
511 520Right-handed alpha
Helix 19
19
A
536 541Right-handed alpha
Helix 20
20
A
543 554Right-handed alpha
Helix 21
21
A
559 563Right-handed 310
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There are 3 sheets in PDB entry 4D26. Click on sheet of interest to get list of strands forming it: AA, AB, AC,

There are 8 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
168 171first strand
Strand 2
A
392 396anti-parallel
Strand 3
A
220 223parallel
Strand 4
A
368 373parallel
Strand 5
A
334 338parallel
Strand 6
A
260 263parallel
Strand 7
A
310 313parallel
Strand 8
A
288 291parallel
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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
251 252first strand
Strand 2
A
255 256anti-parallel
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There are 6 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
406 412first strand
Strand 2
A
529 535parallel
Strand 3
A
502 505parallel
Strand 4
A
434 437parallel
Strand 5
A
484 487parallel
Strand 6
A
458 461parallel
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