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


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 4YCX entry

There are 4 chains in PDB entry 4YCX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TRP 137ALA 494
T
 C 1 G 10
P
 C 1 A 4
D
 G 1 G 4
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 19 helices in PDB entry 4YCX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
141 145Right-handed 310
Helix 2
AA2
A
153 170Right-handed alpha
Helix 3
AA3
A
172 189Right-handed alpha
Helix 4
AA4
A
195 200Right-handed 310
Helix 5
AA5
A
206 220Right-handed alpha
Helix 6
AA6
A
222 231Right-handed alpha
Helix 7
AA7
A
231 242Right-handed alpha
Helix 8
AA8
A
247 257Right-handed alpha
Helix 9
AA9
A
261 267Right-handed alpha
Helix 10
AB1
A
268 272Right-handed 310
Helix 11
AB2
A
273 282Right-handed alpha
Helix 12
AB3
A
282 287Right-handed alpha
Helix 13
AB4
A
292 310Right-handed alpha
Helix 14
AB5
A
318 323Right-handed alpha
Helix 15
AB6
A
346 357Right-handed alpha
Helix 16
AB7
A
426 436Right-handed alpha
Helix 17
AB8
A
437 453Right-handed alpha
Helix 18
AB9
A
474 482Right-handed alpha
Helix 19
AC1
A
488 492Right-handed 310
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There are 3 sheets in PDB entry 4YCX. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3,

There are 2 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
290 291first strand
Strand 2
A
327 328anti-parallel
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There are 5 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
314 317first strand
Strand 2
A
331 336anti-parallel
Strand 3
A
411 421parallel
Strand 4
A
386 396anti-parallel
Strand 5
A
360 366anti-parallel
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There are 3 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
455 456first strand
Strand 2
A
461 463anti-parallel
Strand 3
A
468 469anti-parallel
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